Rational Irrational Numbers Square Roots and Cube Root

Estimate the square root.

• 7

• 8

• 9

• 10

Tags

CCSS.8.NS.A.2

An imperfect square is a number whose square root is ___________.

• Even

• irrational

• Rational

• Odd

Tags

CCSS.8.NS.A.1

Mr. Cleaves wrote four irrational numbers on the SMART board and asked Saul to choose the number closest to 4. Which irrational number should Saul choose?

• √8

• √17

• √12

• √10

Tags

CCSS.8.NS.A.2

Evaluate
√36

• 6

• -9

• 18

• -18

Tags

CCSS.8.EE.A.2

If I know the area of a square, how do I find the side length?

• I square the area.

• I divide the area by 2.

• I take the square root of the area.

• I divide the area by 4.

Tags

CCSS.8.EE.A.2

The area of a square is 117 square meters. Which best represents the length of a side of the square? 

• 10.8 m

• 11 m

• 10 m

• 11.2 m

Tags

CCSS.8.NS.A.2

Estimate √50. Round your answer to the nearest Whole Number. 

• 5

• 10

• 25

• 7

Tags

CCSS.8.NS.A.2

Evaluate √72. Round your answer to the nearest Whole Number. 

• 7.2

• 7

• 8

• 9

Tags

CCSS.8.NS.A.2

Numbers that can be written as a fraction are called ______ numbers.

• Rational

• Irrational

• Fractions

• Integers