Rounding to Estimate Quotients
Word Problems
Vocabulary
Review Mental Math
Closest Compatible Numbers
100
48 ÷ 5
What is 10
100
On Saturday afternoon, 350 people attened a play. The seating was arranged in 7 equal rows. How many people sat in each row?
What is 50 people?
100
Quotient
What is the answer to a division problem?
100
36 ÷ 4 = 9 360 ÷ 4 = 90 3,600 ÷ 4 = 900 36,000 ÷ 4 = ?
What is 9,000
100
Solve using the closest compatible number that will make the problem easier with basic facts, 742 ÷ 8 =
What is 90? 742 ÷ 8 = Closest Compatiable Number 720 ÷ 8 = 90
200
235 ÷ 8
What is 40?
200
You know that 25 ÷ 5 = 5, how does that fact help you find 250 ÷ 5?
What is by knowing 25 ÷ 5 = 5 you can just add a zero to your quotient because there is one zero is 250.
200
Underestimate
What is to estimate an answer that is less then the real answer.
200
160 ÷ 2 =
What is 80?
200
Solve using the closest compatible number that will make the problem easier with basic facts, 149 ÷ 5 =
What is 30? 149 ÷ 5 = Compatible 150 ÷ 5 = 30
300
543 ÷ 6
What is 90?
300
There are 12 Months in 1 year, therefore there are 1200 months in _____ Years.
What is 100 years?
300
Dividend
What is the number that is being divided?
300
320 ÷ 8 =
What is 40?
300
Solve using the closest compatible number that will make the problem easier with basic facts, 826 ÷ 9 =
What is 90? 826 ÷ 9 = Compatible 810 ÷ 9 = 90
400
196 ÷ 5
What is 40?
400
You jog 26 miles in 6 days ABOUT how many miles do you jog each day? A. ABOUT 20 Miles B. ABOUT 10 Miles C. ABOUT 4 Miles D. ABOUT 6 Miles
What is C. About 4 Miles?
400
Overestimate
What is to estimate an answer the is greater than the real answer?
400
4,800 ÷ 6 =
What is 800?
400
Solve using the closest compatible number that will make the problem easier with basic facts, 921 ÷ 3 =
What is 300? 921 ÷ 3 Compatible number 900 ÷ 3 = 300
500
362 ÷ 3
What is 120?
500
Max has 630 rubber bands that he wants to make into 7 balls. He will use _____ rubber bands for each ball/
What is 90 rubber bands?
500
Divisor
What is the number by which another number is being divided?
500
63,000 ÷ 7 =
What is 9,000?
500
Solve using the closest compatible number that will make the problem easier with basic facts, 652 ÷ 6 =
What is 110? 652 ÷ 6 = Compatible 660 ÷ 6 = 110
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