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Understanding Square Roots and Number Lines

Understanding Square Roots and Number Lines

Assessment

Interactive Video

Mathematics

6th - 8th Grade

Practice Problem

Hard

Created by

Thomas White

FREE Resource

Emma Reed, an 8th grade math teacher, guides students through a lesson on the Pythagorean theorem and irrational numbers, focusing on reasoning about square roots. The lesson includes exploring numbers on a number line, plotting values, and understanding positive and negative square roots. Students are encouraged to reflect on how a number can have more than one square root, using various math tools and reasoning skills.

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the main focus of the lesson introduced by Emma Reed?

Understanding fractions

Reasoning about square roots

Learning about addition

Exploring multiplication

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following numbers would fall between 8 and 10 on a number line?

7

11

Square root of 9

Square root of 70

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What tool does Emma suggest for creating a number line?

khanacademy.org

apps.mathlearningcenter.org

mathisfun.com

calculator.com

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In the equation x squared equals 49, what are the possible values of x?

7 and -7

Only 7

Only -7

49 and -49

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What does the equation x squared equals a positive number have?

No solutions

Two solutions

Infinite solutions

One solution

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What are the two solutions for the equation m squared equals 121?

11 and -11

12 and -12

13 and -13

10 and -10

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Where should the negative square root of 2 be placed on a number line?

Between -2 and -1

Between 1 and 2

Between 0 and 1

Between -1 and 0

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