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Addition and Subtraction in Tens, First Grade Math Test

Problem #1

Add: 10 + 40 = ?

60

50

40

30

Problem #2

Subtract: 60 - 20 = ?

40

70

60

50

Problem #3

Subtract: 90 - 60 = ?

60

40

50

30

Problem #4

Add: 10 + 10 = ?

10

20

30

100

Problem #5

Add: 40 + 20 = ?

70

60

80

50

Problem #6

Subtract: 70 - 60 = ?

60

10

40

30

Problem #7

Subtract: 60 - 40 = ?

20

10

80

30

Problem #8

Add: 20 + 70 = ?

100

80

70

90

Problem #9

Subtract: 50 - 10 = ?

30

40

60

50

Problem #10

Add: 10 + 20 = ?

20

40

30

60

Problem #11

Add: 20 + 60 = ?

90

80

60

70

Problem #12

Subtract: 80 - 10 = ?

90

70

80

50

Problem #13

Subtract: 60 - 30 = ?

30

20

40

10

Problem #14

Add: 50 + 20 = ?

60

70

90

80

Problem #15

Add: 40 + 50 = ?

50

60

80

90

Problem #16

Add: 50 + 10 = ?

20

10

30

60

Problem #17

Subtract: 50 - 20 = ?

60

70

30

20

Problem #18

Subtract: 40 - 40 = ?

40

Zero

10

30

Problem #19

Add: 60 + 30 = ?

90

60

40

50

Problem #20

Subtract: 80 - 20 = ?

70

90

60

80