Math

PEMDAS

100

43+4-27

20

200

53-2+7x2

65

300

125-3+7(10/5)

136

400

7²-5+(6x10)

104

500

39+4³/4²+(7²)²

2444

FRACTIONS/DECIMALS

100

2/4 = (decimal)

0.5

200

0.75 = (fraction)

3/4

300

2/6 = approximately (decimal) (four decimal places)

0.3333

400

5/8 = (decimal)

0.625

500

0.750 + 3/8 = (decimal, mixed number, and improper fraction)

1.125, 1 1/8, and 9/8 

MEAN, MEDIAN, MODE

100

1,4,6,9,11,15,17 (median)

9

200

1,3,5,6,1,9,7,6,3,6,5 (mode)

6

300

5,3,8,1,9,4 (mean)

5

400

6,8,6,5,4,3,4,5,66 (mean) (to the hundredths)

11.89

500

6,3,7,9,3,2,9,3,4,2,0,5 (mean)

3.5

Algebraic Equations

100

x - 20 = 13

33

200

2x + 8 = 16

4

300

4x² + 4 = 68

4

400

7x - 9 + 3 = 43

7

500

x + 12 - 25 = 17

30