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From B. Lee Clay

Squaring Numbers Squaring a 2-digit number beginning with 1 Squaring a 2-digit number beginning with 5 Squaring a 2-digit number beginning with 9 Squaring a 2-digit number ending in 1 Squaring a 2-digit number ending in 2 Squaring a 2-digit number ending in 3 Squaring a 2-digit number ending in 4 Squaring a 2-digit number ending in 5 Squaring a 2-digit number ending in 6 Squaring a 2-digit number ending in 7 Squaring a 2-digit number ending in 8 Squaring a 2-digit number ending in 9 Squaring numbers made up of ones Squaring numbers made up of threes Squaring numbers made up of sixes Squaring numbers made up of nines Squaring numbers in the twenties Squaring numbers in the thirties Squaring numbers in the forties Squaring numbers in the fifties Squaring numbers in the sixties Squaring numbers in the seventies Squaring numbers in the eighties Squaring numbers in the hundreds Squaring numbers in the two hundreds Squaring numbers in the three hundreds Squaring numbers in the four hundreds Squaring numbers in the five hundreds Squaring numbers in the six hundreds Squaring numbers in the seven hundreds Squaring numbers between 800 and 810 Squaring numbers in the nine hundreds Squaring numbers between 1000 and 1100 Squaring numbers between 2000 and 2099 Squaring numbers between 3000 and 3099 Squaring numbers between 4000 and 4099 Squaring numbers between 5000 and 5099 Squaring numbers between 6000 and 6099 Squaring numbers between 7000 and 7099 Squaring special numbers (3's and final 1) Squaring special numbers (3's and final 2) Squaring special numbers (3's and final 4) Squaring special numbers (3's and final 5) Squaring special numbers (3's and final 6) Squaring special numbers (3's and final 7) Squaring special numbers (3's and final 8) Squaring special numbers (3's and final 9) Squaring special numbers (6's and final 1) Squaring special numbers (6's and final 2) Squaring special numbers (6's and final 3) Squaring special numbers (6's and final 4) Squaring special numbers (6's and final 5) Squaring special numbers (6's and final 7) Squaring special numbers (6's and final 8) Squaring special numbers (6's and final 9) Squaring special numbers (9's and final 1) Squaring special numbers (9's and final 2) Squaring special numbers (9's and final 3) Squaring special numbers (9's and final 4) Squaring special numbers (9's and final 5) Squaring special numbers (9's and final 6) Squaring special numbers (9's and final 7) Squaring special numbers (9's and final 8) Squaring special numbers (1 and repeating 3's) Squaring special numbers (1 and repeating 6's) Squaring special numbers (1 and repeating 9's) Squaring special numbers (2 and repeating 3's) Squaring special numbers (2 and repeating 6's) Squaring special numbers (2 and repeating 9's) Squaring special numbers (3 and repeating 6's) Squaring special numbers (3 and repeating 9's) Squaring special numbers (4 and repeating 3's) Squaring special numbers (4 and repeating 6's) Squaring special numbers (4 and repeating 9's) Squaring special numbers (5 and repeating 3's) Squaring special numbers (5 and repeating 6's) Squaring special numbers (5 and repeating 9's) Squaring special numbers (6 and repeating 3's) Squaring special numbers (6 and repeating 9's) Squaring special numbers (7 and repeating 3's) Squaring special numbers (7 and repeating 6's) Squaring special numbers (7 and repeating 9's) Squaring special numbers (8 and repeating 3's) Squaring special numbers (8 and repeating 9's) Squaring special numbers (9 and repeating 3's) Squaring special numbers (9 and repeating 6's) Squaring a repeating 6-digit number Squaring 2 rep. numbers, dividing by square of single digit   Multiplying Numbers Multiplying two selected 2-digit numbers (same 1st digit) [1] Multiplying two selected 2-digit numbers (same 1st digit) [2] Multiplying two selected 2-digit numbers (same 2nd digit) Multiplying two selected 3-digit numbers (middle digit 0) Multiplying two selected 3-digit numbers (middle digit 1) Multiplying two selected 3-digit numbers (middle digit 2) Multiplying two selected 3-digit numbers (middle digit 3) Multiplying two selected 3-digit numbers (middle digit 4) Multiplying two selected 3-digit numbers (middle digit 5) Multiplying two 2-digit numbers with a difference of 1 Multiplying two 2-digit numbers with a difference of 2 Multiplying two 2-digit numbers with a difference of 3 Multiplying two 2-digit numbers with a difference of 4 Multiplying two 2-digit numbers with a difference of 6 Multiplying two 2-digit numbers with a difference of 8 Multiplying two 2-digit numbers with a difference of 10 Multiplying a 2-digit number by 1 1/25 Multiplying a 2-digit number by 1 1/16 Multiplying a 2-digit number by 1 1/15 Multiplying a 2-digit number by 1.1 Multiplying a 2-digit number by 1 1/9 Multiplying a 2-digit number by 1 1/8 Multiplying a 2-digit number by 1 1/7 Multiplying a 2-digit number by 1 1/6 Multiplying a 2-digit number by 1 1/5 Multiplying a 2-digit number by 1 2/9 Multiplying a 2-digit number by 1 1/4 Multiplying a 2-digit number by 1 2/7 Multiplying a 2-digit number by 1.3 Multiplying a 2-digit number by 1 1/3 Multiplying a 2-digit number by 1 3/8 Multiplying a 2-digit number by 1 2/5 Multiplying a 2-digit number by 1 3/7 Multiplying a 2-digit number by 1 1/2 Multiplying a 2-digit number by 1 4/7 Multiplying a 2-digit number by 1 3/5 Multiplying a 2-digit number by 1.6 Multiplying a 2- or 3-digit number by 1 2/3 Multiplying a 2-digit number by 1.7 Multiplying a 2-digit number by 1 5/7 Multiplying a 2-digit number by 1 3/4 Multiplying a 2-digit number by 1 4/5 Multiplying a 2-digit number by 1 5/6 Multiplying a 2-digit number by 1 6/7 Multiplying a 2-digit number by 1.9 Multiplying a 2-digit number by 2.1 Multiplying a 2-digit number by 2 1/9 Multiplying a 2-digit number by 2 1/7 Multiplying a 2-digit number by 2 1/5 Multiplying a 2-digit number by 2 2/9 Multiplying a 2-digit number by 2 1/4 Multiplying a 2-digit number by 2.3 Multiplying a 2-digit number by 2 1/3 Multiplying a 2-digit number by 2 3/8 Multiplying a 2-digit number by 2.4 Multiplying a 2-digit number by 2 2/5 Multiplying a 2-digit number by 2 4/9 Multiplying a 2- or 3-digit number by 2 1/2 Multiplying a 2-digit number by 2 4/7 Multiplying a 2-digit number by 2.6 Multiplying a 2-digit number by 2 5/8 Multiplying a 2-digit number by 2 2/3 Multiplying a 2-digit number by 2.7 Multiplying a 2-digit number by 2 5/7 Multiplying a 2-digit number by 2 3/4 Multiplying a 2-digit number by 2 7/9 Multiplying a 2-digit number by 2.8 Multiplying a 2-digit number by 2 6/7 Multiplying a 2-digit number by 2.9 Multiplying a 2-digit number by 3.1 Multiplying a 2-digit number by 3 1/8 Multiplying a 2-digit number by 3 1/7 Multiplying a 2-digit number by 3 1/6 Multiplying a 2-digit number by 3.2 Multiplying a 2-digit number by 3 2/9 Multiplying a 2-digit number by 3 1/4 Multiplying a 2-digit number by 3 1/3 Multiplying a 2-digit number by 3.4 Multiplying a 2-digit number by 3 3/7 Multiplying a 2-digit number by 3 4/9 Multiplying a 2-digit number by 3 1/2 Multiplying a 2-digit number by 3.6 Multiplying a 2-digit number by 3 4/7 Multiplying a 2-digit number by 3 5/8 Multiplying a 2-digit number by 3 2/3 Multiplying a 2-digit number by 3.7 Multiplying a 2-digit number by 3 5/7 Multiplying a 2-digit number by 3 3/4 Multiplying a 2-digit number by 3 4/5 Multiplying a 2-digit number by 3 6/7 Multiplying a 2-digit number by 3 7/8 Multiplying a 2-digit number by 3.9 Multiplying a 2-digit number by 4.1 Multiplying a 2-digit number by 4 1/4 Multiplying a 2-digit number by 4 1/7 Multiplying a 2-digit number by 4 1/6 Multiplying a 2-digit number by 4 1/5 Multiplying a 2-digit number by 4 2/7 Multiplying a 2-digit number by 4 1/3 Multiplying a 2-digit number by 4.3 Multiplying a 2-digit number by 4.4 Multiplying a 2-digit number by 4 3/7 Multiplying a 2-digit number by 4 4/9 Multiplying a 2-digit number by 4 1/2 Multiplying a 2-digit number by 4 5/9 Multiplying a 2-digit number by 4.6 Multiplying a 2-digit number by 4 2/3 Multiplying a 2-digit number by 4.7 Multiplying a 2-digit number by 4 3/4 Multiplying a 2-digit number by 4 4/5 Multiplying a 2-digit number by 4 5/6 Multiplying a 2-digit number by 4 7/8 Multiplying a 2-digit number by 4.9 Multiplying a 2-digit number by 5.1 Multiplying a 2-digit number by 5 1/8 Multiplying a 2-digit number by 5 1/6 Multiplying a 2-digit number by 5.2 Multiplying a 2-digit number by 5 1/4 Multiplying a 2-digit number by 5.3 Multiplying a 2-digit number by 5 4/9 Multiplying a 2-digit number by 5 1/2 Multiplying a 2-digit number by 5 5/9 Multiplying a 2-digit number by 5.6 Multiplying a 2-digit number by 5.7 Multiplying a 2-digit number by 5 4/7 Multiplying a 2-digit number by 5 5/7 Multiplying a 2-digit number by 5 4/5 Multiplying a 2-digit number by 5 6/7 Multiplying a 2-digit number by 5.9 Multiplying a 2-digit number by 6.1 Multiplying a 2-digit number by 6 1/8 Multiplying a 2-digit number by 6 1/5 Multiplying a 2-digit number by 6 1/4 Multiplying a 2-digit number by 6.3 Multiplying a 2-digit number by 6 1/3 Multiplying a 2-digit number by 6 3/8 Multiplying a 2-digit number by 6.4 Multiplying a 2-digit number by 6 4/9 Multiplying a 2-digit number by 6 1/2 Multiplying a 2-digit number by 6 5/9 Multiplying a 2-digit number by 6.6 Multiplying a 2-digit number by 6 2/3 Multiplying a 2-digit number by 6 7/9 Multiplying a 2-digit number by 6.8 Multiplying a 2-digit number by 6 5/6 Multiplying a 2-digit number by 6 6/7 Multiplying a 2-digit number by 6 8/9 Multiplying a 2-digit number by 6.9 Multiplying a 2-digit number by 7.1 Multiplying a 2-digit number by 7 1/7 Multiplying a 2-digit number by 7.2 Multiplying a 2-digit number by 7 1/4 Multiplying a 2-digit number by 7.3 Multiplying a 2-digit number by 7 2/7 Multiplying a 2-digit number by 7.4 Multiplying a 2-digit number by 7 1/2 Multiplying a 2-digit number by 7 3/5 Multiplying a 2-digit number by 7.6 Multiplying a 2-digit number by 7.7 Multiplying a 2-digit number by 7 3/4 Multiplying a 2-digit number by 7 4/5 Multiplying a 2-digit number by 8.1 Multiplying a 2-digit number by 8 1/6 Multiplying a 2-digit number by 8.2 Multiplying a 2-digit number by 8 2/7 Multiplying a 2-digit number by 8.3 Multiplying a 2-digit number by 8 1/3 Multiplying a 2-digit number by 8 3/7 Multiplying a 2-digit number by 8 4/7 Multiplying a 2-digit number by 8 1/2 Multiplying a 2-digit number by 8.6 Multiplying a 2-digit number by 8 5/8 Multiplying a 2-digit number by 8 2/3 Multiplying a 2-digit number by 8 5/7 Multiplying a 2-digit number by 8 7/9 Multiplying a 2-digit number by 8.8 Multiplying a 2-digit number by 8 7/8 Multiplying a 2-digit number by 8 8/9 Multiplying a 2-digit number by 8.9 Multiplying a 2-digit number by 9.1 Multiplying a 2-digit number by 9.2 Multiplying a 2-digit number by 9.3 Multiplying a 2-digit number by 9 1/3 Multiplying a 2-digit number by 9.4 Multiplying a 2-digit number by 9 1/2 (four steps) Multiplying a 2-digit number by 9 1/2 (two steps) Multiplying a 2-digit number by 9.6 Multiplying a 2-digit number by 9 2/3 Multiplying a 2-digit number by 9 5/7 Multiplying a 2-digit number by 9.7 Multiplying a 2-digit number by 9 3/4 Multiplying a 2-digit number by 9 7/9 Multiplying a 2-digit number by 9 4/5 Multiplying a 2-digit number by 9 5/6 Multiplying a 2-digit number by 9 6/7 Multiplying a 2-digit number by 9 7/8 Multiplying a 2-digit number by 9 8/9 Multiplying a 2-digit number by 10.1 Multiplying a 2-digit number by 10.4 Multiplying a 2-digit number by 10.6 Multiplying a 2-digit number by 10.7 Multiplying a 2-digit number by 10 1/2 Multiplying a 2-digit number by 11 1/2 Multiplying a 2-digit number by 12 1/2 Multiplying a 2-digit number by 15 Multiplying a 2- or 3-digit number by 16 2/3 Multiplying a 2-digit number by 18 Multiplying a 2-digit number by 19 1/2 Multiplying a 2-digit number by 20 1/2 Multiplying a 2-digit number by 21 Multiplying a 2-digit number by 22 Multiplying a 2-digit number by 23 Multiplying a 2-digit number by 24 Multiplying a 2- or 3-digit number by 25 Multiplying a 2-digit number by 26 Multiplying a 2-digit number by 27 Multiplying a 2-digit number by 28 Multiplying a 2-digit number by 29 Multiplying a 2-digit number by 29 ½ Multiplying a 2-digit number by 30 ½ Multiplying a 2-digit number by 31 Multiplying a 2-digit number by 32 Multiplying a 2-digit number by 33 Multiplying a 2-digit number by 33 1/3 Multiplying a 2-digit number by 34 Multiplying a 2-digit number by 35 Multiplying a 2-digit number by 36 Multiplying a 2-digit number by 37 Multiplying a 2-digit number by 37 1/2 Multiplying a 2-digit number by 38 Multiplying a 2-digit number by 39 Multiplying a 2-digit number by 39 1/2 Multiplying a 2-digit number by 40 1/2 Multiplying a 2-digit number by 42 Multiplying a 2-digit number by 43 Multiplying a 2-digit number by 44 Multiplying a 2-digit number by 45 Multiplying a 2-digit number by 46 Multiplying a 2-digit number by 47 Multiplying a 2-digit number by 48 Multiplying a 2-digit number by 49 (a) Multiplying a 2-digit number by 49 (b) Multiplying a 2-digit number by 49 1/2 Multiplying a 2-digit number by 50 1/2 Multiplying a 2-digit number by 51 Multiplying a 2-digit number by 52 Multiplying a 2-digit number by 53 Multiplying a 2-digit number by 54 Multiplying a 2-digit number by 55 (a) Multiplying a 2-digit number by 55 (b) Multiplying a 2-digit number by 56 Multiplying a 2-digit number by 57 Multiplying a 2-digit number by 58 Multiplying a 2-digit number by 59 Multiplying a 2-digit number by 59 1/2 Multiplying a 2-digit number by 60 1/2 Multiplying a 2-digit number by 61 Multiplying a 2-digit number by 62 Multiplying a 2-digit number by 63 Multiplying a 2-digit number by 64 Multiplying a 2-digit number by 65 Multiplying a 2-digit number by 66 Multiplying a 2-digit number by 67 Multiplying a 2-digit number by 68 Multiplying a 2-digit number by 69 Multiplying a 2-digit number by 69 1/2 Multiplying a 2-digit number by 70 1/2 Multiplying a 2-digit number by 71 Multiplying a 2-digit number by 72 Multiplying a 2-digit number by 73 Multiplying a 2- or 3-digit number by 75 Multiplying a 2-digit number by 76 Multiplying a 2-digit number by 77 Multiplying a 2-digit number by 78 Multiplying a 2-digit number by 79 Multiplying a 2-digit number by 79 1/2 Multiplying a 2-digit number by 80 1/2 Multiplying a 2-digit number by 81 Multiplying a 2-digit number by 82 Multiplying a 2-digit number by 83 Multiplying a 2-digit number by 84 Multiplying a 2-digit number by 85 Multiplying a 2-digit number by 86 Multiplying a 2-digit number by 87 Multiplying a 2-digit number by 88 Multiplying a 2-digit number by 89 Multiplying a 2-digit number by 89 1/2 Multiplying a 2-digit number by 90 1/2 Multiplying a 2-digit number by 91 Multiplying a 2-digit number by 92 Multiplying a 2-digit number by 93 Multiplying a 2-digit number by 94 Multiplying a 2-digit number by 95 Multiplying a 2-digit number by 97 Multiplying a 2-digit number by 98 Multiplying a 2-digit number by 99 Multiplying a 3-digit number by 99 Multiplying a 2- or 3-digit number by 101 Multiplying a 2-digit number by 102 and adding 11 Multiplying a 2-digit number by 103 and adding 12 Multiplying a 2-digit number by 125 Multiplying a 3-digit number by 143 Multiplying a 2-digit number by 166 2/3 Multiplying a 2-digit number by 198 Multiplying a 2-digit number by 201 and adding 11 Multiplying a 2-digit number by 202 and adding 11 Multiplying a 2-digit number by 250 Multiplying a 2-digit number by 297 Multiplying a 2-digit number by 375 Multiplying a 2-digit number by 396 Multiplying a 2-digit number by 495 Multiplying a 2-digit number by 594 Multiplying a 2-digit number by 625 Multiplying a 2-digit number by 693 Multiplying a 2-digit number by 792 Multiplying a 2-digit number by 875 Multiplying a 2-digit number by 891 Multiplying a 2-digit number by 999 Multiplying a 2- or 3-digit number by 1001 and adding 21 (or 201) Multiplying a 2-, 3-, or 4-digit number by 10001 and adding 21, 201, or 2001 Multiplying a 2-, 3-, 4-, or 5-digit number by 100001 Multiplying repeating 1's by repeating 9's Multiplying repeating 1's by 12 Multiplying repeating 1's by 13 Multiplying repeating 1's by 14 Multiplying repeating 1's by 15 Multiplying repeating 1's by 16 Multiplying repeating 1's by 17 Multiplying repeating 1's by 18 Multiplying repeating 1's by 19 Multiplying repeating 1's by 21 Multiplying repeating 1's by 22 Multiplying repeating 1's by 23 Multiplying repeating 1's by 24 Multiplying repeating 1's by 25 Multiplying repeating 1's by 26 Multiplying repeating 1's by 27 Multiplying repeating 1's by 29 Multiplying repeating 1's by 33 Multiplying repeating 1's by 41 Multiplying repeating 1's by 44 Multiplying repeating 1's by 45 Multiplying repeating 1's by 55 Multiplying repeating 1's by 66 Multiplying repeating 1's by 77 Multiplying repeating 1's by 88 Multiplying repeating 1's by 99 Multiplying repeating 1's by 222 Multiplying repeating 1's by 333 Multiplying repeating 2's by repeating 5's Multiplying repeating 2's by repeating 9's Multiplying repeating 2's by 12 Multiplying repeating 2's by 13 Multiplying repeating 2's by 14 Multiplying repeating 2's by 15 Multiplying repeating 2's by 16 Multiplying repeating 2's by 17 Multiplying repeating 2's by 22 Multiplying repeating 2's by 24 Multiplying repeating 2's by 28 Multiplying repeating 2's by 29 Multiplying repeating 2's by 33 Multiplying repeating 2's by 44 Multiplying repeating 2's by 45 Multiplying repeating 2's by 55 Multiplying repeating 2's by 66 Multiplying repeating 2's by 77 Multiplying repeating 2's by 88 Multiplying repeating 2's by 99 Multiplying repeating 3's by repeating 6's Multiplying repeating 3's by repeating 9's Multiplying repeating 3's by 13 Multiplying repeating 3's by 14 Multiplying repeating 3's by 15 Multiplying repeating 3's by 22 Multiplying repeating 3's by 23 Multiplying repeating 3's by 24 Multiplying repeating 3's by 35 Multiplying repeating 3's by 55 Multiplying repeating 3's by 66 Multiplying repeating 3's by 77 Multiplying repeating 3's by 88 Multiplying repeating 3's by 99 Multiplying repeating 4's by 13 Multiplying repeating 4's by 14 Multiplying repeating 4's by 15 Multiplying repeating 4's by 17 Multiplying repeating 4's by 22 Multiplying repeating 4's by 24 Multiplying repeating 4's by 28 Multiplying repeating 4's by 31 Multiplying repeating 4's by 36 Multiplying repeating 4's by 42 Multiplying repeating 4's by 44 Multiplying repeating 4's by 55 Multiplying repeating 4's by 66 Multiplying repeating 4's by 88 Multiplying repeating 4's by repeating 3's Multiplying repeating 4's by repeating 5's Multiplying repeating 4's by repeating 9's Multiplying repeating 5's by 15 Multiplying repeating 5's by 25 Multiplying repeating 5's by 28 Multiplying repeating 5's by 33 Multiplying repeating 5's by 45 Multiplying repeating 5's by 55 Multiplying repeating 5's by 66 Multiplying repeating 5's by 77 Multiplying repeating 5's by 88 Multiplying repeating 5's by 99 Multiplying repeating 5's by repeating 9's Multiplying repeating 6's by repeating 9's Multiplying repeating 6's by 12 Multiplying repeating 6's by 15 Multiplying repeating 6's by 16 Multiplying repeating 6's by 22 Multiplying repeating 6's by 31 Multiplying repeating 6's by 32 Multiplying repeating 6's by 33 Multiplying repeating 6's by 43 Multiplying repeating 6's by 55 Multiplying repeating 6's by 66 Multiplying repeating 6's by 77 Multiplying repeating 6's by 88 Multiplying repeating 6's by 444 Multiplying repeating 6's by 888 Multiplying repeating 7's by repeating 9's Multiplying repeating 7's by 15 Multiplying repeating 7's by 17 Multiplying repeating 7's by 32 Multiplying repeating 7's by 33 Multiplying repeating 7's by 42 Multiplying repeating 7's by 44 Multiplying repeating 7's by 55 Multiplying repeating 7's by 66 Multiplying repeating 7's by 77 Multiplying repeating 7's by 88 Multiplying repeating 7's by 99 Multiplying repeating 8's by repeating 9's Multiplying repeating 8's by 15 Multiplying repeating 8's by 22 Multiplying repeating 8's by 23 Multiplying repeating 8's by 24 Multiplying repeating 8's by 29 Multiplying repeating 8's by 36 Multiplying repeating 8's by 44 Multiplying repeating 8's by 55 Multiplying repeating 8's by 66 Multiplying repeating 8's by 88 Multiplying repeating 9's by 14 Multiplying repeating 9's by 22 Multiplying repeating 9's by 25 Multiplying repeating 9's by 27 Multiplying repeating 9's by 33 Multiplying repeating 9's by 44 Multiplying repeating 9's by 55 Multiplying repeating 9's by 77 Multiplying repeating 9's by 88 Multiplying repeating 9's by 99 Multiplying a repeating 3-digit number by 2, then dividing it by 37 Multiplying a repeating 3-digit number by 5, then dividing it by 37 Multiplying a repeating 9-digit number by 3, then dividing it by 12345679 Multiplying a multi-digit number by 8 and adding the last digit Multiplying a number sequence by 8, adding a number, and subtracting 20 Multiply integer + 1/2 times the number +1 Multiplying the sum and the difference of a 2-digit and a 1-digit number Multiplying two mixed numbers Multiplying two mixed numbers with fractions adding to 1 Multiplying a 4-digit number by 99 Multiplying a 4-digit number by 137 and 73; subtracting 1200 Multiplying a 5-digit number by 9091 and 11; subtracting 1200   Dividing Numbers Dividing a number by 0.125 Dividing a 2-digit number by 1 1/9 Dividing a 2-digit number by 1 1/8 Dividing a 2-digit number by 1 1/7 Dividing a 2-digit number by 1 1/6 Dividing a 2-digit number by 1 1/5 Dividing a 2-digit number by 1 1/4 Dividing a 2-digit number by 1 2/7 Dividing a 2-digit number by 1 1/3 Dividing a 2-digit number by 1 2/5 Dividing a 2-digit number by 1 3/7 Dividing a 2-digit number by 1 1/2 Dividing a 2-digit number by 1 3/5 Dividing a 2-digit number by 1 2/3 Dividing a 2-digit number by 1 3/4 Dividing a 2-digit number by 1 4/5 Dividing a 2-digit number by 2 2/9 Dividing a 2-digit number by 2 1/4 Dividing a 2-digit number by 2 1/3 Dividing a 2- or 3-digit number by 2 1/2 Dividing a 2-digit number by 2 2/3 Dividing a 2-digit number by 2 6/7 Dividing a 2-digit number by 3 1/8 Dividing a 2- or 3-digit number by 3 1/3 Dividing a 2-digit number by 3 1/2 Dividing a 2-digit number by 3 4/7 Dividing a 2-digit number by 4 1/6 Dividing a 2-digit number by 4 2/7 Dividing a 2-digit number by 4 4/9 Dividing a 2-digit number by 4 1/2 Dividing a 2-digit number by 5 Dividing a 2-digit number by 5 5/7 Dividing a 2-digit number by 6 1/4 Dividing a 2-digit number by 6 2/3 Dividing a 2-digit number by 7 1/7 Dividing a 2-digit number by 7 2/7 Dividing a 2-digit number by 7 1/2 Dividing a 2-digit number by 8 1/3 Dividing a 2-digit number by 8 4/7 Dividing a 2-digit number by 12 1/2 Dividing a 2-digit number by 15 Dividing a 2- or 3-digit number by 16 2/3 Dividing a 2- or 3-digit number by 25 Dividing a 2- or 3-digit number by 33 1/3 Dividing a 2- or 3-digit number by 35 Dividing a 2-digit number by 37 1/2 Dividing a 2-digit number by 40 Dividing a 2-digit number by 45 Dividing a 2-digit number by 50 Dividing a 2-digit number by 62 1/2 Dividing a 2- or 3-digit number by 66 2/3 Dividing a 2- or 3-digit number by 75 Dividing a 2-digit number by 83 1/3 Dividing a 2-digit number by 87 1/2 Dividing a 2-digit number by 125 Dividing a 2-digit number by 166 2/3 Dividing a 2-digit number by 250 Dividing a 2- or 3-digit number by 333 1/3 Dividing a 2-digit number by 375 Dividing a 2-digit number by 625 Dividing a 2-digit number by 875 Dividing a repeating 3-digit number by 37 and adding 41 Dividing a repeating 6-digit number by 15873 Dividing a repeating 6-digit number by 7, then by 13 Dividing a repeating 6-digit number by 13, then by 11 Dividing a repeating 6-digit number by 7, 11, and 13, then subtracting 101 Dividing a repeating 6-digit number by 37037, then multiplying by 5 Dividing mixed numbers by 2 Finding the difference of the squares of two consecutive 2-digit numbers Finding the difference of the squares of two different 2-digit numbers Finding the square root of squares of 2-digit numbers ending in 1 Finding the square root of a perfect square ending in 5   Adding Numbers Finding the sum of all even numbers from 2 through a selected 2-digit even number Finding the sum of the digits of the square of repeating ones Adding a sequence of consecutive odd numbers Adding consecutive numbers between two numbers Adding a sequence of numbers from one to a selected 2-digit number Adding a sequence of numbers from one to a selected 1-digit number and back Adding sequences of numbers in the 10's Adding sequences of numbers in the 20's Adding sequences of numbers in the 30's Adding sequences of numbers in the 40's Adding sequences of numbers in the 50's Adding sequences of numbers in the 60's Adding sequences of numbers in the 70's Adding sequences of numbers in the 80's Adding a series of doubles Adding a series of quadruples Adding a series of ten numbers   Subtracting Numbers Subtracting from a repeating 1's number, dividing by 9, subtracting 21 Subtracting from a repeating 8's number, dividing by 9, subtracting 10 Subtracting the squares of two numbers Reversing/adding/subtracting 3-digit numbers   Finding Percentages Finding 2.5 percent of a number Finding 5 percent of a number Finding 15 percent of a number Finding 20 percent of a number Finding 25 percent of a number Finding 33 1/3 percent of a number Finding 40 percent of a number Finding 45 percent of a number Finding 55 percent of a number Finding 70 percent of a number Finding 75 percent of a number Calculation Practice Exercises

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