... means breaking a number into smaller parts. ​, partitioning​, counting on​, difference​, It's about finding how much bigger one number is compared to another.​, partitioning​, counting on​, difference​, a way to add numbers by lining them up vertically, bus stop method, column addition​ / subtraction, (also called carrying in addition or borrowing in subtraction) is when you more values between place values to help solve a problem, column addition​ / subtraction, regrouping​.

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