SamizdatMath

This is a set of 90 puzzles (30 at each level) of Advanced "Square Knot" Puzzles focused on practicing problems solving for 1st through 3rd graders using addition and subtraction. The format is the same as other square knot puzzles, with larger numbers. Why you should try these: One of the things that we should be emphasizing from the very earliest of ages is mathematics as problem solving. This is more than writing a bunch of word problems: problem solving is about using various techniques for

There is no cutesy kids or animals in this activity; it focuses on the math without distraction. This is an activity where children practicing using the "count up" and "count down" activity to make change from whole dollar amounts ($1, $2, $3, and in denominations up to $20.) It is designed to replicate the "real life" experience of giving change when the buyer has a non-whole dollar total. It also gives students practice in making change using coins, or combinations of bills and coins. The goa

This is the one and only collection of "MadHard" 'puzzlas' that I have been collecting, editing and finally, answering for more than a decade. Each one is designed to test the mathematical meddle of your kids, from 3rd through 8th grade. Are they hard? Oh, some are sooooo hard that they even stumped mathematicians! Others are a little less hard, but they're all pretty unique and fun and the contexts are nothing like you've ever seen before. Here are some examples: • A cute baby dressed as a tac