P.7
복명수의 덧셈과 뺄셈
3분기 (2~4월)5 ft 4 in − 2 ft 9 in처럼 두 단위로 나타낸 양을 단위를 바꾸어 더하고 빼기
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문제 수
Add & Subtract Mixed Measures
Skill P.7 · Unit conversions · ★★☆ Medium · Quarter 3
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Score/ 9
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Add or subtract. Regroup when you need to.
Example
Think: 4 inches is less than 9, so regroup 1 foot as 12 inches: 5 ft 4 in is 4 ft 16 in. Then inches and feet.
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Answer Key
P.7 Add & Subtract Mixed Measures · ★★☆ Medium
- 13 yd 1 ft
- 29 ft 2 in
- 316 gal 2 qt
- 47 yd 2 ft
- 511 gal 2 qt
- 68 yd 1 ft
- 75 gal 1 qt
- 82 ft 9 in
- 917 gal 2 qt