LESSON 29.2
Name
Model 3-Digit Addition:
Regroup Ones
Circle 10 ones and draw 1 ten to
show regrouping. How many
ones now? Write that number.
Write how many tens and hundreds.
1.
hundreds tens ones
10 ones are
the same as
1 ten.
hundreds
tens
ones
hundreds
tens
ones
hundreds
tens
ones
1
2.
1 4
2 4
4
7
3 9 1
hundreds tens ones
3.
1
1 2
5 6
6 9
6
7
3
© Harcourt
hundreds tens ones
1
2 1
2 3
4 5
9
2
1
Reteach
RW153
LESSON 29.2
Name
Model 3-Digit Addition:
Regroup Ones
Circle 10 ones and draw 1 ten to
show regrouping. How many
ones now? Write that number.
Write how many tens and hundreds.
1.
hundreds tens ones
10 ones are
the same as
1 ten.
hundreds
tens
ones
hundreds
tens
ones
hundreds
tens
ones
1
2.
1 4
2 4
4
7
3 9 1
hundreds tens ones
3.
1
1 2
5 6
6 9
6
7
3
© Harcourt
hundreds tens ones
1
2 1
2 3
4 5
9
2
1
Reteach
RW153
LESSON 29.2
Name
Model 3-Digit Addition: Regroup Ones
Use Workmat 5 and
1. hundreds tens ones
. Add.
2. hundreds tens ones
1
1
2
2
3
0
9
2
4
4 1
4. hundreds tens ones
0
2
9
3 3
5. hundreds tens ones
2
3
3
1
6
6
© Harcourt
1
4
2
1
5
5 2
5
4 2
6. hundreds tens ones
0
3
7
4
9
4 1
8. hundreds tens ones
6
2
1
6
4 1
5
1
5
8
5
7 3
8
3
9. hundreds tens ones
1
3
2
9
3
1
8
1
1
C
6
7
1
7. hundreds tens ones
1
8
1
1
3. hundreds tens ones
1
8
1
7
8
3
8
9 1
5
2
4
2
7
9
7
7 6
Mixed Review
How many hundreds, tens, and ones are there?
729 8
7
376 3
10.
862 11.
12.
hundreds
6
2
hundreds
7
hundreds
tens
2
9
ones
tens
6
ones
tens
ones
Practice
PW153
LESSON 29.2
Name
Model 3-Digit Addition: Regroup Ones
Use Workmat 5 and
1. hundreds tens ones
. Add.
2. hundreds tens ones
1
1
2
2
3
0
9
2
4
4 1
4. hundreds tens ones
0
2
9
3 3
5. hundreds tens ones
2
3
3
1
6
6
© Harcourt
1
4
2
1
5
5 2
5
4 2
6. hundreds tens ones
0
3
7
4
9
4 1
8. hundreds tens ones
6
2
1
6
4 1
5
1
5
8
5
7 3
8
3
9. hundreds tens ones
1
3
2
9
3
1
8
1
1
C
6
7
1
7. hundreds tens ones
1
8
1
1
3. hundreds tens ones
1
8
1
7
8
3
8
9 1
5
2
4
2
7
9
7
7 6
Mixed Review
How many hundreds, tens, and ones are there?
729 8
7
376 3
10.
862 11.
12.
hundreds
6
2
hundreds
7
hundreds
tens
2
9
ones
tens
6
ones
tens
ones
Practice
PW153
LESSON 29.3
Name
Model 3-Digit Addition: Regroup Tens
Step 1
Step 2
Add the ones.
718
Add the tens. 4 7 11
Regroup 11 tens to make
1 hundred 1 ten.
hundreds tens ones
hundreds tens ones
Step 3
Add the
hundreds.
hundreds tens ones
1
1
2
4
7
7
1
1
2
8
Use Workmat 5 and
4
7
7
1
8
1
1
1
2
4
4
7
1
7
1
8
. Add.
1. hundreds tens ones
hundreds
tens
ones
hundreds
tens
ones
hundreds
tens
ones
1
1
3
7
4
2
1
5 1 3
2. hundreds tens ones
1
4
6
0
9
0
9
3. hundreds tens ones
RW154
1
2
1
4
Reteach
5
6
1
1
7
8
© Harcourt
1
1
3
LESSON 29.3
Name
Model 3-Digit Addition: Regroup Tens
Step 1
Step 2
Add the ones.
718
Add the tens. 4 7 11
Regroup 11 tens to make
1 hundred 1 ten.
hundreds tens ones
hundreds tens ones
Step 3
Add the
hundreds.
hundreds tens ones
1
1
2
4
7
7
1
1
2
8
Use Workmat 5 and
4
7
7
1
8
1
1
1
2
4
4
7
1
7
1
8
. Add.
1. hundreds tens ones
hundreds
tens
ones
hundreds
tens
ones
hundreds
tens
ones
1
1
3
7
4
2
1
5 1 3
2. hundreds tens ones
1
4
6
0
9
0
9
3. hundreds tens ones
RW154
1
2
1
4
Reteach
5
6
1
1
7
8
© Harcourt
1
1
3
LESSON 29.3
Name
Model 3-Digit Addition: Regroup Tens
Use Workmat 5 and
1. hundreds tens ones
1
1
2
1
1
9
4
1 6
7
9
1 1
04.
429
187
616
199
730
929
C
2. hundreds tens ones
1
1
4
1
2
7
6
0 6
1
05.
1
8.
. Add.
1
1
2
5
2
8
8
1 1
1
675
153
828
06.
1
9.
9
7
3. hundreds tens ones
321
296
617
07.
523
406
929
1
462
450
912
10.
610
198
808
1
725
92
817
11.
Mixed Review
© Harcourt
Write the fraction for the shaded part.
12.
3
4
PW154
5
6
Practice
6
8
3
8
LESSON 29.3
Name
Model 3-Digit Addition: Regroup Tens
Use Workmat 5 and
1. hundreds tens ones
1
1
2
1
1
9
4
1 6
7
9
1 1
04.
429
187
616
199
730
929
C
2. hundreds tens ones
1
1
4
1
2
7
6
0 6
1
05.
1
8.
. Add.
1
1
2
5
2
8
8
1 1
1
675
153
828
06.
1
9.
9
7
3. hundreds tens ones
321
296
617
07.
523
406
929
1
462
450
912
10.
610
198
808
1
725
92
817
11.
Mixed Review
© Harcourt
Write the fraction for the shaded part.
12.
3
4
PW154
5
6
Practice
6
8
3
8