Estimating Square Roots Manually

Estimating Square Roots Manually

Assessment

Interactive Video

Mathematics

9th - 10th Grade

Practice Problem

Hard

Created by

Jennifer Brown

FREE Resource

5 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the first step in estimating the square root of a number manually?

Identify two perfect square numbers that enclose the number.

Guess the value based on intuition.

Use a calculator to find the exact value.

Multiply the number by itself.

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How do you find the midpoint between two perfect squares?

Add the two numbers and divide by two.

Subtract the smaller number from the larger number.

Multiply the two numbers together.

Divide the larger number by the smaller number.

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Why is it important to use a number line when estimating square roots manually?

It is required for all mathematical calculations.

It helps visualize the position of the number between perfect squares.

It makes the calculation faster.

It provides an exact value for the square root.

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the approximate square root of 66 based on the instructor's method?

8.5

7.5

8.1

9.0

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the actual square root of 66 when calculated using a calculator?

8.10

8.12

8.20

8.15

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