Key Idea1 of 3
Hop Forward to Add
A number line shows numbers in order. To add on a number line, start at the first number and hop forward. To solve 2 + 3, start at 2 and hop 3 times: 3, 4, 5. You land on 5!
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Math — Addition to 5
A number line shows numbers in order. To add on a number line, start at the first number and hop forward. To solve 2 + 3, start at 2 and hop 3 times: 3, 4, 5. You land on 5!