7th Grade Math Topic 1 Review

Rational/Irrational

100

0.457962891...

Irrational

200

0.777777777...

Rational (repeating)

300

19/3

Rational (repeating)

400

13/65

Rational (terminating)

500

0.575575557...

Irrational

+ - Integers

100

65 + (-15)

49

200

-121 + (-34)

-155

300

-17 - 44

-61

400

84 - (-14)

96

500

-18 - (-55)

37

+ - Rational #s

100

-2.63 + 3 1/4

0.62

200

-4 1/2 - (-1.07)

-3.43

300

0.74 + (-3/5)

0.14

400

-1/8 - 0.356

-0.481

500

-5 1/2 - 1 3/4

-7.25

x / Integers

100

-2 x -9

18

200

-3 x 6 

-18

300

-24 divided by 6

-4

400

84 divided by -21

-4

500

-5 x 2 x -4 x 1 x -1

-40

x / Rational #s

100

-2 2/3 x -4 3/7

11 17/21 or 11.81

200

-3 4/9 x 5 2/5

-18 3/5 or -18.6

300

8/9 divided by -1 4/15

-120/171 or -40/57 or -0.70

400

-3.6 divided by 2 1/7

-1 17/25 or -1.68

500

-5 1/4 x -2.1 x 8

88.2