Common Core aligned
Answer Key
Grade 3bar-modelsBeginner

Part-Whole Models 4

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6 problems

1.

Jack has 12 marbles. Amy has 8 marbles. How many more marbles does Jack have than Amy?

Bar Model:
12
8
?
Equation: 12 - 8 = ?
Answer:
2.

Amy has 10 apples. Mia has 4 more than Amy. How many does Mia have?

Bar Model:
10
10
4
Equation: 10 + 4 = ?
Answer:
3.

Amy has 12 cards. Max has 4 more than Amy. How many does Max have?

Bar Model:
12
12
4
Equation: 12 + 4 = ?
Answer:
4.

Amy has 5 cookies. Emma has 3 more than Amy. How many does Emma have?

Bar Model:
5
5
3
Equation: 5 + 3 = ?
Answer:
5.

Amy has 7 books. Lisa has 3 more than Amy. How many does Lisa have?

Bar Model:
7
7
3
Equation: 7 + 3 = ?
Answer:
6.

Tom has 9 crayons. Lisa has 5 crayons. How many more crayons does Tom have than Lisa?

Bar Model:
9
5
?
Equation: 9 - 5 = ?
Answer: