Rounding and Multiplication Techniques
Interactive Video
•
Mathematics
•
6th - 7th Grade
•
Practice Problem
•
Hard
Thomas White
FREE Resource
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16 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the main concept introduced in the video?
Multiplying numbers using rounding
Adding numbers using rounding
Dividing numbers using rounding
Subtracting numbers using rounding
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the rounded value of 21 in the first example?
15
20
30
25
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why is 143 rounded to 140 in the first example?
Because 140 is a multiple of 20
Because 140 is closer to 143
Because 140 is easier to multiply
Because 140 is a round number
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the difference between 21 and its rounded value?
2
1
3
4
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How is the difference used in the calculation?
It is subtracted from the rounded number
It is added to the original number
It is multiplied by the other difference
It is multiplied by the factor of the rounded number
6.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
What is the final product of 21 and 143 using this method?
3,003
3,003
3,000
3,006
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the first step in the second example?
Rounding the larger number
Calculating the differences
Multiplying the rounded numbers
Rounding the smaller number
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