Mixed Operations: Addition, Subtraction, and Multiplication Worksheet

Question 1

Solve: 24 + 18 = ?

Accepted Answer

24 + 18 = 42. You can add 20 + 10 = 30 and 4 + 8 = 12, then 30 + 12 = 42.

Question 2

Solve: 57 - 29 = ?

Accepted Answer

57 - 29 = 28. You can subtract 30 from 57 to get 27, then add 1 back to get 28.

Question 3

Solve: 6 x 4 = ?

Accepted Answer

6 x 4 = 24. This means 6 groups of 4, which makes 24 in all.

Question 4

Maya has 15 stickers. Her friend gives her 12 more stickers. How many stickers does Maya have now?

Accepted Answer

Maya has 27 stickers now because 15 + 12 = 27.

Question 5

There are 43 apples in a basket. 17 apples are sold. How many apples are left?

Accepted Answer

There are 26 apples left because 43 - 17 = 26.

Question 6

A table has 4 legs. How many legs do 5 tables have in all?

Accepted Answer

Five tables have 20 legs in all because 5 x 4 = 20.

Question 7

Solve: 38 + 27 = ?

Accepted Answer

38 + 27 = 65. You can add 30 + 20 = 50 and 8 + 7 = 15, then 50 + 15 = 65.

Question 8

Solve: 72 - 36 = ?

Accepted Answer

72 - 36 = 36. You can break 36 into 30 and 6, then subtract 72 - 30 = 42 and 42 - 6 = 36.

Question 9

There are 3 rows of chairs with 7 chairs in each row. How many chairs are there in all?

Accepted Answer

There are 21 chairs in all because 3 x 7 = 21.

Question 10

A library had 64 books on a shelf. Students checked out 18 books. Then the librarian added 9 new books. How many books are on the shelf now?

Accepted Answer

There are 55 books on the shelf now. First, 64 - 18 = 46, and then 46 + 9 = 55.

Question 11

Solve: 8 x 3 = ? Then write an addition sentence that matches it.

Accepted Answer

8 x 3 = 24. A matching addition sentence is 3 + 3 + 3 + 3 + 3 + 3 + 3 + 3 = 24.

Question 12

Lena has 28 crayons. She gives 9 crayons to her brother and 6 crayons to her sister. How many crayons does Lena have left?

Accepted Answer

Lena has 13 crayons left. She gives away 9 + 6 = 15 crayons, and 28 - 15 = 13.

Question 13

There are 9 bags. Each bag has 2 oranges. How many oranges are there in all?

Accepted Answer

There are 18 oranges in all because 9 x 2 = 18.

Question 14

Choose the operation and solve: Sam had 35 toy cars. He bought 14 more toy cars. Did you add, subtract, or multiply?

Accepted Answer

You add because Sam gets more toy cars. 35 + 14 = 49, so Sam has 49 toy cars.

Question 15

A garden has 4 rows of flowers with 6 flowers in each row. Then 5 flowers are picked. How many flowers are left?

Accepted Answer

There are 19 flowers left. First, 4 x 6 = 24 flowers, and then 24 - 5 = 19.

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