
Proportional Relationships Flashcard
Flashcard
•
Mathematics
•
7th Grade
•
Practice Problem
•
Hard
Standards-aligned
Felisa Ford
FREE Resource
Student preview

10 questions
Show all answers
1.
FLASHCARD QUESTION
Front
A recipe uses 3 cups of flour to make 12 cookies. Using a ratio table, how many cups of flour are needed to make 36 cookies?
Back
9 cups
Answer explanation
To find the flour for 36 cookies, set up a ratio: 3 cups for 12 cookies. For 36 cookies, multiply both sides by 3 (36/12). Thus, 3 cups x 3 = 9 cups of flour are needed.
Tags
VA.MATH.7.CE.2.a
2.
FLASHCARD QUESTION
Front
If 5 notebooks cost $15, use a ratio table to determine the cost of 8 notebooks.
Back
$24
Answer explanation
To find the cost of 8 notebooks, set up a ratio: 5 notebooks = $15. The cost per notebook is $3. For 8 notebooks, multiply 8 by $3, which equals $24. Thus, the correct answer is $24.
Tags
VA.MATH.7.CE.2.a
3.
FLASHCARD QUESTION
Front
A car travels 120 miles in 2 hours. Using a ratio table, how far will it travel in 5 hours at the same speed?
Back
300 miles
Answer explanation
The car travels 60 miles per hour (120 miles / 2 hours). In 5 hours, it will travel 60 miles/hour * 5 hours = 300 miles. Thus, the correct answer is 300 miles.
Tags
VA.MATH.7.CE.2.a
4.
FLASHCARD QUESTION
Front
A store sells 4 apples for $2. How much would 10 apples cost?
Back
$5
Answer explanation
The cost of 4 apples is $2, so 1 apple costs $0.50. For 10 apples, the cost is 10 x $0.50 = $5. Therefore, the correct answer is $5.
Tags
VA.MATH.7.CE.2.a
5.
FLASHCARD QUESTION
Front
Back
21
Answer explanation
To solve \( \frac{7}{21} = \frac{x}{63} \), cross-multiply: \( 7 \times 63 = 21 \times x \). This gives \( 441 = 21x \). Dividing both sides by 21, we find \( x = 21 \). Thus, the correct answer is 21.
Tags
VA.MATH.7.CE.2.b
6.
FLASHCARD QUESTION
Front
If 6 pencils cost $4, how much would 15 pencils cost?
Back
$10
Answer explanation
To find the cost of 15 pencils, set up the proportion: 6 pencils / $4 = 15 pencils / x. Cross-multiply to get 6x = 60. Solving for x gives x = $10. Thus, 15 pencils cost $10.
Tags
VA.MATH.7.CE.2.b
7.
FLASHCARD QUESTION
Front
A map shows that 1 inch represents 50 miles. If two cities are 3.5 inches apart on the map, how many miles apart are they in real life?
Back
175 miles
Answer explanation
To find the real distance, set up the proportion: 1 inch/50 miles = 3.5 inches/x miles. Cross-multiply to get x = 3.5 * 50 = 175 miles. Thus, the cities are 175 miles apart.
Tags
VA.MATH.7.CE.2.b
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