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Assessment in Mental Math

Total questions: 35

Worksheet time: 14mins

Name
Class
Date
1.

What's next after 45?

a)

30

b)

40

c)

50

d)

35

2.

25, ____, 35, 40

a)

15

b)

20

c)

30

d)

45

3.

70, 75, 80, _____

a)

85

b)

90

c)

95

d)

100

4.

_____, 20, 25, 30

a)

5

b)

35

c)

10

d)

15

5.

50, ____, 60, 65, 70

a)

55

b)

75

c)

45

d)

40

6.

5 + (a)   = 10

7.

(a)   + 8 = 10

8.

6 + (a)   = 10

9.

9 + (a)   = 10

10.

3 + (a)   = 10

11.

10 + (a)   = 20

12.

15 + (a)   = 20

13.

4 + (a)   = 20

14.

13 + (a)   = 20

15.

9 + (a)   = 20

16.

15 + ____ = 30

a)

15

b)

20

c)

10

17.

20 + ____ = 30

a)

15

b)

5

c)

10

18.

18 + ____ = 30

a)

11

b)

12

c)

13

19.

25 + ____ = 30

a)

5

b)

10

c)

15

20.

22 + ____ = 30

a)

7

b)

6

c)

8

21.

20 + ____ 40

a)

10

b)

20

c)

30

22.

13 + _____ = 40

a)

7

b)

17

c)

27

23.

26 + ____ = 40

a)

14

b)

18

c)

11

24.

25 + ____ = 40

a)

9

b)

12

c)

15

25.

30 + ____ = 40

a)

10

b)

20

c)

30

26.

25 + ____ = 50

a)

20

b)

25

c)

30

27.

15 + ____ = 50

a)

25

b)

35

c)

40

28.

20 + ____ = 50

a)

30

b)

35

c)

40

29.

43 + ____ = 50

a)

3

b)

5

c)

7

30.

28 + ____ = 50

a)

22

b)

24

c)

26

31.

35 + (a)   = 60

32.

30 + (a)   = 60

33.

15 + (a)   = 60

34.

55 + (a)   = 60

35.

40 + (a)   = 60