Reteach and Skills Practice Workbook

2–7
Name
Date
Subtraction that involves digits that are zeros use the same steps
as subtraction that involves digits that are not zeros.
Example
Reteach
Subtract Across Zeros
Step 1: Regroup the hundreds by converting 1 hundred
into 10 tens.
300
- 157
2 10
3 0 0
- 1 5 7
4NS3.1
Chapter Resources
Copyright © Macmillan/McGraw-Hill, a division of The McGraw-Hill Companies, Inc.
Step 2: Regroup the tens by converting 1 ten into
10 ones.
Step 3: Subtract.
Subtract. Use addition to check.
1. 400
- 158
3. $8.00
- $2.67
5. 600
- 319
2. 3,900
- 1,853
4. 6,000
- 4,322
6. 9,000
- 6,866
9
2 10 10
3 0 0
- 1 5 7
9
2 10 10
3 0 0
- 1 5 7
1 4 3
Grade 4 35 Chapter 2