Unit 1 Quick Check

Which of the following is an irrational number?

• 0.333

• $\sqrt{8}$

• $\sqrt{49}$

• $\frac{5}{22}$

Tags

CCSS.8.NS.A.1

Convert 2/25 from a fraction to a decimal

• 2.25
• .25
• .8
• .08

Tags

CCSS.6.NS.A.1

Which fraction converts to a repeating decimal?

• $\frac{4}{5}$

• $\frac{2}{9}$

• $\frac{5}{8}$

• $\frac{1}{10}$

Tags

CCSS.8.NS.A.1

CCSS.7.NS.A.2D

Which numbers falls between  $9\frac{3}{4}$  and 10 on a number line?

•  $\sqrt{99}$  

•  $\frac{9}{10}$  

•  $4\pi$  

• 8.5

Tags

CCSS.6.NS.C.7A

CCSS.6.NS.C.7B

When writing a number in scientific notation, the first number must be greater than 1, but less than 10.

• False
• True

Tags

CCSS.8.EE.A.3

Write 3.5 x 10⁶  in standard notation.

• 0.0000035
• 35,000,000
• 3,500,000
• 0.00000035

Tags

CCSS.8.EE.A.3

Which of the following is correct scientific notation?

• 20.35 x 10⁴
• .2035 x 10⁴
• 2035 ⁴
• 2.035 x10⁴

Tags

CCSS.8.EE.A.3

Express the following in standard notation:
8.025 x 10^-8

• .00000008025
• .000000008025
• 802,500,000,000
• 80,250,000,000

Tags

CCSS.8.EE.A.3

Write 7.113 x 10⁷ in standard form.

• 71,130,000
• 7,113,000
• 0.0000007113
• 7,113

Tags

CCSS.8.EE.A.3

Write 0.000972 in scientific notation.

• 9.72 x 10^-4
• 9.72 x 10^-3
• 972 x 10^-4
• 9.72 x 10⁴

Tags

CCSS.6.EE.A.1