Estimating the Value of Irrational Square Roots
Interactive Video
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Emma Peterson
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Mathematics
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6th - 8th Grade
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10 plays
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Medium
08:10
10 questions
Show answers
1.
Multiple Choice
What is an irrational number?
A number that can be written as a fraction
A number with a repeating decimal pattern
A number that cannot be written as a fraction
A number that does not have a decimal
2.
Multiple Choice
Which of the following is an example of an irrational number?
0.333...
Square root of 2
Square root of 4
2/5
3.
Multiple Choice
How can we estimate the square root of 10?
Multiplying 2 and 5
Assuming it's 10
Comparing with square roots of 9 and 16
Using a calculator only
4.
Multiple Choice
What is a good estimate for the square root of 10?
Exactly 3.5
Between 4 and 5
Less than 3
3.1 or 3.2
5.
Multiple Choice
When estimating the square root of 38, why do we count up to 49?
Random selection
Because 49 is a perfect square
To make calculation easier
Because 38 is too small
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