Topic 1 Review (Real Numbers)

Is √2 Irrational?

• Yes
• No

Tags

CCSS.8.NS.A.1

Which of the following contains only rational numbers?

• 2.5, .764567..., 1/2, √27
• π, √4, √16, 7.7
• 6.7, 4.45, -3, 
• 5, -4.5, √13, √-9

Tags

CCSS.6.NS.C.6

CCSS.6.NS.C.7

The √40 is between which two consecutive whole numbers?

• 7 & 8
• 4 & 5
• 5 & 6
• 6 & 7

Tags

CCSS.8.NS.A.2

Find the best estimate for √18 .
Look at the number line.

• 4.2
• 4.4
• 5.1
• 4

Tags

CCSS.8.NS.A.2

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

If the volume of a cube is 27in³, what is the length of one side of the cube?

• 3in
• 9in
• 2.7in
• 3cm

Tags

CCSS.7.EE.B.3

List the following numbers from least to greatest:

-64 , 3.5 , √27 , 6.666...

• -64 , 3.5 , √27 , 6.666...

• 3.5 , √27 , 6.666..., -64

• 3.5, -64, √27, 6.666...

• 6.666, √27, -64, 3.5

Tags

CCSS.8.NS.A.2

How would you write -5.6 x 10^-3 in standard form?

• 0.0056
• -5,600
• 0.00056
• -0.0056

Tags

CCSS.8.EE.A.3

Jamie used a microscope to measure the diameter of a hair.  She found the diameter to be 0.000072 meters.  How is this number written in scientific notation?

• 7.2 X 10⁻⁵
• 7.2 X 10⁵
• 7.2 X 10⁶
• 7.2 X 10⁻⁶

Tags

CCSS.8.EE.A.3

The diameter of the planet Mercury is
4.87 x 10³ km.  The diameter of the planet Venus is 1.21 x 10⁴ km. The diameter of the planet Mars is 
1.28 x 10³ km.   
Which planet has the smallest diameter?

• Mercury
• Mars
• Venus

Tags

CCSS.6.EE.A.1

CCSS.6.NS.C.7