Multidigit Adding and Subtraction

When subtracting and adding multidigit numbers, where should you begin?

• Start in the biggest unit

• You can start wherever!

• In the tens place

• In the ones place

Use the standard algorithm to solve the following addition problem.

3,948 + 278 = _____

Use the standard algorithm to solve the following addition problem.

23,607 + 2,307 = _____

Use the standard algorithm to solve the following addition problem.

5,983 + 2,097 = _____

Monika drinks 1,466 milliliters of water a day. Victor drinks 2,895 mililiters more than Monika. How much water does Victor drink?

• 4361 milliliters

• 4351 milliliters

• 1429 milliliters

• 1329 milliliters

When adding, where do you regroup and carry the group of ten?

• To the tens place.

• Next door to the smaller unit.

• Next door to the bigger unit.

• I don't know regrouping is.

Use the standard algorithm to solve the following subtraction problem.

8,512 - 2,501 = _____

Use the standard algorithm to solve the following subtraction problem.

18,042 - 4,122 = _____

Use the standard algorithm to solve the following subtraction problem.

8,072- 1,561 = _____

What number must be added to 2,514 to result in a sum of 12,609?

*Hint: Draw out your tape diagram.