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Mental Math add 1, 10, 100

Total questions: 10

Worksheet time: 5mins

Name
Class
Date
1.

53 + 1 =

a)

54

b)

63

c)

52

2.

213 + 100 =

a)

214

b)

223

c)

313

3.

10 + 23

a)

23

b)

33

c)

24

4.

68 + 1 =

a)

69

b)

78

c)

67

5.

720 + 10 =

a)

820

b)

710

c)

730

6.

45 + 1 =

a)

55

b)

46

c)

44

7.

56 + 100

a)

156

b)

656

c)

155

8.

10 less than 72 is

a)

62

b)

52

c)

82

9.

10 more than 26 is

a)

16

b)

36

c)

46

10.

100 more than 62

a)

162

b)

1,062

c)

72