Learn about efficient addition and subtraction methods. Add numbers with up to 4 digits together Learn how to add numbers with up to 4 digits together. Subtract up to 4-digit numbers Learn how to ...
Learn about number bonds to 100 using tens and ones. Add 2-digit numbers Learn how to add two-digit numbers. Adding 3-digit and 1-digit numbers together Explore examples and a video to show how to add ...
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