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subtraction
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100

Mental Math

20-10

What is 10

100

MENTAL MATH

37 + 68 = 

What is 105

100

372x64

23808

100

478X75

35850

200

Mental Math

Fiona wants to buy a phone charger worth $42, but she only has a $50 bill How much change will she receive?

What is $8

200

500 + 250

750

200

MENTAL MATH

50 x 2 = 

100

200

572x79

45188

300

Mental Math

60 - 30 = 

What is 30

300

MENTAL MATH

56 + 30 = 

86

300

8 x 5 = ?

40

400

What place value is the "1" in the number 2,108? 

Hundreds

400

10,000 + 101

10,101

400

Mental Math

4 x 7 =

28

500

78-37

What is 41

500

MENTAL MATH = ? 

77 + 13

90
500

200 x 2=

What is 400