SamizdatMath

Addition Puzzles that Practice - Complete with SmartBoard Module! Note: this is a "zip" file that contains both a PDF and SmartBoard file: when you expand it, you will end up with two separate files, one with the PDF of "Reindeer Rescue" for you to print and use, as well as a SmartBoard "notebook" file that you can use interactively. "Reindeer Rescue" is a truly "hands on" approach to working with addition and subtraction, with links to patterns and problem solving. The basic puzzle is simple:

By the Digits is a fully interactive activity to teach your students about place value, regrouping, addition and estimation. Simply tap the "round" number and a random number will appear in the "digit" column. Write that digit in the ones or tens place. Continue for 7 rounds, add up the ones and tens and see how close to 100 you got. This comes in a "demo" version, which is a single board, and a "competition version" where two teams can compete against one another (mad shoutout to Karol who sug