Estimation
Problem Solving
Place Value
Division
Multiplication
100
Estimate the quotient.
393/42
10
100
What is the answer to a division problem called?
Quotient.
100
What number represents 4 tenths and 3 thousandths?
A) 40.003
B) 40.03
C) 400.003
D) 400.3
A) 40.003
100
Divide. Use partial quotients.
653/42
13R7
100
The answer to a multiplication sentence is what?
Product
200
Find the estimated quotient.
24/1,847
100
200
Leon has 1,353 bottle caps in his collection. He decides to divide them evenly among 47 boxes. How many bottle caps will Leon have left over?
37
200
How many tens are in 87.284?
8
200
Divide.
372/2216R20
200
2,796X6=
16,776
300
Alec needs to save $376. He plans to rake fall leaves for $12 per lawn. Write an estimate that shows the number of lawns he will need to rake. Compatible numbers will be helpful.
30 lawns
300
Mr. Lee's science class needs 250 large clips for a project. The clips come in boxes of 24. How many boxes of clips will the class need for the project?
11 boxes
300
A rover brings 144 rock samples back from Mars. The samples will be divided among 12 teams of scientists for analysis. Which quick picture shows the correct division of the samples between the 12 teams?
A)
B)
C) 
D) 
A
300
Divide.
9144/27
338R18
300
571x38=
21,698
400
What are compatible numbers?
Numbers that are easy to do mental math with. usually they end in 0 or 5
400
The city has 7,204 recycle bins. The city gives half of the recycle bins to its citizens. The rest of the recycle bins are divided into 23 equal groups for city parks. How many recycle bins are left over?
14
400
Sandy has started a stamp collection. She has 3 stamps in one box. 0.4 stamps in another. 0.05 stamps in the third box and 0.008 in the last box. how many stamps does she has all together?
3.458 stamps
400
Divide.
6078/88
69R6
400
957x43=
41,151
500
Mr. Rodriguez's construction company built an office building that is 1,848 feet tall. Each floor of the building is 14 feet high. About how many floors are in the building?
200
500
Max delivers 8,520 pieces of mail in one year. How many pieces of mail are delivered in two months?
1,420
500
On a special scale in the science lab, Scott weighed samples of different kinds of soil. Sample A weighed 3 ounces. Sample B weighed 814 thousandths of an ounce. If Scott weighted the samples together what would the total weight be?
3.814 ounces
500
Divide.
946/78
12R10
500
658x124=
81,592