Page 67 - TG_G1_CH6_CHRIS

Name Date
6 There are 10 ants. 27 more come
Lesson 10: Problem-Solving Strategies along. How many ants are there
altogether?
1 I had 14 pencils. I gave 10 away to my
friends. How many pencils do I have left?
10 + 27 = 37
_____________________________ ants
14 - 10 = 4
_______________________________ pencils
7 Jeff has 70 cents. He buys a bottle
2 I had 20 ping-pong balls. My brother of water for 50 cents. How much
gave me 18 more. How many ping-pong does he have left over?
balls do I have now?
70 - 50 = 20
_____________________________ cents
20 + 18 = 38
______________________ ping-pong balls
3 I had 40 beads. My mom bought me 27 8 I planted 20 flowers yesterday and
more. How many beads do I have now? 16 more today. How many flowers
do I have in all?
40 + 27 = 67
_________________________________ beads
20 + 16 = 36
4 There were 50 muffins. We ate 20. ___________________________ flowers
How many muffins are left?
9 What number am I?
50 - 20 = 30
______________________ muffins
I am the number 10 less than 46. 36
5 My hobby is collecting rocks. I had 84 rocks. I am the number 10 more than 88. 98
My mom gave me 10 more. How many rocks
do I have now?
I am the number ten less than 50 and ten more than 30. 40
84 + 10 = 94
_______________________________________ rocks
120 Chapter 6
Chapter 6 119
Practice Book, p. 119 Practice Book, p. 120

Name Date
Name Date
Lesson 10: Problem-Solving Strategies
Lesson 10: Problem-Solving Strategies
1 There are 50 trees at the park. The town plants some more Reteach
trees. Now there are 70 trees in all. How many more trees does Lucas is having a party. He bought 32 cans of juice. There will
the town plant? be 42 guests at the party and each guest will get their own can
of juice.. How many more cans of juice does Lucas need to
70 = 50 + 20, have enough for 42 guests at the party and each guest will get
their own can of juice.
70 – 50 = 20 trees Lucas bought 32 cans of juice.
1 Read and understand There will be 42 guests at the
the problem. party. How many more cans of
juice does Lucas need?
2 Violet has $90. She gives $40 to her sister. Draw a model to 2 Make a plan. I will draw a 100 chart to find how
show how much money Violet has left. many more cans Lucas needs.
10
2
8
1
4
7
5
3
9
6
90 – 40 = $50 11 21 12 22 13 23 14 24 15 25 16 26 17 27 18 28 19 29 20 30
31 32 33 34 35 36 37 38 39 40
Tens Ones 41 51 42 52 43 53 44 54 45 55 46 56 47 57 48 58 49 59 50 60
Tens Ones
9 0 61 71 62 72 63 73 64 74 65 75 66 76 67 77 68 78 69 79 70 80
– 4 0 3 Carry out the plan. 81 91 82 92 83 93 84 94 85 95 86 96 87 97 88 98 99 89 100 90
5 0 I start at 32 and see that 42 is one
step down. Moving one step
3 Erik and his brother Liam want to donate money to charity. Erik down is 10 more. Lucas needs 10
has $80 and donates $20. Liam has $70 and donates $10. Erik more cans.
says that he has more money left over than his brother. Is he 4 Check Add to check. 32 + 10 = 42
correct? Explain and use a model to justify your answer.
He is incorrect. They have the same amount of Practice. Show your work.
1 There were 20 birds in a tree. 10 more joined
money left over. 80 – 20 = 60 70 – 10 = 60 them. How many birds are there in all? There are 30 birds in all.
Tens OnesOnes
Tens Ones Tens 2 Audrey is building a tower with cubes. She 20 + 10 = 30
Tens Ones
8 0 7 0 has 50 cubes in all. She uses 20 of them to
– 2 0 – 1 0 build the tower. How many cubes does she
6 0 6 0 have left over? 50 – 20 = 30 cubes
60 Chapter 6 - Reteach
60 Chapter 6 - Enrich
Enrich Practice Book, p. 60 Reteach Practice Book, p. 60
458