Math Review: April 17

Decimals & Fractions

100

Put these decimals in order from least to greatest: 

0.9

9.9

1.9

0.09

9.9

0.09, 0.9, 1.9, 9.09, 9.9

200

Add 

5 3/6 + 3 4/6

55/6 or 9 1/6

300

Subtract

8 3/7 - 5 5/7

2 6/7 or 20/7

400

2/10 + 52/100

0.72

500

45/100 + 5/10

0.95

Variables

100

Solve for x

4 + x + 5 = 17 

x = 8

200

Solve for y

8y = 72

y = 9

300

Solve for a

7a = 43 - 8 

DOUBLE POINTS

a = 5

400

Solve for x

4x = 45 + 15 

DOUBLE POINTS

x = 15

500

Solve for b 

5b = 75 + 25

DOUBLE POINTS

b = 20

PMDAS

100

42 - (25 / 5 ) x 3

27

200

5 x 3 + 4 - 2 / 2

18

300

( 4 x 3 ) - 4 / 2

10

400

18 - 8 + 4 / (1 x 2 )

12

500

(42 / 7 ) - 3 + 10 / 2

8

Multiplication

100

54 x 63

3,402

200

72 x 87

6,264

300

34 x 23

782

400

63 x 79

4,977

500

25 x 98

2,450

Division

100

56 / 6 

9 r 2

200

561 / 5

112 r 1

300

837 / 4

209 r 1

400

3,847 / 8

480 r 7

500

68,329 / 6

DOUBLE POINTS

11,388 r 1