Vocabulary
What is the divisor in the problem?
324 ÷ 4 = 81
4
5400 ÷ 9 =
600
Mary had 720 little lambs. She wants to put them in 8 rows. Which basic fact can Mary use to find out how many lambs will be in each row?
A. 720 ÷ 8= 90
B. 8 x 9= 72
C. 72 ÷ 8= 9
C. 72 ÷ 8 = 9
What are compatible numbers?
Numbers that are easy to complete mentally
What is the dividend in the problem?
324 ÷ 4 = 81
324
7004 ÷ 5
1400 r 8
A school spent $1,842 on 9 chrome books. Which number sentence shows the best way to estimate the amount the school spent for each chrome book?
A. 9 x $1,700 = $15, 300
B. 9 x $1,800 = $16, 200
C. 8 x $1,800= $14,400
B 9 x $1,800= $16,200
Select the answer that best shows how to use compatible numbers to estimate 267 ÷ 3
A. 260 ÷ 3= 86 r 6
B. 270 ÷ 3 = 90
C. 280 ÷ 3 = 93 r 3
B. 270 ÷ 3 = 90
What is a quotient?
The answer to a division problem
652 ÷ 4 = ?
163
Mrs. Carle and Mrs. Bene have collected 1, 156 books to donate to their school. There are 3 different classrooms that will be able to get books. How many books will each classroom get?
Which is the best equation to use to estimate the number of books, b, that each classroom will receive?
A. 1, 156 ÷ 4 = b
B. 1, 156 ÷ 3 = b
C. 1, 200 ÷ 3 = b
C. 1, 200 ÷ 3 = b
Use compatible numbers to estimate:
375 ÷ 6 =
375 ÷ 6 = 60
What is a remainder?
The amount left over that cannot be divided equally
represented by the quotient followed by the r and a number
596 ÷ 4= ?
Ariel has 96 Thingamabobs that she wants to put into 6 rows. How many thingamabobs will be in each row?
16 Thingamabobs
Part A
Use compatible numbers to estimate:
277 ÷ 7 =
Part B
Is this an over estimate or an under estimate?
280 ÷ 7 = 40
Over estimate
What are my steps of long divison?
Divide
Multiply
Subtract
Bring Down
Do it again
9963 ÷ 9
1,107
Mrs. Carle drove a total of 8,364 miles over 4 days. How many miles did she drive each day?
2, 091 miles each day
Part A
Use compatible numbers to estimate:
5952 ÷ 6 =
Part B
Is this an over estimate or an under estimate?
6000 ÷ 6 = 1, 000
Over estimate