Square, Cube, Rational and Irrational

Which number(s) is a perfect square? Select any that apply.

• 14

• 38

• 25

• 101

Tags

CCSS.6.EE.A.1

An irrational number... (select all that apply)

• Is any whole number

• Goes on forever with numbers to the right of the decimal point that are non-repeating

• Is any number that can be expressed as a ratio of two integers

• Can be a number with digits to the right of the decimal point that repeat.

Tags

CCSS.8.NS.A.1

Select all of the rational numbers.

• $\sqrt{81}$

• $\frac{2}{3}$

• $\sqrt{2}$

• $-7$

Tags

CCSS.6.NS.C.6

CCSS.6.NS.C.7

 $^3\sqrt{27}$  

• 9

• 3

• 81

• 6

Tags

CCSS.6.EE.A.1

Check all the are TRUE for perfect squares.

• Their square roots are always rational.

• Their square roots are always positive.

• Their square roots are always irrational.

• Their square roots are always even numbers.

Which of these sets of numbers contains no rational numbers?

• 12, 1/2, -13

• $\sqrt{99}$ , -3.5041..., 0.143635....

• -6, $-\sqrt{225}$ , $4\ \frac{7}{8}$

• $\sqrt{81}$ , 0.75, 0

Tags

CCSS.6.NS.C.6

CCSS.6.NS.C.7

What is the best classification for -4?

• irrational number, real number

• integer, rational number, real number

• whole number, integer, real number

• rational number, real number

Tags

CCSS.6.NS.C.6

Which of the following square roots is an irrational number?

• 
  

  $-\sqrt{16}$

• $\sqrt{64}$

• $\sqrt{8}$

• $\sqrt{\frac{1}{64}}$

Tags

CCSS.8.NS.A.1

What do we call

 $\sqrt{ }$  ?

• index

• radical symbol

• cube root

• radicand

Tags

CCSS.8.NS.A.1

Between which two whole numbers is

 $\sqrt{5}$  ?

• 1 and 2

• 3 and 4

• 2 and 3

• 4 and 5

Tags

CCSS.8.NS.A.2