What is the first step in solving word problems according to the lesson?
Estimating to Check the Reasonableness of Your Answer in Word Problems

Interactive Video
•
Mathematics, Social Studies
•
1st - 6th Grade
•
Hard
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7 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Write an equation
Draw a picture
Read the problem
Estimate the answer
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which estimation strategy involves rounding each number to the nearest whole number?
Clustering
Using friendly numbers
Front-end estimation
Rounding
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
When is clustering most effective as an estimation strategy?
When numbers are prime
When numbers are very small
When numbers are very large
When numbers are close to each other
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What are friendly numbers?
Numbers that are easy to compute mentally
Numbers that are prime
Numbers that are always even
Numbers that are always odd
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In the carpet problem, what was the estimated area of the room using friendly numbers?
250 square feet
200 square feet
275 square feet
300 square feet
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How much was the estimated cost of carpeting the room using rounded numbers?
$850
$800
$700
$750
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why is it important to check the reasonableness of your answer?
To verify the answer makes sense
To ensure the answer is exact
To make the problem easier
To avoid using a calculator
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