Finding a number that is close to the exact amount.
Estimating
39/4
10
Jane drove 49 miles each hour for 5 hours. What is the best estimate of the total distance she drove in 5 hours.
250 miles
851/2
425 R1
Mr. Feger has a huge family. They are going on camping trip! He has 323 total people going. If each van holds 6 people, how many vans does he need to rent.
54 vans
Numbers that are easy to compute (multiply or divide)
Compatible numbers
1,543/5
What is 300?
The pet store had 4 rows of cages for dogs with 9 cages in each row. When I went to the pet store there were only 5 empty cages. How many cages had dogs in them?
31 cages
52,456/21
2,497 R19
Shelby and Ellie are cutting ribbon into 4 foot pieces for a craft project. How many FULL pieces can she cut from the 54 foot roll?
13 pieces
The amount left over when a number cannot be divided evenly.
Remainder
545/11=
What is 50?
Noah packed $10 in his wallet for the movies. The movie was $5.25. He also bought a candy bar for $1.75. How much money did he have left?
$3
521/4
130 R1
There are 453 people that tried out for the football team. The coach separated them into teams of 9. How many football players will have to sit out?
3 people will have to sit out
A number that is evenly divisible has no ___________.
Remainder
601/3
200
Caprice packed 3 boxes. The least number of toys she put in each box was 18 and the greatest was 22. What is a reasonable estimate of toys Caprice packed.
About 60 toys
834/3
278
Tina, Kari and Katie won $321 dollars. If they want to split the money evenly, how much money would each person get?
$107 each
The dividend is divided by the _________
Divisor
912/10=
90
Mrs Eckhoff is displaying art projects in the hall. There are 25 art projects. She wants to hang the projects so the same number of projects are hanging across as down. How many are in one row?
5 pictures per row
344/7
49 R1
The girl scouts are trying organize tables for an art show. They have 45 tables in storage. Each table can display 3 art projects. If there are 83 art projects that need to go on display, how many tables should they pull out of the storage?
28 tables