MENTAL MATH :)

Addition

100

Mental Math

5 + 5 + 5 + 8

23

200

Mental Math

54 + 67 + 19

140

300

Mental Math

100 +___ = 900

800

400

Mental Math 

100+500+___= 780

180

500

Mental Math

104 + 238 +___=900

558

Subtraction

100

MENTAL MATH

5-1

4

200

MENTAL MATH

60 - 10 = 

50

300

MENTAL MATH

63 - 17

46

400

MENTAL MATH

254-159-6

89

500

MENTAL MATH

6-3-54

-51

Division

100

MENTAL MATH

10/2

5

200

MENTAL MATH

30/6

5

300

MENTAL MATH

72/8

9

400

MENTAL MATH

156/12

13

500

MENTAL MATH

625/25

25

Multiplication

100

MENTAL MATH

2x4 = 

8

200

MENTAL MATH

9 x 7

63

300

MENTAL MATH

13 x 4  = 

52

400

MENTAL MATH

5 x 3 x 4 = 

60

500

MENTAL MATH

5 x 4 x 10 x 2 x 3 = 

1200

Multiplying Fractions

100

MENTAL MATH

1/2 x 2/6=

 2/12

200

MENTAL MATH

1/4 x 1/2

 1/8

300

Mental Math

4/3 x 2/5

8/15

400

MENTAL MATH

6/7 x 4/10

24/70

500

MENTAL MATH 

7/12 x 6/5

42/60

Add/Sub Fractions

100

Mental Math 

1/2 + 2/2=

1 1/2 or 3/2

200

Mental Math 

1/4 + 2/4=

3/4

300

Mental Math 

7/41 - 4/41=

3/41

400

Mental Math 

1/10 + 7/10 + 4/10

12/10 or 1 2/10

500

Mental Math 

1/8 + 5/8 - 4/8 + 6/8

8/8 or 1