8th Math STAAR Review 2

The set of rational numbers includes all the following except...

• -42

• 5/0

• 0

• 14.7

Order 3π, √ 10 , and 3.25 from greatest to least.

• √ 10, 3π, 3.25

• √ 10, 3.25, 3π

• 3π, 3.25, √ 10

• 3.25, √ 10, 3π

Point B could represent which of the following numbers?

• √24

• √30

• √35

• √42

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

Which list of numbers is in order from least to greatest?

• A √23, 5, 6, 43%

• B 5, √23, 6, 43%

• C 43%, 5, √23, 6

• D 43%, √23, 5, 6

Tags

CCSS.8.NS.A.2

Express the following in standard notation:

8.025 x 10^-8

• .00000008025

• .000000008025

• 802,500,000,000

• 80,250,000,000

Find the height of the tree.

• 8 ft

• 12 ft

• 13 ft

• 15 ft

Tags

CCSS.HSG.SRT.B.5

If the scale factor is less than one, the new figure will be

• an enlargement

• a reduction

• a scale factor

• bigger

Which algebraic rule was used to dilate rectangle ABCD to A'B'C'D'?

• (x,y)→(1/2x,1/2y)

• (x,y)→(2x, 2y)

• (x,y)→(3x, 3y)

• (x,y)→(4x, 4y)

What is the algebraic representation for this dilation?

• ( x , y ) --> ( 2 x , 2 y )

• ( x , y ) --> ( x -2 , y -2 )

• ( x , y ) --> ( x +2 , y + 2 )

• ( x , y ) --> ( 1/2 x , 1/2 y )

Tags

CCSS.HSG.CO.A.2