Common Core aligned
Answer Key
Grade 4bar-modelsEasy

Multiplication Division 4

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5 problems

1.

Max has 13 marbles. Jack has 21 marbles. Max gives 8 to Jack. How many marbles do they have altogether now?

Bar Model:
13
21
Equation: 13 + 21 - 8 + 8 = 34
Answer:
2.

Max has 20 books. Amy has 22 books. Max gives 9 to Amy. How many books do they have altogether now?

Bar Model:
20
22
Equation: 20 + 22 - 9 + 9 = 42
Answer:
3.

Max has 20 cards. Emma has 19 cards. Max gives 9 to Emma. How many cards do they have altogether now?

Bar Model:
20
19
Equation: 20 + 19 - 9 + 9 = 39
Answer:
4.

Mia has 23 crayons. Sam has 18 crayons. Mia gives 10 to Sam. How many crayons do they have altogether now?

Bar Model:
23
18
Equation: 23 + 18 - 10 + 10 = 41
Answer:
5.

Mia has 11 stickers. Tom has 17 stickers. Mia gives 10 to Tom. How many stickers do they have altogether now?

Bar Model:
11
17
Equation: 11 + 17 - 10 + 10 = 28
Answer: