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Addition
Subtraction
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Multiplication
Divide!
number in figure
100

5 + 5 + 5 + 8

23

100

MENTAL MATH

5a - 1a

4a

100

put < or >

16 863 _______ 15 863

>

100

MENTAL MATH

12 x 4 = 

48

100

MENTAL MATH

what is 4/100 in decimal form

.04

100

nine hundred and twelve

912

200

Mental Math

50 + 50 + 10

110

200

MENTAL MATH

60f - 10f = 

50f

200

use < or >

3.764 _____ 10.008

<

200

MENTAL MATH

9x5

45

200

MENTAL MATH

400 / 5 =

80

200

seven thousand, one hundred and thirty

7 130

300

Mental Math

100 + 900 =

1000

300

MENTAL MATH

15 - 9

6

300

half of 38

19

300

MENTAL MATH

13 x 3  = 

39

300

Mental Math

54 / 6 =

9

300

five hundred thousand

500 000

400

MENTAL MATH

104 + 200 =

304

400

MENTAL MATH

250-150

100

400

simplify 18 : 45

2 : 5

400

MENTAL MATH 

 9 x 12 = 

108

400

140/10

14

400

1 000 000

one million

500

Mental Math

865 + 10

875

500

MENTAL MATH

6k - 3k

3k

500

if 1 pen cost 70 cents. how much would 5 pens cost?

$3.50

500

MENTAL MATH

5 x 12 = 

60

500

MENTAL MATH 

3/10 in decimal form

0.3

500

539 050

five and thirty-nine thousand, and fifty