SamizdatMath

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

"By The Digits" is a game I developed where students take get a series of numbers and decide whether to place them in the tenths or hundredths place; at the end of 7 rounds, they add up the tenths and hundredths to get as close to 1.00 as possible. This is an interactive version for the SmartBoard. Pressing each digit under "round" selects a new digit from 0 - 9. After pressing the button, write down whether the number should go in the tenth or hundredths place. At the end of 7 rounds, add up t