math

adding and subtracting + and - integers

100

1  what is -98+64 

2 what is 28+-87

1 -34

2 -59

200

-69+-86

-155

300

1 -88--79

2 45+66

1 -9

2 111

400

696+-969

273

500

613--609

4

absolute value

100

|-45|

45

200

1 |-213|

2|-89|

1 213

2 89 

300

|-78|

78

400

|-16|

16

500

1 |-10|

2 |-88|

1 10

2 88

fraction operations

100

1 16/8+14/8

2  7/4+2/4

1. 30/8 = 3 6/8

2. 9/4 = 2 1/4 

200

15/8+4/2 

31/8 = 3 7/8 

300

1   7/9+1/3 

2   24/7+20/14

 10/9=1 1/9

 68/14= 4 12/14 = 4 6/7

400

9/4+2/4

11/4=2 3/4 

500

8/2+18/4

34/4=8 2/4

standerd form

100

8x10⁷

80000000

200

1  5x10⁶

2 8.5x10¹

5000000

85.

300

9.8x10³

9800.

400

4.5x10⁴

45000.

500

1 9.3x10²

2 7.9x10⁴

930.

79000

turn fractions In to a decimal

100

1 turn 7/3 into a decimal 

2 turn 9/5 into a decimal

2.3

1.8 

200

turn 3/2 in to a decimal 

1.5

300

1 8/3

2 9/2

2.6

4.5

400

what is 6/4 as a decaml 

1.5

500

what is 7/5 as a decimils 

1.4