Five-Minute Check (over Lesson 1–8)
Main Idea
Example 1: Use a Number Line
Example 2: Use a Number Line
Key Concept: Rounding Whole Numbers
Example 3: Use Rounding Rules
• I will round numbers to the nearest thousand.
Use a Number Line
A newspaper stand sold 4,850 magazines last
month. Round to the nearest thousand.
The closest thousand less than 4,850 is 4,000.
The closest thousand greater than 4,850 is 5,000.
Answer: Since 4,850 is closer to 5,000 than to
4,000, round 4,850 to 5,000.
Antonio sold 3,417 ride tickets at the carnival last
week. Round to the nearest thousand.
A. 3,400
B. 3,500
C. 3,000
D. 4,000
0%
0%
A
B
1.
2.
3.
4.
0%
C
A
B
C
D
0%
D
Use a Number Line
The book store sold 6,238 books this month. Round
to the nearest thousand.
The closest thousand less than 6,238 is 6,000.
The closest thousand greater than 6,238 is 7,000.
Answer: Since 6,238 is closer to 6,000 than to
7,000, round 6,238 to 6,000.
Zy-Aeria and Lin sold 1,765 raffle tickets at the
open house. Round to the nearest thousand.
A. 1,000
B. 2,000
C. 1,700
D. 1,800
0%
0%
A
B
1.
2.
3.
4.
0%
C
A
B
C
D
0%
D
Use Rounding Rules
The movie theater sold 2,513 tickets over the
weekend. To the nearest thousand, about how
many tickets were sold?
Step 1 Underline the digit in the
place to be rounded. In
this case, the 2 is in the
thousands place.
2,513
Step 2 Look at the 5, the digit to the
right of the underlined digit.
2,513
Use Rounding Rules
Step 3 This digit is 5, so change
the underlined digit by
rounding up 1.
2,513
Step 4 Replace all digits after the
underlined digit with zeros.
3,000
Answer: To the nearest thousand, 2,513 rounds to
3,000.
Jamie’s new pool holds 7,544 gallons of water. To
the nearest thousand, about how many gallons will
the pool hold?
A. 7,000
B. 7,500
C. 8,000
D. 7,600
0%
0%
A
B
1.
2.
3.
4.
0%
C
A
B
C
D
0%
D
End of the Lesson
Five-Minute Check (over Lesson 1–8)
Image Bank
Math Tool Chest
Place Value
(over Lesson 1–8)
Round 67 to the nearest ten.
A. 60
B. 7
C. 70
D. 6
0%
0%
A
B
1.
2.
3.
4.
0%
C
A
B
C
D
0%
D
(over Lesson 1–8)
Round 82 to the nearest ten.
A. 20
B. 2
C. 88
D. 80
0%
0%
A
B
1.
2.
3.
4.
0%
C
A
B
C
D
0%
D
(over Lesson 1–8)
Round 255 to the nearest ten.
A. 260
B. 50
C. 200
D. 300
0%
0%
A
B
1.
2.
3.
4.
0%
C
A
B
C
D
0%
D
(over Lesson 1–8)
Round 419 to the nearest ten.
A. 400
B. 410
C. 500
D. 420
0%
0%
A
B
1.
2.
3.
4.
0%
C
A
B
C
D
0%
D
(over Lesson 1–8)
Round 588 to the nearest hundred.
A. 580
B. 500
C. 600
D. 80
0%
0%
A
B
1.
2.
3.
4.
0%
C
A
B
C
D
0%
D
(over Lesson 1–8)
Round 1,230 to the nearest hundred.
A. 1,200
B. 1,230
C. 1,000
D. 230
0%
0%
A
B
1.
2.
3.
4.
0%
C
A
B
C
D
0%
D
(over Lesson 1–8)
Round 653 to the nearest hundred.
A. 700
B. 650
C. 50
D. 600
0%
0%
A
B
1.
2.
3.
4.
0%
C
A
B
C
D
0%
D
(over Lesson 1–8)
Round 1,781 to the nearest hundred.
A. 1,700
B. 1,000
C. 1,780
D. 1,800
0%
0%
A
B
1.
2.
3.
4.
0%
C
A
B
C
D
0%
D