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Algebraic Bar Models 2

Grade 8 · Bar Models · 5 problems

Directions: Use the bar model and equation to solve each word problem.

1.

Jack has 12 pencils. Tom has 24 pencils. Jack gives 6 to Tom. How many pencils do they have altogether now?

Bar model
12
24
Equation: 12 + 24 - 6 + 6 = 36
Answer:
2.

Jack has 16 cards. Amy has 23 cards. Jack gives 7 to Amy. How many cards do they have altogether now?

Bar model
16
23
Equation: 16 + 23 - 7 + 7 = 39
Answer:
3.

Amy has 19 crayons. Mia has 22 crayons. Amy gives 7 to Mia. How many crayons do they have altogether now?

Bar model
19
22
Equation: 19 + 22 - 7 + 7 = 41
Answer:
4.

Amy has 23 stickers. Max has 21 stickers. Amy gives 8 to Max. How many stickers do they have altogether now?

Bar model
23
21
Equation: 23 + 21 - 8 + 8 = 44
Answer:
5.

Amy has 10 marbles. Emma has 20 marbles. Amy gives 9 to Emma. How many marbles do they have altogether now?

Bar model
10
20
Equation: 10 + 20 - 9 + 9 = 30
Answer:
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