Division
7/903
129
70 x 39
2,730
Fill in the missing information
37 x _6 = 962
26
Don works 18 hours a week at the library. Which shows the best way to use rounding to estimate how many hours Don will work in 52 weeks?
936
2/631
315 R5
58 x 90
5,220
Which of the following is a reasonable answer for 92 x 98 ?
A. 1,816
B. 9,016
C. 18,016
D. 90,016
2,000 tickets
3/462
154
85 x 18
1,530
Ten years ago Melissa planted a tree in her backyard. She has taken a photo of it every week so she can see how it has grown as time passed. How many photos of the tree does Melissa now have?
Hint: There is 52 weeks in one year
520
Elaine is making 20 pinecone wreaths to sell at a fair. She needs 13 pinecones for each wreath. How many pinecones does she need in all?
260
A toy store receives a shipment of 17 cases of teddy bears. Use compatible numbers to estimate the number of teddy bears in the shipment. (Hint 12 teddy bears case)
204
92 x 86
7, 912
Each shelf holds 18 books. There are 12 boxes of books to put on the shelves. Each box holds 31 books. Kevin says he will need 20 shelves for all the books. Do you agree?
No, he will probably need more than 20 shelves, for the remainder of the 12 books that will not fit.
There are 21 rows in an auditorium. Each row has 42 seats. Use rounding to estimate the number of seats.
882
An ant has 6 legs. There are 870 legs in Jose's ant farm. How many ants are there in his ant farm?
145
145 x 63
9, 135
A school has two large patios. One is rectangular and is 24 feet long by 18 feet wide. The other is square and each side is 21 feet long. Which patio has a greater perimeter ?
The square patio has a greater perimeter.
A cafeteria has 12 rows of 8 tables and 10 rows of 6 tables. 100 of the tables have been cleaned. How many tables are left to clean?
156-100= 56 tables left to clean