Adding and Subtracting Two-Digit Numbers: Master the Basics with Fun Quizzes

Question 1

Which of the following is the standard written algorithm for adding two-digit numbers?

Accepted Answer

Line up the numbers vertically, add the ones digits, carry the tens if needed, then add the tens digits

Answer

Start with the tens digits, add them, then add the ones digits

Answer

Subtract the smaller number from the larger number

Answer

Use a number line to jump forward by the sum of the two numbers

Question 2

Add 32 and 53 using regrouping in written form:

Accepted Answer

85

Answer

75

Answer

95

Answer

105

Question 3

What is the result of subtracting 26 from 58 using a written algorithm?

Accepted Answer

58
-	26
---------
22

Answer

58
-	36
---------
32

Answer

26
-	58
---------
-32

Answer

36
-	58
---------
-22

Question 4

What is the missing number in the pattern: 12, 24, ___, 48, 60?

Accepted Answer

36

Answer

32

Answer

40

Answer

44

Question 5

What is the missing number in the equation: 45 -  = 27?

Accepted Answer

18

Answer

28

Answer

19

Question 6

Which of these is NOT a true statement about subtracting two-digit numbers?

Accepted Answer

You can always subtract mentally.

Answer

You can't subtract a larger number from a smaller number.

Answer

You can borrow from the tens place to subtract.

Question 7

A farmer has 48 sheep in one field and 35 sheep in another field. How many sheep does he have in total?

Accepted Answer

83

Answer

73

Answer

80

Question 8

Which of these expressions represents the difference between 67 and 53?

Accepted Answer

67 - 53

Answer

53 - 67

Answer

67 + 53

Question 9

Which of these is NOT an addition strategy?

Accepted Answer

Guess and check

Answer

Expanded form

Answer

Place value

Answer

Mental calculation

Question 10

Estimate the total of 48 and 33:

Accepted Answer

80

Answer

70

Answer

90

Answer

100

Question 11

Which of the following expressions shows the commutative property of addition for the numbers 56 and 29?

Accepted Answer

29 + 56

Answer

29 - 56

Answer

26 + 59

Answer

56 - 29

Question 12

Subtract 15 from 47 without regrouping.

Accepted Answer

32

Answer

42

Answer

22

Answer

52

Question 13

Which of the following demonstrates the commutative property of subtraction?

Accepted Answer

32 - 17 = 17 - 32

Answer

32 x 17 < 17 x 32

Answer

32 + 17 > 17 + 32

Question 14

Which of these is NOT a way to add two-digit numbers?

Accepted Answer

Multiply the digits

Answer

Estimate the answer first

Answer

Use a number line

Answer

Add the tens and the ones separately

Question 15

Which two numbers have the biggest difference?

Accepted Answer

75 and 23

Answer

56 and 19

Answer

47 and 15

Answer

64 and 32

Question 16

What is the sum of 56 and 32?

Accepted Answer

88

Answer

78

Answer

98

Answer

68

Question 17

Which of these is the same as 45 + 29?

Accepted Answer

29 + 45

Answer

49 + 25

Answer

29 - 45

Answer

45 - 29

Question 18

What is the sum of 34 and 27?

Accepted Answer

61

Answer

63

Answer

59

Answer

51

Question 19

If you subtract 18 from 53, what is the difference?

Accepted Answer

35

Answer

25

Answer

61

Answer

45

Question 20

A baker has 42 cookies and bakes 15 more. How many cookies does the baker have in total?

Accepted Answer

57

Answer

37

Answer

27

Answer

67

Question 21

Sarah has 78 stickers and gives 25 to her friend. How many stickers does Sarah have left?

Accepted Answer

53

Answer

63

Answer

43

Answer

93

Question 22

Which number sentence represents the picture below? (Picture shows 23 apples and 17 more apples being added)

Accepted Answer

23 + 17 = 40

Answer

17 + 23 = 40

Answer

40 - 17 = 23

Answer

23 - 17 = 6

Question 23

A shop has 35 toy cars and sells 12. How many toy cars are left?

Accepted Answer

23

Answer

47

Answer

13

Answer

57

Question 24

What is 56 + 28?

Accepted Answer

84

Answer

94

Answer

74

Answer

64

Question 25

A farmer has 64 sheep and buys 18 more. How many sheep does the farmer have in total?

Accepted Answer

82

Answer

92

Answer

72

Answer

56

Question 26

There are 45 birds on a tree and 16 fly away. How many birds are left on the tree?

Accepted Answer

29

Answer

61

Answer

31

Answer

39

Question 27

Calculate: 24 + 56

Accepted Answer

80

Answer

90

Answer

70

Answer

60

Question 28

Find the difference: 72 - 35

Accepted Answer

37

Answer

57

Answer

47

Answer

27

Question 29

A shop sells apples for 18p each. How much will 4 apples cost?

Accepted Answer

72p

Answer

62p

Answer

54p

Answer

82p

Question 30

A farmer has 63 sheep. He sells 24 of them. How many sheep does he have left?

Accepted Answer

39

Answer

49

Answer

29