Rounding to the 10
What is 54 rounded to the nearest ten?
50
What is 781 rounded to the nearest 100?
800
It means 'about'
Ryder has 781 pencils, he puts them into groups of 100. How many groups of 100 does he make?
7
If Bismarck is 205 miles away from Bowman, about how many miles is it from Bowman?
200 miles
What is 103 rounded to the nearest 10?
100
Which number, when rounded to the nearest hundred, rounds to 500?
538, 429, 441, 559
538
How do I know who the rounding boss is?
It is the number right after the underlined number.
Katie has 162 stickers. She puts them into groups of one hundreds and groups of tens. How many groups of 100 does she make and how many groups of 10?
She makes 1 group of 100 and 6 groups of 10.
It is 3:26. About what time is it?
3:30
What is 1,563 rounded to the nearest 10?
1, 560
What is 19 rounded to the nearest hundred?
0
If my question asks to round to the nearest 100, what place value do I underline?
Karen had 580 dimes. She put them in groups of 10. How many groups of dimes did Karen have?
58 dimes
My grandma lives 138 miles away from me. About how far away from me does she live?
140 miles
What is 20,678 rounded to the nearest 10?
20,680
What are all the numbers that, when rounded to the nearest ten, will round to 30?
A. The numbers 25 and 35
B. All numbers from 25 to 34
C. All numbers from 24 to 30
D. All numbers from 25 to 35
B
Which statement explains how to round 228 to the nearest hundred?
A. The number 228 is closer to 230 than to 220, so it rounds to 230.
B. The number 228 is greater than 200, so it rounds to 300.
C. The number 228 is closer to 200 than to 300, so it rounds to 200.
D. The number 228 is greater than 220, so it rounds to 250.
C
There are 463 pieces of candy in a bowl. If you put them in groups of 10, how many groups will there be? How many pieces will be left over?
46 groups of candy and 3 pieces left
I have to go to bed at 10:35. It is 6:30. About how many hours until I need to go to bed?
About 4 hours.
Which of these has the greatest value when rounded to the nearest ten?
89, 95, 84, or 94
95
Round each of the following numbers to the nearest hundred:
456, 465, 546, 564, 645, 654
Which two statements are true?
A. There are three numbers that round to 500.
B. The number 456 rounds to 400
C. There are 2 numbers that round to 700.
D. The number 654 rounds to 700.
E. Only 1 of the numbers rounds to 600.
A. and D.
Students were asked to explain how to round 346 to the nearest ten.
Which student gave a correct explanation?
A. Victor: The number 346 lies between 300 and 400. Halfway between these is 350. Since 346 is less than 350, it rounds to 300.
B. Evan: The number 346 lies between 340 and 350. Halfway between these is 345. Since 346 is greater than 345, it rounds to 350.
C. Nick: The number 346 has a 4 in the tens place and a 3 in the hundreds place, so 346 rounds to 340.
D. Allen: The 6 in 346 rounds the 40 to 50, and this 50 rounds the 300 to the 400. So, 346 rounds to 450.
B. Evan is correct.
Mrs. Powell bought groceries that cost $1,437. She can only pay in $100 dollar bills. How many hundred dollar bills will she use to pay her grocery bill?
15
I just got a quote from my contractor to get my bathroom remodeled. If the actual cost is going to be $5,786. About how much is it going to cost? Round to the nearest hundred.
$5,800