2006 Puzzle | 2005 Puzzle | 2004 Puzzle | 2003 Puzzle | 2002 Puzzle | 2001 Puzzle 2000 Puzzle | 1999 Puzzle | 1998 Puzzle - Judy Ann Brown
Use the digits in the years 2009, 2007, 2006, 2005, 2004, 2003, 2002, 2001, 2000, 1999, or 1998 and the operations of +, -, x, ÷, sqrt (square root),
Challenge: Using the digits 0, 1, 2, 3, 4, 5, 6, 7, 8, and 9, and the operations of +, -, x, ÷, sqrt (square root), cbrt (cube root), ^ (raise to a power), and ! (factorial), along with grouping symbols, write expressions for the counting number 100.
Challenge: Using the digits in 1997 or 1996 and any operations, try to write equations that have the numbers from 0 to 100 as the answer.
Challenge: Using four 4's and any operations, try to write equations that have the numbers from 0 to 100 as the answer. Math Line PuzzlesCan you figure out how to plant 7 rosebushes so that they form 6 straight lines with 3 rosebushes in each line? Or 10 bushes in 5 lines with 4 in each? How about 19 in 9 lines with 5 in each? Can you construct 9 triangles by drawing 3 straight lines through a capital M? Can you move exactly two toothpicks to form four 1x1 squares?
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