Unit 1A Real Number Systems Pretest

(8.NS.1 L1) What is an example of an irrational number?

• -2/3

• .75575557654..

• 23

• 0

Tags

CCSS.8.NS.A.1

(8.NS.1 L1) A decimal that stops is which type of number? Example: 2.75

• Rational

• Irrational

Tags

CCSS.8.NS.A.1

(8.EE.2 L1, 8.NS.1 L1) What type of number is √2?

• Rational

• Irrational

• Integer

• Imaginary

Tags

CCSS.8.EE.A.2

CCSS.8.NS.A.1

CCSS.8.NS.A.2

(8.EE.2 L1) 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

(8.NS.1 L2) A number can be rational and irrational.

• True

• False

Tags

CCSS.8.NS.A.1

(8.EE.2 L2) Evaluate √169

• 15

• 13

• 14

• 16

Tags

CCSS.8.EE.A.2

(8.EE.2 L2) What is the cube root of 125?

• 5

• -5

• 25

• -25

Tags

CCSS.8.EE.A.2

(8.EE.2 L2) What number, n, cubed is equal to 512?

n³ = 512

• 8

• 171

• 7

• 134,217,728

Tags

CCSS.8.EE.A.2

(8.NS.1 L3) Write 0.78787878... as a fraction.

• 78 / 99

• 7.8 / 9

• 78 / 100

• 7 8/9

Tags

CCSS.8.NS.A.1

(8.NS.1 L3) A repeating decimal or decimal that terminates is called a

• Natural Number

• Irrational Number

• Rational Number

• Whole Number

Tags

CCSS.8.NS.A.1