Key Idea1 of 3
Start Big, Count On
To count on, start with the bigger number and count forward. For 3 + 6, start at 6 and count 3 more: 7, 8, 9. The answer is 9! This is faster than counting everything from 1.
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Math — Addition to 10
To count on, start with the bigger number and count forward. For 3 + 6, start at 6 and count 3 more: 7, 8, 9. The answer is 9! This is faster than counting everything from 1.