Subtraction to 20: Interactive Quizzes and Practice Questions

Question 1

Which number sentence shows the difference between 20 and 9?

Accepted Answer

20 - 9 = 11

Answer

9 + 20 = 29

Answer

20 - 11 = 9

Question 2

Which of the following is NOT a strategy for subtracting?

Accepted Answer

Adding the numbers

Answer

Counting backwards

Answer

Using a number line

Question 3

Which number sentence represents the subtraction of 4 from 9?

Accepted Answer

9 - 4

Answer

4 - 9

Answer

9 + 4

Question 4

Which subtraction problem has the largest difference?

Accepted Answer

15 - 9

Answer

10 - 5

Answer

12 - 7

Question 5

What is the value of 10 minus the sum of 5 and 2?

Accepted Answer

3

Answer

5

Answer

7

Question 6

What is 12 minus 5?

Accepted Answer

7

Answer

8

Answer

9

Answer

10

Question 7

There is a pizza with 10 slices. You eat 3 slices. What part of the pizza have you eaten?

Accepted Answer

1/3

Answer

1/4

Answer

1/5

Answer

1/6

Question 8

Which of these equations shows the subtraction of 6 from 14?

Accepted Answer

14 - 6 = 8

Answer

8 - 14 = 6

Answer

6 - 14 = 8

Answer

14 + 6 = 8

Question 9

To solve the subtraction problem 15 - 7, which of these methods can you use?

Accepted Answer

Counting back

Accepted Answer

Using a number line

Answer

Multiplying

Question 10

Which number sentence shows the difference between 16 and 8?

Accepted Answer

16 - 8 = 8

Answer

16 + 8 = 24

Answer

8 - 16 = -8

Answer

16 - 8 = 16

Question 11

Solve: 13 - 6 = ?

Accepted Answer

7

Answer

8

Answer

9

Answer

10

Question 12

Which number sentence represents the following subtraction problem: 'There are 14 birds on a tree. 7 birds fly away.'?

Accepted Answer

14 - 7 = 7

Answer

14 + 7 = 21

Answer

7 - 14 = -7

Answer

7 + 7 = 14

Question 13

What is 20 minus 13?

Accepted Answer

8

Answer

6

Answer

7

Answer

9

Question 14

Which of these sums shows the subtraction of 6 from 13 correctly?

Accepted Answer

13 - 6 = 8

Answer

13 - 6 = 5

Answer

13 - 6 = 6

Answer

13 - 6 = 10

Question 15

Which of these is not a way to solve a subtraction problem?

Accepted Answer

Adding

Answer

Counting back

Answer

Using a number line

Answer

Subtracting from a larger number

Question 16

Which subtraction fact is incorrect?

Accepted Answer

16 - 8 = 9

Answer

12 - 5 = 7

Answer

14 - 6 = 8

Question 17

Let's figure out which of these equations doesn't show how to subtract 12 from 5. Can you tell me which one it is?

Accepted Answer

5 - 12 = 7

Answer

12 - 5 = 7

Answer

12 - 7 = 5

Answer

7 - 12 = 5

Question 18

Let's solve a problem. A farmer had 18 sheep. He sold 9 of them. How many sheep does the farmer have now?

Accepted Answer

11

Answer

9

Answer

15

Answer

19

Question 19

We've learned different methods to subtract numbers in this unit. Which one of these methods is NOT something we learned?

Accepted Answer

Multiplying

Answer

Counting backwards

Answer

Using a number line

Answer

Taking away

Question 20

Let's look at different ways of expressing subtraction. Which of these shows us how to take away 12 from 20?

Accepted Answer

20 - 12

Answer

12 - 20

Answer

20 + 12

Answer

12 - 12

Question 21

We want to find the difference between 18 and 9 in the most efficient way possible. Which strategy would you use?

Accepted Answer

Taking 10 away from 18 and then adding 1

Answer

Adding up from 9 to 18

Answer

Counting back from 18 by 1s

Answer

Using a number line to move from 18 to 9

Question 22

To find the difference between 15 and 7 using a number line, what should you do?

Accepted Answer

Start at 15 and jump back 7 times.

Answer

Start at 15 and jump forward 7 times.

Answer

Start at 7 and jump back 15 times.

Question 23

Which number sentence shows 12 minus 4?

Accepted Answer

12 - 4

Answer

12 + 4

Answer

4 - 12

Answer

4 + 12

Question 24

What is 10 minus 10?

Accepted Answer

0

Answer

5

Answer

10

Answer

1

Question 25

Which expression means 'subtract 6 from 13'?

Accepted Answer

13 - 6

Answer

6 + 13

Answer

13 + 6

Answer

6 - 13

Question 26

A train leaves a station with 20 passengers. At the next station, 8 passengers get off and 5 passengers get on. How many passengers are on the train now?

Accepted Answer

17

Answer

18

Answer

20

Answer

15

Question 27

Find the difference between 12 and 5.

Accepted Answer

7

Answer

8

Answer

6

Question 28

Which equation represents the subtraction of 6 from 14?

Accepted Answer

14 - 6

Answer

6 - 14

Answer

14 + 6

Answer

6 + 14

Question 29

Which of the following is NOT a strategy for subtracting one-digit numbers?

Accepted Answer

Multiplication

Answer

Compensation

Answer

Number line

Answer

Counting back

Question 30

Which of the following equations shows the subtraction of 9 from 13?

Accepted Answer

13 - 9

Answer

9 - 13

Answer

13 + 9

Question 31

Tom had 16 marbles but lost 6. Which number sentence can help you find out how many marbles Tom has now?

Accepted Answer

16 - 6 = __

Answer

16 + 6 = __

Answer

16 ÷ 6 = __

Answer

6 - 16 = __

Question 32

Subtract 11 from 20. What is the answer?

Accepted Answer

9

Answer

11

Answer

12

Question 33

What is one less than 13?

Accepted Answer

12

Answer

14

Answer

11

Question 34

Continue the subtracting pattern: 19, 17, 15, ___, 11

Accepted Answer

13

Answer

16

Answer

10

Answer

14

Question 35

Find the difference between 18 and 9. What is the result?

Accepted Answer

9

Answer

7

Answer

12

Answer

10

Question 36

Which of these shows the subtraction of 5 from 12?

Accepted Answer

12 - 5

Answer

5 x 12

Answer

5 - 12

Answer

12 + 5

Question 37

There are 17 apples in a basket. You take out 6 apples. How many apples are left in the basket?

Accepted Answer

11

Answer

9

Answer

13

Answer

15

Question 38

What number makes this subtraction true? 10 -  ___ = 5

Accepted Answer

5

Answer

4

Answer

6

Answer

7

Question 39

A farmer has 12 sheep. He sells 8 sheep. How many sheep does he have left?

Accepted Answer

4

Answer

6

Answer

5

Answer

3

Question 40

If you start at 16 on a number line and count back 9 spaces, what number will you land on?

Accepted Answer

7

Answer

9

Answer

8

Answer

6

Question 41

Which of these is NOT a way to subtract numbers?

Accepted Answer

Multiplying the numbers

Answer

Using a number line

Answer

Counting up

Answer

Counting back

Question 42

What is 14 minus 6?

Accepted Answer

8

Answer

9

Answer

7

Answer

10

Question 43

What is the difference between 19 and 12?

Accepted Answer

7

Answer

9

Answer

8

Answer

6

Question 44

What is 12 minus 5?

Accepted Answer

7

Answer

9

Answer

8

Answer

6

Question 45

Find the difference between 15 and 7.

Accepted Answer

8

Answer

7

Answer

9

Answer

10

Question 46

Which number sentence shows subtracting 6 from 12?

Accepted Answer

12 - 6 = ?

Answer

12 + 6 = ?

Answer

6 - 12 = ?

Answer

6 + 12 = ?

Question 47

What is the missing number in the subtraction equation: 15 - ? = 5?

Accepted Answer

10

Answer

9

Answer

12

Answer

11

Question 48

Which of these is NOT a way to subtract one-digit numbers?

Accepted Answer

Multiplication

Answer

Subtracting from 10

Answer

Counting back

Answer

Using a number line

Question 49

What is the difference between the biggest and smallest one-digit numbers?

Accepted Answer

8

Answer

9

Answer

7

Question 50

A train has 20 passengers. At the next station, 5 passengers get off the train. How many passengers are left on the train?

Accepted Answer

15

Answer

17

Answer

14

Answer

16

Question 51

What is the missing digit in the subtraction equation: 18 - __ = 8?

Accepted Answer

10

Answer

11

Answer

12

Answer

9