Rational Number Operations (6th CCSS)

1. Maryanne is making a friendship necklace at summer camp using 1.6 cm beads. What is a reasonable estimate for the length if she uses 24 beads?

• A. 22.4 cm
• B. 40 cm
• C. 33.8 cm
• D. 38.4 cm

2. Marcy will earn 3 reward points for each movie she attends. Which equation represents the relationship between y, the total points, and x the number of movies?

• A. y = 3x
• B. y = -3x
• C. x = 3y
• D. x = -3y

3. On a radio morning show, every 12th caller receives concert tickets, and every 16th caller receives an autographed album. What caller number will receive both?

• A. 24
• B. 192
• C. 48
• D. 84

4. Mrs. Barker displays a math problem on the white board. Which of the following expressions is also equal to the problem on the white board?

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5. The number line below represents the solution to which inequality?

• A. x + 8 ≥ 15
• B. x + 8 ≤ 15
• C. x – 8 ≤ 15
• D. x – 8 ≥ 15

6. Which of the following equations does the model below represent?

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7. A local food bank is creating Thanksgiving baskets. There are 72 cans of green beans, 96 cans of corn, and 48 cans of pumpkin. What is the greatest number of baskets that can be filled equally?

• A. 9
• B. 15
• C. 18
• D. 24

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9. Point K is reflected across the x-axis. Which of the following points best represents K’?

• A. point M
• B. point N
• C. point O
• D. point P

10. The parent teacher association is raising money for a new swing set. They need $682.56 to purchase the swing set and receive a $200.00 donation. The remaining amount will be equally divided among 8 different student groups to raise. How much money will each student group need to raise in order to purchase the swing set?