N.4
소수의 덧셈과 뺄셈
3분기 (2~4월)소수점을 맞춰 소수 셋째 자리까지 더하고 빼기
난이도
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문제 수
Adding & Subtracting Decimals
Skill N.4 · Adding & subtracting decimals · ★★☆ Medium · Quarter 3
- Name
- Date
Score/ 12
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Add or subtract.
Example
23.45
−8.17
15.28
Think: Line up the decimal points and subtract like whole numbers, regrouping when needed: .
- 140.66+50.66
- 242.03+11.91
- 329.53+28.14
- 450.79+38.58
- 514.52−7.65
- 640.43−35.05
- 744.75−5.39
- 83.99+37.81
- 941.43−3.35
- 1041.53−7.65
- 1118.23+49.14
- 1222.81+2.51
Answer Key
N.4 Adding & Subtracting Decimals · ★★☆ Medium
- 191.32
- 253.94
- 357.67
- 489.37
- 56.87
- 65.38
- 739.36
- 841.8
- 938.08
- 1033.88
- 1167.37
- 1225.32