Lesson 3.1 Decimals And Place Value Worksheet Page 4
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Write the number as a decimal.
21. thirty and fifteen hundredths
Sports
22. fifty-eight and twenty-seven thousandths
23. seven hundred five thousandths
24. two hundred seventy-eight ten-thousandths
25. eighty-six and one hundred forty-three ten-thousandths
Write the decimal in words.
26. 0.99
27. 4.16
28. 0.367
29. 17.022
30. 8.0093
31. 10.0255
Turbojets
The Spirit of Australia set a record for the fastest water
32.
vehicle. This turbojet was timed at 317.58 kilometers per hour. Write
this speed in words.
Bridges
The main section of the Akachi-Kaikyo bridge in Japan is
33.
about one and ninety-nine hundredths kilometers long. Write this
Turbojets
length as a decimal.
The Spirit of Australia’ s
record speed was about
Money
Write the amount as a decimal part of a dollar.
318 kilometers per hour,
34. 1 quarter
35. 4 nickels
36. 89 pennies
37. 7 dimes
which is much faster than the
maximum speed of some
cruise ships, which is about
Copy and complete the expanded form of the decimal.
42 kilometers per hour. About
38. 8.6
8.0
_ ? _
39. 5.392
5.0
0.3
_ ? _
_ ? _
how many times faster can
the Spirit of Australia go than
40. 4.25
4.0
_ ? _
_ ? _
41. 0.1472
0.1
0.04
_ ? _
_ ? _
some cruise ships?
Gemstones
The table shows the weights of several different
gemstones at a jewelry store.
42. Write the weight of the topaz
Gemstone
Weight (carats)
in words.
amethyst
0.48
diamond
1.29
43. Write the weight of the
emerald
1.05
emerald in words.
topaz
0.65
44. Which gems weigh less than
sapphire
0.50
1 carat?
45. Sketch a base-ten model to represent
the weight of the diamond.
Write the decimal described.
46. one tenth more than 20.8
47. one hundredth less than 14.77
48. one tenth less than 34.7
49. one hundredth more than 85.29
110
Chapter 3
Decimal Addition and Subtraction
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