Regrouping Across Zero Subtraction
Practice regrouping across zeros in subtraction problems for 4th graders.
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Regrouping Across Zero Subtraction
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Read each problem carefully and solve by regrouping when necessary. Show your work.
1. When you need to subtract a larger digit from a smaller digit, you must from the next place value.
2. If the next place value is a zero, you need to regroup from the place value it.
3. Regrouping across zero often involves changing a 0 to a and the digit to its left decreases by one.
Solve the following subtraction problems. Show your work.
4. 500 - 123
5. 802 - 345
6. 3005 - 1289
7. 7100 - 4567
8. When regrouping from a zero, the zero becomes a 9 if you borrowed from the place value to its left.
True
False
9. What is the result of 600 - 245?
355
365
455
465
10. A library has 2000 books. If 785 books are checked out, how many books are left in the library?