Positive and Negative Number Game - Teaching in Room 6

A simple tool to make integer operations more concrete. This manipulative makes adding positive and negative numbers more intuitive. Integers come up in so many places, from middle school all the way through high school with solving equations. This tool h

My students love these number puzzles. They are a great way to practice different strategies for adding and subtracting two-digit and three-digit numbers. They help students play with decomposing numbers to build addition and subtraction math strategies

add & subtract positive + negative numbers using money.

Addition and subtraction slide with plastic bag // composition decomposition of numbers math