RC 1 STAAR Review

 A rocket travels at a speed of 400,000 meters per second. Write its speed in scientific notation.

• 40 x 10⁴

• 4 x 10 ⁵

• 400000

• 4 x 10⁶

Tags

CCSS.8.EE.A.3

A bacterium measures 0.000625 millimeters in diameter. Express its diameter in scientific notation.

• 625 x 10³

• 62.5 x 10⁵

• 62.5 x 10^-5

• 6.25 x 10^-4

Tags

CCSS.8.EE.A.3

The distance between two galaxies is 8,900,000,000 light-years. Write this distance in scientific notation.

• 89 x 10⁸

• 8.9 x 10⁹

• 890000 x 10⁴

• 89 x 10^-8

Tags

CCSS.8.EE.A.3

The temperature at three different locations are -3/6°C, √2°C, and -0.75°C. Arrange them from the coldest to the warmest.

• -3/6, √2, and -0.75

• -3/6, -0.75, √2

• -0.75, -3/6, √2

• √2, -3/6, -0.75

Tags

CCSS.6.NS.C.7A

CCSS.6.NS.C.7B

Sarah baked four types of pies: apple (1.25 lbs), pumpkin (-3/2 lbs), pecan (-√3 lbs), and cherry (-7/4 lbs). Arrange them from the heaviest to the lightest.

• 1.25, -3/2, -√3, -7/4

• -3/2, -√3, -7/4, 1.25

• -7/4, 1.25, -3/2, -√3

• -7/4, -√3, -3/2, 1.25

Tags

CCSS.6.NS.C.7A

CCSS.6.NS.C.7B

0 is a ...

• natural number

• whole number

• integer

• rational

6/8 is a...

• whole number

• natural number

• integer

• rational number

1. Arrange the following rational numbers from greatest to least:

2. -0.2, 3/5, -0.25, -7/10

• 3/5, -0.2, -0.25, -7/10
• -0.25, -0.2, 3/5, -7/10
• -7/10, -0.25, -0.2, 3/5
• 3/5, -0.25, -0.2, -7/10

Tags

CCSS.6.NS.C.7A

CCSS.6.NS.C.7B

Convert to scientific notation.

12,345,678

• 12.345678 x 10^6
• 123.45678 x 10^5
• 0.12345678 x 10^8
• 1.2345678 x 10^7

• whole number

• counting number

• integer

• irrational