Operations on whole numbers

25 + k = 13

• -12

• 12

• -38

• 38

If a seller sold 25 t-shirts in one week and 10 more t-shirts the following week, how many t-shirts did they sell in total?

• 20

• 30

• 35

• 40

20 - 11 =

• 10

• 8

• 11

• 9

15 puppies - 6 puppies = ?

• 10 puppies

• 11 puppies

• 9 puppies

• 8 puppies

Do you like it?

• Yes

• No

15 - 8

• 7

• 8

• 9

• 6

Which question would tell you to use subtraction in a word problem?

• How many in all?

• What is the total?

• How much is left over?

• What is a third of a number?

Oliver has 9 marbles. He lost 3 of them yesterday. How many marbles does he have left?

• 4

• 12

• 6

• 7

The sum of three whole numbers is 84. The first number is 60. the second and third number are the same. What is the second number?

• 14

• 48

• 12

• 24

30 - 15 =

• 18

• 16

• 15

• 14