
Calculating Square Roots Mentally
Interactive Video
•
Mathematics
•
9th - 10th Grade
•
Practice Problem
•
Hard
Thomas White
FREE Resource
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11 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the main focus of the video by Preshtalwalker?
Calculating cube roots using a calculator
Learning to calculate square roots of perfect squares mentally
Understanding the history of Roman numerals
Solving complex algebraic equations
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why was the skill of calculating square roots mentally important in 1876?
It was used in art and design
Calculators were not available
It was a requirement for all jobs
It was a popular hobby
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the first step in the method taught in the video for calculating square roots?
Drawing a number line
Using a calculator
Memorizing the cubes of numbers
Memorizing the squares of numbers from 0 to 9
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In the example of calculating the square root of 1600, what is the last digit of the square root?
0
4
8
6
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
For the square root of 4225, what is the last digit of the square root?
7
5
9
2
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
When calculating the square root of 841, which two numbers are considered for the last digit?
1 and 3
4 and 6
2 and 8
1 and 9
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the square root of 3969?
63
62
64
61
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