8.NS 1 and 2

Convert  - 5 ⅙ to a decimal.

• 0.1666.....
• 1.666....
• 5.1666...
• -5.1666...

Tags

CCSS.7.NS.A.2D

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
• A rational number is a never ending never repeating decimal

Tags

CCSS.7.NS.A.2D

CCSS.8.NS.A.1

Which number is irrational?

• 9.6
• √45
• 3/8
• 3.4 x 10⁵

Tags

CCSS.8.NS.A.1

The number 0.141414141414... is

• Rational

• Irrational

• Whole

• Integer

Tags

CCSS.7.NS.A.2D

CCSS.8.NS.A.1

Write the repeating decimal as a fraction in simplest form.

• 77/25

• 77/250

• 308/9

• 308/999

Describe √2 as rational, irrational, not real, or natural. If a real number, give the approximate value.

• Rational, 1.4
• Irrational, 1.4142..
• Not real
• Natural, 1

Tags

CCSS.8.NS.A.1

Kelly is learning about rational and irrational numbers. What conclusion can she draw about the number 0.0566666...?

• Rational because it terminates
• Rational because it repeats
• Irrational because it doesn't terminate
• Irrational because it can't be written as a fraction

Tags

CCSS.7.NS.A.2D

CCSS.8.NS.A.1

Express the fraction 7/9 as a decimal.

• 0.8
• 0.88888...
• 0.7
• 0.777777...

Tags

CCSS.7.NS.A.2D

CCSS.8.NS.A.1

Write 0.35 as a fraction in simplest form.

• 35/100
• 3.5/10
• 7/20
• 3/10

Tags

CCSS.8.NS.A.1

Sarah thinks √64 is rational. Do you agree or disagree? 

• Agree, it equals 8 or -8, which terminates
• Agree, it equals 8, which terminates
• Disagree, all square roots are irrational
• Disagree, the √64 can't be writeen as a fraction.