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1 Subtract the Decimals
Line up the decimal points carefully, then subtract.
0.85 − 0.32 =
3.74 − 1.58 =
6.50 − 2.73 =
9.01 − 3.46 =
5.30 − 2.87 =
8.12 − 4.65 =
10.00 − 3.29 =
7.43 − 5.98 =
14.20 − 6.75 =
12.06 − 8.19 =
18.50 − 9.83 =
25.00 − 14.67 =
2 Line Up & Subtract ⬇️
Borrow (regroup) where necessary — check each column carefully.
3 Place-Value Subtraction 🔢
Fill in the missing digits in each column, then write the answer.
| T | O | . | t | h | Answer |
|---|
| 1 | 5 | . | 6 | 3 | |
| − | | 8 | . | 9 | 7 |
| = | | | . | | |
| T | O | . | t | h | Answer |
|---|
| 2 | 0 | . | 0 | 0 | |
| − | | 7 | . | 4 | 5 |
| = | | | . | | |
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4 Subtract Different-Length Decimals
Add a zero so both numbers have the same number of decimal places, then subtract.
5.8 − 2.34 =
9.12 − 4.5 =
12 − 3.45 =
7.6 − 0.78 =
10.1 − 5.62 =
20 − 11.99 =
5 Find the Missing Decimal 🔍
What number goes in the blank?
8.46 − = 3.72
− 5.18 = 4.25
12.00 − = 7.83
− 6.09 = 9.91
15.50 − = 8.74
− 3.67 = 11.33
6 Word Problems 📖
Write the equation and solve.
- 1. A box weighs 4.25 kg. After removing some items it weighs 1.78 kg. How much weight was removed?
Equation: Answer: kg
- 2. Jake had $20.00 and bought a book for $13.47. How much change did he receive?
Equation: Answer: $
- 3. A plank is 3.60 m long. A carpenter cuts off 1.85 m. How much is left?
Equation: Answer: m
- 4. A relay race is 10.00 km. The first runner completed 4.36 km. How far must the remaining runners go?
Equation: Answer: km
Ex 1: 0.53, 2.16, 3.77, 5.55, 2.43, 3.47, 6.71, 1.45, 7.45, 3.87, 8.67, 10.33
Ex 2: 3.57, 5.63, 4.47, 5.47, 5.47
Ex 3: 6.66, 12.55
Ex 4: 3.46, 4.62, 8.55, 6.82, 4.48, 8.01
Ex 5: 4.74, 9.43, 4.17, 16.00, 6.76, 15.00
Ex 6: 2.47 kg, $6.53, 1.75 m, 5.64 km