JeopardyLabs

Represent Place Value Units

100

5 tenths 

0.5

200

45 hundredths 

0.45

300

29 thousandths

0.029

400

564 thousandths

0.564

500

57 tenths 

5.7

standard form--> unit form

100

0.8

8 tenths 

200

0.89

89 hundredths 

300

0.098

98 thousandths 

400

0.400

4 hundred thousandths 

500

0.0876

876 hundred ten thousandths 

multiply by powers of 10

100

3 x 10 

30

200

45 x 10

450

300

4.8 x 100

480

400

34.6 x 100

3,460

500

56.78 x 1000

56,780

divide by powers of 10

100

5/10

0.5

200

13/100

0.13

300

4.7/100

0.047

400

68/1,000

0.068

500

27.9/1,000

0.0279

multiply decimals

100

4.6 x 0.8

3.68

200

3.4 x 4.8

16.32

300

5.2 x 3.64

18.928

400

Mrs. Wald buys 1.5 pounds of cheese. Each pound of cheese costs $6.24. What is the total cost of the cheese? 

The total cost of the cheese is $9.36.

500

Carter runs 3.4 kilometers. Tom runs 0.75 times as much as Carter. How many more kilometers does Carter run than Tom? 

Carter run 0.85 miles more that Tom.