Transcript Document 7274830

Decimals
Review of representation of
decimals, powers of ten, ordering,
comparing, and rounding of
decimals
Compare &
Word Form Expanded Form Powers of Ten
Order
Decimals
Rounding
Decimals
100
100
100
100
100
200
200
200
200
200
300
300
300
300
300
400
400
400
400
400
500
500
500
500
500
Word Form for 100
Write this number in words:
100.387
Word Form for 100
One hundred and three hundred
eighty-seven thousandths
Word Form for 200
Write this decimal in words:
50.13
Word Form for 200
Fifty and thirteen hundredths
Word Form for 300
Write this decimal in word
form: 0.0006
Word Form for 300
Six ten thousandths
Word Form for 400
What is the word form for 3.004
Word Form for 400
Three and four thousandths
Word Form for 500
What is the word form of
312.8123?
Word Form for 500
Three hundred twelve and eight
thousand one hundred twentythree ten thousandths
Expanded Form for 100
What is 40 + 5 + (6 x 1/10)
Expanded Form for 100
45.6
Expanded Form for 200
What is (1 x 1/10) + (8 x 1/100)
Expanded Form for 200
0.18
Expanded Form for 300
What is 0.1 + 0.03 +
0.006?
Expanded Form for 300
0.136
Expanded Form for 400
Write this number in
expanded form:
13.367
Expanded Form for 400
10 + 3 +0.3 + 0.06 + 0.007 or
10 + 3 + ( 3x 1/10) + (6 x 1/100) +
( 7 x 1/1000)
Expanded Form for 500
Write this number in expanded
form: 5.8927
Expanded Form for 500
5 + 0.8 + 0.09 + 0.002 + 0.0007 or
5 + (8 x 1/10) + ( 9 x 1/100) +
(2 x 1/1,000) + (7 x 1/10,000)
Powers of Ten for 100
What is the product of 3.39 x
102?
Powers of Ten for 100
339
Powers of Ten for 200
What is the quotient? 627 ÷ 103?
Powers of Ten for 200
0.6274
Powers of Ten for 300
What power of 10 multiplied
by 8.95 equal to 89,500,000?
Powers of Ten for 300
107
Powers of Ten for 400
What is the quotient of 0.9 ÷
103?
Powers of Ten for 400
0.0009
Powers of Ten for 500
Find the product of 47.62 x 104
Powers of Ten for 500
476,200
Compare & Order Decimals for
100
Compare these decimals:
32.135
32.035
Compare & Order Decimals for
100
32.135 > 32.035
0
Compare & Order Decimals for
200
Which of these numbers is the
least? Which is the greatest?
7.35
6.989
7.038
Compare & Order Decimals for
200
The least number is 6.989. The
greatest number is 7.35
Compare & Order Decimals for
300
Emma is mailing some packages.
The weights of the packages in
pounds are show below. Order the
weights from least to greatest.
9.42
3.201
4.083
11.2
Compare & Order Decimals for
300
3.201< 4.083 < 9.42 < 11.2
Compare & Order Decimals for
400
Which decimal is greater than
24.07 and less than 24.075?
a. 24.007
b. 24.070
c. 24.071
d. 24.08
Compare & Order Decimals for
400
C. 24.071
Compare & Order Decimals for
500
Which decimal is between 4.1
and 4.3?
a. 4.34
b. 4.17
c. 4.06
d. 4.02
Compare & Order Decimals for
500
b. 4.17
Rounding Decimals for 100
Jacob has 31.75 yards of yarn. How many
yards of yarn rounded to the nearest tenth
of a yard does Jacob have?
Rounding Decimals for 100
31.8 yards
Rounding Decimals for 200
Dwayne ran 11.374 kilometers.
Rounded to the nearest hundredth,
how many kilometers did he run?
Rounding Decimals for 200
11.37 kilometers
Rounding Decimals for 300
In physical education class, Austin
ran 3 miles in 20.06 minutes. What
is Austin’s time rounder to the
nearest minute?
Rounding Decimals for 300
20 minutes
Rounding Decimals for 400
What is 98.047 rounded to the nearest
hundredth?
Rounding Decimals for 400
98.05
Rounding Decimals for 500
What is 14.999 rounded to the nearest
hundredth?
Rounding Decimals for 500
15