Square Roots and Rational Numbers

Is √2 Irrational?

• Yes

• No

Tags

CCSS.8.NS.A.1

The square root of 57 is ...

• rational 

• irrational 

Tags

CCSS.8.NS.A.1

What is a rational number ?

• A rational number  is a number that cannot be written as a fraction.

• A rational number is a number that can be written as a fraction.

• A rational number cannot be a repeating  decimal.

Tags

CCSS.5.NBT.A.2

A decimal that stops is which type of number? Example: 2.75

• Rational

• Irrational

Which of the following best defines rational numbers?

• numbers that can be written as a fraction or decimal that either terminates or continues forever in a repeating pattern

• numbers that make sense

• numbers that go on forever and ever with out a repeating pattern

• numbers cannot be written as a fraction

Tags

CCSS.8.NS.A.1

CCSS.7.NS.A.2D

In between what two integers is the square root of 77?

• 5 and 6

• 6 and 7

• 7 and 8

• 8 and 9

Tags

CCSS.8.NS.A.2

In between what two integers is the square root of 44?

• 3 and 4

• 4 and 5

• 5 and 6

• 6 and 7

Tags

CCSS.8.NS.A.2

What is a square root, and how do you calculate it? Use the above problem as an example.

Tags

CCSS.8.EE.A.2

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

• 14

• 38

• 25

• 101

Tags

CCSS.8.EE.A.2