Page 47 - TG_G1_CH6_CHRIS

STEP BY STEP
TIME TO LEARN
Tens
Ones
Exercises 1 to 3 require children to add 2-digit numbers with regrouping. + + Tens Ones
Introduce exercise 1 to children. + + 2 2 +1+1 5 5 7 7 To add
To add
25 + 7. Regroup
25 + 7, regroup
3 3 2 2 10 ones as 1 ten.
10 ones as 1 ten.
+ +
Ask: How many is 4 + 6? 10. 25 + 7 = 32
25 + 7 = 32
Regroup the 10 ones as 1 ten. Then how many is 1 ten plus 4 ten (10 + 40)? 50
then the answer to 44 + 6 = 50. + + = 32
= 32
Another example: STEP regroup
Add.
BY
After solving Step-By-Step practice. Write 45 +9 = __ on the board. STEP Add.
Ones
Tens +1 +1 Ones
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Have children find the sum. The sum is 54. 1 1 44 + 6 = 50 + + 4 4 4 4 6 6
44 + 6 =
5 5 0 0
Tens Ones
Tens
Ones
8 8 7 7
87 + 9 =
2 2 87 + 9 = 96 + 9 9
MULTIPLE INTELLIGENCE ACTIVITY + 9 6
Tens
Tens Ones
Ones
Use the Multiple Intelligence Activity for this lesson to enrich and 3 3 56 + 6 = + + 5 5 6 6 6 6
56 + 6 = 62
engage the different learning styles of each child. 6 2
294
PR A C TI C E
C
P R A C T I C E E
P R A C T I
A. Add.
A. Add.
Ask children to complete the practice exercises independently. Walk around
62 + 9 =
54 + 7 =
the class and monitor children progress. 1 1 62 + 9 = 71 2 3 54 + 7 = 61
32 + 8 =
46 + 5 =
3 2 32 + 8 = 40 4 4 46 + 5 = 51
Exercise A provides practice mastering the concept of regrouping. 5 5 24 6 6 73 7 7 15 8 8 84
15
24
73
84
+ + 8 8 + + 7 7 + + 6 6 + + 8 8
Exercise B tests the ability of adding with regrouping. Let children use the place 32 80 21 92
value chart as a helping tool to sort the place value. B. Add.
B. Add.
Ones
Ones
Tens
Ones
Tens
Tens
1 1 Tens Ones 2 4 Tens Ones 37 Tens Ones
1 1 2 2 2 2 6 6 3 3 3 3
I got it 50% + + 2 8 8 0 + + 3 5 5 1 + + 4 9 9 2
If child needs help solving exercises, assist with the use of
manipulatives. Assign it to Reteach Practice Book for additional 4 2 Tens Ones 5 5 Tens Ones 6 8 Tens Ones
Ones
Ones
Tens
Ones
Tens
Tens
support. + + 4 4 5 5 7 7 + + 2 2 3 3 7 7 + + 8 8 5 5 9 9
5 2 3 0 9 4
I got it 75%
If child correctly solves the exercises independently using 7 3 Tens Ones 8 6 Tens Ones
Tens
Ones
Tens
Ones
4 4
6 8
3 3
4 7
manipulatives, assign the Practice Book for independent + + 5 5 + + 9 9
study. Help children solve the exercises independently using 8 3 4 3
manipulatives 295
I got it 100%
If child solves the exercises independently without the use of
manipulatives, assign the Enriched Practice Book for advanced
independent study.
438