Name
Chapter 26, Lesson 2
Reteach
Date
Regroup Tens
CA Standard
NS 2.2, NS 2.0,
MR 1.2
Find 264 - 148.
Show 264.
Step 1
Step 2
Step 3
Subtract the tens.
Regroup 1 ten as
10 ones. Subtract the 5 tens - 4 tens = ?
ones. 14 - 8 = ?
-
2 hundreds 1 hundred = ?
Hundreds Tens Ones
Hundreds Tens Ones
2
1
Subtract the hundreds.
5 14
6 4
4 8
-
6
Hundreds Tens Ones
5 14
2 6 4
1 4 8
1 6
-
5 14
2 6 4
1 4 8
1 1 6
Subtract.
1.
2.
Hundreds Tens Ones
Hundreds Tens Ones
-
5 4
1 2
8
9
-
3.
3
1
7
2
2
7
4.
Hundreds Tens Ones
4
-
6
3
0
8
Hundreds Tens Ones
-
2
1
8
4
5
8
Writing and Reasoning How can you use regrouping
to subtract 148 from 285?
Reteach
Copyright © Houghton Mifflin Company. All rights reserved.
Use with text pages 515–516.