Key Idea1 of 3
Jump Back on the Number Line
A number line shows numbers in order. To subtract, start at the first number and jump LEFT. Each jump takes away 1. Count your jumps to find the difference.
Loading...
Mathematics — Subtraction Strategies
A number line shows numbers in order. To subtract, start at the first number and jump LEFT. Each jump takes away 1. Count your jumps to find the difference.