Elementary Level Problems & Puzzles

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### Math Problems, Puzzles, Tips & Tricks

Browse the Internet Mathematics Library:

 Problems and puzzles by level:      Elementary          PreK-2          3-5   Problems and puzzles by topic:      Arithmetic      Geometry      Word Problems

Brain Teasers - Houghton Mifflin
Math puzzles for grades 3-4, 5-6, and 7+.

Grade 5/6 Finch Math Problems of the Week - Lt. Col. Barker School
Sample: "How many different combinations of coins can total exactly \$0.40? Hint: there are more than 30 ways!"

Math Fundamentals Problem of the Week - Math Forum
Non-routine problems that encourage students to verbalize solutions.

Math Advantage: Just For Kids - Harcourt Brace
Interactive math puzzles, games, and activities, sorted by grades K through 8.

Puzzle of the Month - Aims Foundation
Math puzzles for kids.

Way Cool Math Projects - Corona Elementary School
Web pages by a 5th grade classroom that has been working on hands-on grades 4-6 math projects: interactive pages that show work samples and lessons. Math Fun With Spirolaterals; Exploring Number Patterns; Perimeter, Area, & Volume; Toy Story Math.

### Math Tips & Tricks

BEATCALC
Mental math tricks from the BEATCALC mailing list. Faster than a speeding calculator - memorize a few simple rules and amaze your friends!
Division Tips
From the Archives of the Math Forum's Internet project Ask Dr. Math. How to know when a number can be divided by 3,4,5,6,7,8,9,10, or 11.
Multiplication Tips
From the Archives of the Math Forum's Internet project Ask Dr. Math. Hints for multiplying by 5, 9, and 11.
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