Page 55 - TG_G1_CH6_CHRIS

Name Date
D. Color the two numbers that make the difference.
Lesson 8: Subtract Tens 1
50 20 – 90 30 = 20
A. Subtract.
1 3 5
7 – 5 = 2 9 – 1 = 8 8 – 7 = 1 2
80 50 – 40 70 = 40
70 – 50 = 20 90 – 10 = 80 80 – 70 = 10

2 9 90 4 6 60 6 5 50 3 90 50 – 10 30 = 60
– 6 – 60 – 3 – 30 – 2 – 20
3 30 3 30 3 30
4 10 90 – 20 60 = 70
B. Add or subtract. Compare. Write >, <, or =.
1 20 – 20 < 40 – 30 4 20 + 10 > 20 – 10
E. Problem solving.
2 85 + 3 = 8 + 80 5 36 + 1 < 36 + 10
1 Thomas and Maria have 60 crayons
3 26 < 62 6 29 + 30 > 70 – 20 altogether. Thomas has 40 crayons.
How many crayons does Maria have?
C. Find the number.
20
70
1 90 take away 20 is ______________. _____________________________ crayons
20
2 90 subtract 70 is ______________. 2 Kamila has 70 beads. She gives her
50
3 20 less than 70 is _____________. sister 20 beads. How many beads
does Kamila have left?
40
4 The difference between 80 and 40 is _____________.
50
______________________________ beads
80
5 The sum of 40 and 40 is _____________.
116 Chapter 6
Chapter 6 115
Practice Book, p. 115 Practice Book, p. 116

Name Date Name Date
Lesson 8: Subtract Tens Lesson 8: Subtract Tens
A. Match.
Reteach
40 – 20 90 – 20 Tens Ones
5 0
90 – 50 50 – 30 - 2 0
3 0
50 - 20 = 30
50 – 20 20 + 10
Subtract.
70 + 0 80 – 40
1 3
B. Subtract. Use the place-value chart to justify your answer.
1 Tens 2 Tens OnesTens Ones
Tens OnesOnes
4 0 3 0
– 1 0 – 0
3 0 3 0 40 - 10 = 30 70 - 30 = 40
40 – 10 = 30 30 – 0 = 30
C. Problem Solving 2 4
Mason has 50 flowers. He gives 20 to his teacher. The rest he gives
to his mother. Use a place-value chart to show the number of
flowers Mason gives to his mother.
Tens OnesTens Ones
50 – 20 = 30 flowers 5 0
– 2 0 50 - 20 = 30 90 - 40 = 50
3 0
58 Chapter 6 - Enrich 58 Chapter 6 - Reteach
Enrich Practice Book, p. 58 Reteach Practice Book, p. 58
446