Name
Lesson 4
Reteach
Regroup Tens
hundreds
tens
ones
1
–1
6
3
3
5
Remember: Regroup 1 ten as 10 ones.
Use the base-ten blocks to subtract.
1.
hundreds
tens
ones
4
–2
3
1
7
8
Use base-ten blocks and Work Mat 7. Subtract.
2. 321 – 13 =
3. 543 – 215 =
4. 865 – 9 =
5. 623 – 415 =
6. 460 – 152 =
7. 746 – 28 =
Grade 2 • Chapter 7 Subtract Three-Digit Numbers
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