Transcript Chapter 1 Lesson 6

Five-Minute Check (over Lesson 1–5)
Main Idea and Vocabulary
Example 1: Expanded Form
Example 2: Compare Decimals
Example 3: Compare Decimals
• I will compare decimals.
• equivalent decimals
Expanded Form
Roano ran 1.68 miles. Wangari ran 1.50 miles. Who
ran the longer distance?
One Way: Use a number line.
Numbers to the right are greater than numbers to
the left. Since 1.68 is to the right of 1.50, 1.68 > 1.50.
Compare Decimals
Another Way: Use place value.
Line up the
decimal points.
1.50
1.68
Compare the
digits in the
greatest place.
Continue
comparing until
the digits are
different.
1.50
1.68
1.50
1.68
The ones digits
are the same.
In the tenths
place, 5 < 6. So,
1.50 < 1.68.
Compare Decimals
Answer: So, Roano ran the longer distance.
Melinda walks 2.25 miles to work and Fredrick
walks 2.47 miles to work. Who walks the longer
distance to work?
A. Melinda
B. Fredrick
C. Both walk the same distance.
0%
A
1.
2.
3.
0%
B
A
B
C
0%
C
Compare Decimals
Replace with <, >, or = to make 0.730
true sentence.
0.730 = 0.730
0.73 a
Annex a zero. The value does not change.
Answer: So, 0.730 = 0.73.
Replace with <, >, =, or + to make 0.65
true sentence.
0.650 a
A. <
B. >
C. =
0%
A
0%1.
2.
3.
B
A
0%
B
C
C
Compare Decimals
Replace with <, >, or = to make 0.8
sentence.
0.8 → 0.80
0.87 a true
Annex a zero to the right of 0.8 so that it
has the same number of decimal places
as 0.87.
0.87 → 0.87
Answer: Since 0 < 7 in the hundredths place,
0.8 < 0.87.
Replace with <, >, =, or + to make 5.3
true sentence.
5.32 a
A. <
B. >
C. =
0%
A
0%
B
1.
2.
3.
A
0%B
C
C
End of the Lesson
Five-Minute Check (over Lesson 1–5)
Image Bank
Math Tool Chest
Represent Decimals
(over Lesson 1–5)
Write 0.34 in expanded form and word form.
A. 30 + 0.04; thirty-four hundredths
B. 0.3 + 4; thirty-four hundredths
A
B
C
D0%
0%
D
A
D. 0.03 + 0.04; thirty-four hundredths
B
1.
2.
3.
0% 4. 0%
C
C. 0.3 + 0.04; thirty-four hundredths
(over Lesson 1–5)
Write 4.262 in expanded form and word form.
A. 4 + 0.2 + 0.06 + 0.002; four and two
hundred sixty-two thousandths
B. 0.4 + 0.2 + 0.6 + 0.2; four and two
hundred sixty-two thousandths
0%
D
A
B
C
0% D 0%
C
A
D. 4 + 0.02 + 0.06 + 0.02; four and two
hundred sixty-two thousandths
1.
2.
3.
4.
0%
B
C. 0.04 + 0.2 + 0.06 + 0.2; four and two
hundred sixty-two thousandths