Proportional Relationships (7th TEKS)

1. Todd plans to swim 18 laps in the pool. Each lap is 50 yards. So far, Todd has swam 738 yards. What percentage of the total has Todd completed?

• A. 18%
• B. 82%
• C. 62%
• D. 77%

2. In a box of cereal, the ratio of oat squares to marshmallows is 5:2. There are 450 oat squares in the box. How many marshmallows are in the box?

• A. 90
• B. 180
• C. 900
• D. 1,125

• A. 4.5 miles
• B. 6 miles
• C. 11.5 miles
• D. 13.5 miles

4. The data below was collected from a random sample of 80 students regarding their fitness habits. If the entire school has 600 students, then what is a reasonable estimate for the number of students who consider themselves to have an average fitness habit?

• A. 175
• B. 120
• C. 280
• D. 330

5. Logan used magnetic tiles to build a track that is 52 centimeters long. There are 2.54 centimeters in 1 inch. Which measurement is closest to the length of the track in inches?

• A. 132.08 in
• B. 17.33 in
• C. 20.47 in
• D. 21.12 in

6. Edgar pays $67.86 for 7.8 pounds of fertilizer. What is the price per pound of fertilizer?

• A. $6.98
• B. $5.65
• C. $8.70
• D. $10.26

7. Which diagram correctly depicts the relationship between rational numbers and integers?

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8. The price of a tablet was increased from $180 to $207. By what percentage was the price of the tablet increased?

• A. 33%
• B. 8%
• C. 27%
• D. 15%

9. Miguel measures 5 kg of rice. One kilogram is approximately equal to 2.2 pounds. Which measurement is closest to the number of pounds of rice?

• A. 2.5 lbs
• B. 7 lbs
• C. 11 lbs
• D. 14.2 lbs

10. Janice is painting a portion of a gymnasium court. If Janice paints the shaded area, then how many square feet will she paint?

• A. 527.58 ft²
• B. 861.7 ft²
• C. 439.04 ft²
• D. 378.6 ft²