Decimal Math!!!

Simple Division

100

0.036 ÷ 0.5

0.072

200

413 ÷ 0.07

5900

300

3.519 ÷ 90

Hint: move the decimal to the LEFT

0.0391

400

21.6 ÷ 1.2

18

500

0.9383 ÷ 0.011

85.3

Division w/ Rounding

100

1.22 ÷ 0.3

Round to the nearest tenth

4.1

4.066666 (sixes go on forever)

200

8.53 ÷ 0.5

Round to the nearest tenth

17.1

17.06

300

8 ÷ 7

Round to the nearest hundredth

1.14

1.14285714 (goes on forever)

400

816.45 ÷ 0.2

Round to the nearest thousand

4000

4082.25

500

0.000071 ÷ 0.0003

Round to the nearest thousandth

0.237

0.2366666 (sixes go on forever)

Adding/Subtracting

100

19.05 + 2.008

21.058

200

204.6 – 18.35

186.25

300

5.6 + 19.02 + 6.41

31.03

400

36.125 – 0.8978

35.2272

500

5.1 – 0.0999

5.0001

Multiplying

100

3.2 • 0.5

1.6

200

0.14 • 0.25

0.035

300

3.08 • 4.5

13.86

400

9.15 • 0.83

7.5945

500

326.71 • 2.83

924.5893

Order of Operations

100

3.5² + 0.75

13

3.5² = 3.5 • 3.5 = 12.25

200

18.76 – 2.3 • 0.2

18.3

300

0.065 • 0.012 • 0.005

Hint: Work your way left to right

0.0000039

400

2.057 ÷ (6.4 – 5.9)

Round your answer to the nearest tenth

4.1

4.114

500

(9.05 – 8.45)² • 1.5

Round your answer to the nearest whole number

1

0.54