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Algebraic Bar Models 5

Grade 8 · Bar Models · 5 problems

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

1.

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:
2.

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:
3.

Tom has 14 pencils. Lisa has 19 pencils. Tom gives 9 to Lisa. How many pencils do they have altogether now?

Bar model
14
19
Equation: 14 + 19 - 9 + 9 = 33
Answer:
4.

Tom has 19 books. Jack has 24 books. Tom gives 3 to Jack. How many books do they have altogether now?

Bar model
19
24
Equation: 19 + 24 - 3 + 3 = 43
Answer:
5.

Tom has 21 crayons. Amy has 18 crayons. Tom gives 10 to Amy. How many crayons do they have altogether now?

Bar model
21
18
Equation: 21 + 18 - 10 + 10 = 39
Answer:
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