Decimal Ops

Multiplying Dec.

100

3.2x4.1

13.12

200

75.21x.73

Round to nearest hundredth. 

54.90

300

89.23x1.43

Round to nearest hundredth.

127.6

400

53.72x100.92

Round to nearest hundredth.

5421.42

500

6.99x.0052

Round to nearest thousandth.

.036

Dividing Dec.

100

4.2/ 3.0

1.4

200

6.5/2

3.25

300

44.8/ 3.2

14

400

67/5.6

Round to nearest hundredth.

11.96

500

350/.014

25,000

Adding/Subtracting Dec

100

12.1 + 6.5

18.6

200

15.5 +17.6

32.6

300

137.18 + 234+.88

381.06

400

194.87-95.987

98.883

500

837.0029-114.9876

722.0153

Place Value

100

Where do the decimals go?

3+1=3.1

3.0

.1

200

Where do the decimals go?

10-5=.5

1.0

.5

300

Where do the decimals go?

55x11=6.05

5.5

1.1

400

Where do the decimals go?

3x4=.03

.3

.4

500

Where do the decimals go?

12x54=.648

1.2

.54

Misc

100

What time is 1000 minutes after 10AM.

BONUS 250 POINTS

2:40AM

200

If Miss. Jackson writes the 9-letter phrase "MATHISFUN" on the whiteboard ten times what will be the 50th letters writes?

U

300

3 + 4(5.2+1.8)-17

14

400

9,322x5123

47,756,606

500

A bat and a ball cost one dollar and ten cents total. The bat costs a dollar more than the ball. How much does the ball cost? 

5 cents