Mastering Square Numbers and Roots

Mastering Square Numbers and Roots

8th Grade

15 Qs

quiz-placeholder

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Mastering Square Numbers and Roots

Mastering Square Numbers and Roots

Assessment

Quiz

Mathematics

8th Grade

Practice Problem

Easy

CCSS
8.EE.A.2, 6.EE.A.1, 8.NS.A.2

Standards-aligned

Created by

Mani Wangdi

Used 3+ times

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15 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the square of 12?

100

1440

144

120

Answer explanation

The square of a number is found by multiplying the number by itself. For 12, this is 12 x 12 = 144. Therefore, the correct answer is 144.

Tags

CCSS.8.EE.A.2

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Identify if 49 is a square number.

49 is a prime number.

Yes, 49 is a square number.

No, 49 is not a square number.

49 is a cube number.

Answer explanation

49 is a square number because it can be expressed as 7 x 7. Therefore, the correct answer is 'Yes, 49 is a square number.'

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the square root of 144?

10

14

12

16

Answer explanation

The square root of 144 is the number that, when multiplied by itself, equals 144. Since 12 x 12 = 144, the correct answer is 12.

Tags

CCSS.8.EE.A.2

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Is 50 a perfect square?

No

25

100

Yes

49

Answer explanation

50 is not a perfect square because there is no integer that, when multiplied by itself, equals 50. The closest perfect squares are 49 (7x7) and 64 (8x8). Therefore, the correct answer is No.

Tags

CCSS.6.EE.A.1

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Solve for x: x² = 64.

x = 4

x = 0

x = -4

x = 8, x = -8

Answer explanation

To solve x² = 64, take the square root of both sides. This gives x = ±8. Therefore, the correct answers are x = 8 and x = -8.

Tags

CCSS.8.EE.A.2

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Estimate the square root of 50.

8.0

6.5

7.5

7.07

Answer explanation

The square root of 50 is approximately 7.07. This is because 7.07 x 7.07 = 49.5049, which is close to 50. The other options are either too high or too low, making 7.07 the best estimate.

Tags

CCSS.8.NS.A.2

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the square of 8?

80

64

32

48

Answer explanation

The square of a number is found by multiplying the number by itself. For 8, this is 8 x 8 = 64. Therefore, the correct answer is 64.

Tags

CCSS.6.EE.A.1

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