M.1
Add & Subtract Decimals
Q1 · Sep–NovAdd and subtract decimals with different numbers of places.
Level
Medium
Problems
Add & Subtract Decimals
Skill M.1 · Decimal operations · ★★☆ Medium · Quarter 1
- Name
- Date
Score/ 12
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Add or subtract. Line up the decimal points.
Example
40.500
−17.382
23.118
Think: Write as so both numbers have thousandths, line up the decimal points, then subtract.
- 152.489+55.600
- 292.165−88.500
- 355.614−21.475
- 415.96+61.87
- 522.05+31.80
- 636.064−19.300
- 792.67−9.31
- 897.6−95.1
- 997.206−22.700
- 1060.873−56.630
- 1160.267+49.310
- 1254.300+21.671
Answer Key
M.1 Add & Subtract Decimals · ★★☆ Medium
- 1108.089
- 23.665
- 334.139
- 477.83
- 553.85
- 616.764
- 783.36
- 82.5
- 974.506
- 104.243
- 11109.577
- 1275.971
M. Decimal operations8 skills
- M.1Add & Subtract Decimals
- M.2Estimate Sums & Differences of Decimals
- M.3Where Does the Decimal Point Go?
- M.4Multiply Decimals
- M.5Multiply & Divide by Powers of Ten
- M.6Divide Decimals by Whole Numbers
- M.7Division with Decimal Quotients
- M.8Divide Decimals