Rounding
Round 4,682 to the nearest tens
4,680
Which numbers are divisible by 5?
122
235
470
681
995
235, 470, and 995
Find the average of this set of numbers
12, 16, 20
16
Fins the missing factor
5 x _ = 65
13
456 × 23
10,488
Round 135,782 to the nearest ten thousand
140,000
Which numbers are divisible by 3?
124
156
222
401
513
156, 222, and 513
Find the average of this set of numbers
18, 22, 27, 33
25
Write all the factors of 24
1, 2, 3, 4, 6, 8, 12, 24
1,575 ÷ 7
225
A stadium holds 48,763 people. Round the number of seats to the nearest thousand.
49,000 seats
6_4 is divisible by 2 and 3.
2, 5, or 8
A player scores 12, 18, 15, 20, and 10 points over five games. What is the average number of points scored per game?
About 15 points per game
Write all the factors of 60
1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60
A teacher has 1,275 stickers to give equally to 8 groups. How many stickers does each group receive, and how many are left over?
159 stickers per group; 3 stickers left over
A school collected $7,879 for a fundraiser. Round the amount to the nearest hundred dollars.
$7,900
A student says that 729 is divisible by both 3 and 9. Is the student correct? Explain why.
Yes. The digits add to (7+2+9) 18, which is divisible by both 3 and 9.
A student saves $5, $8, $7, $10, and $15 over five weeks. What is the average amount saved per week?
$9 per week
A school has 36 chairs to arrange in equal rows. What different rectangular arrangements are possible? List the factor pairs of 36
Factor pairs: (1, 36), (2, 18), (3, 12), (4, 9), (6, 6)
6,437 ÷ 21 (Answer should have a fraction)
306 11/21
A school library has 2,847 fiction books and 3,692 nonfiction books. About how many books does the library have altogether? Round each number to the nearest hundred before adding.
6,500 books
7_5 is divisible by 9.
6
The average of four numbers is 18. Three of the numbers are 12, 20, and 16. What is the fourth number?
24
A baker makes 48 cookies and places the same number in each box without leftovers. What are all the possible numbers of cookies per box?
1, 2, 3, 4, 6, 8, 12, 16, 24, or 48 cookies per box
A theater sells 1,275 tickets for each of 16 performances. How many tickets are sold altogether?
20,400 tickets