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Worksheets

Mental Math Revision

Total questions: 40

Worksheet time: 23mins

Name
Class
Date
1.

Smallest 2-digit number?

a)

20

b)

99

c)

11

d)

10

2.

457 is an even number.

True or False?

a)

TRUE

b)

FALSE

3.
400+50+3
a)
543
b)
345
c)
543
d)
453
4.
700-350
a)
350
b)
250
c)
450
d)
550
5.

What is 10 more than 56?

a)

57

b)

46

c)

66

d)

11

6.

What is 10 less than 19?

(a)  

7.

What is 5 less than 100?

(a)  

8.

What is 20 more than 50?

a)

60

b)

40

c)

70

d)

52

9.

4 x 5 = (a)  

10.

12 - 10 = (a)  

11.

Mr. Arthur walked around the school for 15 minutes on Saturday. He walked around the school for 20 minutes on Sunday. How many minutes did he walk in all?

(a)  

12.

 7 × 2 = ?7\ \times\ 2\ =\ ?  



(a)  

13.

 9 × ? = 279\ \times\ ?\ =\ 27  

a)

2

b)

3

c)

4

d)

5

14.

1) Take the number of months in a year.

2) Divide the number by 2

a)

7

b)

6

c)

5

d)

1

15.

1) 2 x 3 = ?

2) Answer (?) Minus 2

3) Answer (?) Times 3

a)

12

b)

13

c)

14

d)

15

16.

Find the sum: 37 + 52 = (a)  

17.

Find the difference: 89 - 57 = (a)  

18.

Complete the Number Bond!

a)

6

b)

7

c)

4

d)

9

19.

Complete the Number Bond!

a)

12

b)

16

c)

15

d)

14

20.

Find the difference mentally! 10 - 4 = (a)  

21.

Find the sum!

a)

92

b)

90

c)

84

d)

94

22.
Add using mental math:
  45
+24
____
a)
69
b)
88
c)
96
d)
21
23.
Subtract using mental math:
  62
- 20
____
a)
42
b)
22
c)
82
d)
54
24.

How many hundreds in 206?

(a)  

25.

What number comes after 139?


139 (a)  

26.

Choose the correct number name of 50:

a)

fifteen

b)

fivety

c)

fifty

d)

fixty

27.

Choose the next number?

243, 246, 249, ___

a)

250

b)

251

c)

249

d)

252

28.

How many tens are there in 426?

a)

4

b)

6

c)

2

d)

0

29.

Choose the odd numbers: 2, 3, 6, 9, 7, 0

a)

2, 6, 0

b)

3, 9, 7

30.

Which month has 1 extra day in a leap year?

a)

September

b)

February

c)

March

d)

December

31.

June has 31 days.

a)

True

b)

False

32.

Which is the missing number: 7 + ___ = 20

a)

10

b)

12

c)

13

d)

14

33.

What shape is this?

a)

Cube

b)

Cone

c)

Cuboid

d)

Sphere

34.

What is the Value of the number 2 in 324?

a)

2

b)

20

c)

200

d)

22

35.

What is the standard form of 800+20+5?

(a)  

36.

What place is 2 in the number 624?

a)

Ones

b)

Tens

c)

Hundreds

d)

Thousands

37.

What number does this show?

(a)  

38.
a)

twenty five

b)

thirty five

c)

fourty five

d)

fifty five

39.

Identify the number shown.

(a)  

40.

8 hundreds + 3 tens + 7 ones = (a)