8th Grade 1st Grading Period 2024

Which Venn diagram correctly describes the relationship between Set R and Set W?

R = {real numbers} W = {whole numbers}

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Four numbers are shown. Which list shows the numbers in order from greatest to least?

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If water is heated to a temperature that reaches close to 2.7 x 10 degrees Fahrenheit. Which of the following represents this temperature in standard notation?

• 270° F

• 27° F

• 0.27° F

• none of the above

What value of x makes this equation true? 2x + 9 - 4x = x - 12

• 7

• -21

• -1

• 3

• between 9 units and 10 units

• between 43 units and 45 units

• between 8 units and 9 units

• between 88 units and 90 units

• 26

• 30

• 35

• 27

Paula completely covered a square wall using 87.5 ft² of wallpaper without any overlap. Which measurement is closest to the side length of this wall in feet?

• 22 ft

• 44 ft

• 9 ft

• 7 ft

The table shows the completion times of four runners in a race.

Which list shows the runners in order by their completion times from slowest to fastest?

• Patty, Joe, Steve, Ellen

• Ellen, Joe, Steve, Patty

• Ellen, Steve, Joe, Patty

• Patty, Steve, Joe, Ellen

The diameter of a blood cell is measured in micrometers. A micrometer is 0.0000012 meter. What is the value of the exponent when this number is written in scientific notation?

Mathematical Equivalence

OFF

What value of x makes this equation true?

12x - 15 = 6 - 3x