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- We'll learn how to add using the Standard Algorithm!
- We will also learn how to subtract using the standard algorithm.
- AND, we’ll see that this knowledge can help us decorate for parties, plan road trips and even go skiing!
Find the sum of 7,623 and 399 using the standard algorithm.
Subtract using the standard algorithm: 2,104 – 287.
Would it be better to use mental math or the standard algorithm to subtract 7,321 – 3,887?
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