SAT Math Flashcards: Rates

What this deck covers

This deck focuses on Rates, giving you a quick way to review the definitions, rules, and examples that matter most for SAT Math.

How to use these flashcards

Work through these flashcards in short sessions. Try to answer each prompt before flipping the card, then revisit any cards you miss until the explanation feels automatic.

Flashcard 1: Calculate the unit rate: 240 pages in 4 hours.

Answer: 60 pages per hour. Divide $240 \div 4 = 60$ pages per hour.

Flashcard 2: State the unit rate: 80 km in 4 hours.

Answer: 20 km per hour. Divide $80 \div 4 = 20$ km per hour.

Flashcard 3: Find the rate for 500 liters in 10 minutes.

Answer: 50 liters per minute. Divide $500 \div 10 = 50$ liters per minute.

Flashcard 4: Find the unit rate: 75 km in 1.5 hours.

Answer: 50 km per hour. Divide $75 \div 1.5 = 50$ km per hour.

Flashcard 5: What is the unit rate for 120 dollars in 4 hours?

Answer: 30 dollars per hour. Divide $120 \div 4 = 30$ dollars per hour.

Flashcard 6: What is the unit rate for 120 dollars in 4 hours?

Answer: 30 dollars per hour. Divide $120 \div 4 = 30$ dollars per hour.

Flashcard 7: Calculate the rate for 200 liters in 5 minutes.

Answer: 40 liters per minute. Divide $200 \div 5 = 40$ liters per minute.

Flashcard 8: Calculate the unit rate: 240 pages in 4 hours.

Answer: 60 pages per hour. Divide $240 \div 4 = 60$ pages per hour.

Flashcard 9: What is the rate if 240 units are produced in 8 hours?

Answer: 30 units per hour. Divide total units by total time: $240 ÷ 8 = 30$.

Flashcard 10: What is the formula for calculating speed?

Answer: $Speed = \frac{\text{Distance}}{\text{Time}}$. Distance divided by time gives rate of motion.

Flashcard 11: Determine the rate: $15 for 3 pounds of oranges.

Answer: Rate is $5 per pound. Calculated by dividing $$ 15 \div 3 = \$$5 per pound.

Flashcard 12: If a car travels at 60 mph, how far does it travel in 1.5 hours?

Answer: 90 miles. Multiply rate by time: $60 × 1.5 = 90$.

Flashcard 13: Find the unit rate for 90 miles in 3 hours.

Answer: 30 miles per hour. Divide $90 \div 3 = 30$ miles per hour.

Flashcard 14: Calculate the rate: 150 miles in 3 hours.

Answer: 50 mph. Divide total distance by total time: $150 ÷ 3 = 50$.

Flashcard 15: Calculate the rate: 144 miles in 3 hours.

Answer: 48 miles per hour. Divide $144 \div 3 = 48$ miles per hour.

Flashcard 16: Determine the unit rate: 300 miles in 6 hours.

Answer: 50 miles per hour. Divide $300 \div 6 = 50$ miles per hour.

Flashcard 17: State the rate: 60 pages in 2 hours.

Answer: 30 pages per hour. Divide $60 \div 2 = 30$ pages per hour.

Flashcard 18: Determine the rate: 6 liters in 3 minutes.

Answer: 2 liters per minute. Divide $6 \div 3 = 2$ liters per minute.

Flashcard 19: What is the formula for calculating growth rate?

Answer: $Growth Rate = \frac{\text{Change in Value}}{\text{Original Value}}$. This formula calculates percent change relative to the starting value.

Flashcard 20: Determine the rate: $15 for 3 pounds of oranges.

Answer: Rate is $5 per pound. Calculated by dividing $$ 15 \div 3 = \$$5 per pound.

Flashcard 21: Calculate the rate for 200 liters in 5 minutes.

Answer: 40 liters per minute. Divide $200 \div 5 = 40$ liters per minute.

Flashcard 22: Calculate the unit rate: 100 miles in 5 hours.

Answer: 20 miles per hour. Divide $100 \div 5 = 20$ miles per hour.

Flashcard 23: Calculate the rate for 240 pages in 8 hours.

Answer: 30 pages per hour. Divide $240 \div 8 = 30$ pages per hour.

Flashcard 24: What is the unit rate for 30 dollars in 5 hours?

Answer: 6 dollars per hour. Divide $30 \div 5 = 6$ dollars per hour.

Flashcard 25: State the rate: 60 pages in 2 hours.

Answer: 30 pages per hour. Divide $60 \div 2 = 30$ pages per hour.

Flashcard 26: What is the unit rate for 180 km in 2 hours?

Answer: 90 km per hour. Divide $180 \div 2 = 90$ km per hour.

Flashcard 27: State the unit rate: 80 km in 4 hours.

Answer: 20 km per hour. Divide $80 \div 4 = 20$ km per hour.

Flashcard 28: What is the unit rate of 180 miles in 3 hours?

Answer: 60 miles per hour. Divide $180 \div 3 = 60$ miles per hour.

Flashcard 29: Calculate the rate for 240 pages in 8 hours.

Answer: 30 pages per hour. Divide $240 \div 8 = 30$ pages per hour.

Flashcard 30: Calculate the rate for 500 km in 10 hours.

Answer: 50 km per hour. Divide $500 \div 10 = 50$ km per hour.

Flashcard 31: Identify the rate in: 60 miles in 2 hours.

Answer: Rate is 30 miles per hour. Calculated by dividing $60 \div 2 = 30$ miles per hour.

Flashcard 32: What is the rate for 60 meters in 15 seconds?

Answer: 4 meters per second. Divide $60 \div 15 = 4$ meters per second.

Flashcard 33: Find the rate: 360 km in 9 hours.

Answer: 40 km per hour. Divide $360 \div 9 = 40$ km per hour.

Flashcard 34: Find the rate of 400 pages in 8 days.

Answer: 50 pages per day. Divide $400 \div 8 = 50$ pages per day.

Flashcard 35: What is the formula for calculating speed?

Answer: $Speed = \frac{\text{Distance}}{\text{Time}}$. Distance divided by time gives rate of motion.

Flashcard 36: Calculate the rate of 72 km in 6 hours.

Answer: 12 km per hour. Divide $72 \div 6 = 12$ km per hour.

Flashcard 37: Calculate the rate of 72 km in 6 hours.

Answer: 12 km per hour. Divide $72 \div 6 = 12$ km per hour.

Flashcard 38: Calculate the rate for 500 km in 10 hours.

Answer: 50 km per hour. Divide $500 \div 10 = 50$ km per hour.

Flashcard 39: Find the unit rate for 90 miles in 3 hours.

Answer: 30 miles per hour. Divide $90 \div 3 = 30$ miles per hour.

Flashcard 40: Identify the rate: 100 gallons in 4 hours.

Answer: 25 gallons per hour. Divide $100 \div 4 = 25$ gallons per hour.

Flashcard 41: How do you calculate the unit rate from a ratio?

Answer: Divide the first quantity by the second. This creates a rate with denominator 1, showing quantity per single unit.

Flashcard 42: What is the unit rate for 30 dollars in 5 hours?

Answer: 6 dollars per hour. Divide $30 \div 5 = 6$ dollars per hour.

Flashcard 43: What is the rate if 240 units are produced in 8 hours?

Answer: 30 units per hour. Divide total units by total time: $240 ÷ 8 = 30$.

Flashcard 44: What is the formula for calculating growth rate?

Answer: $Growth Rate = \frac{\text{Change in Value}}{\text{Original Value}}$. This formula calculates percent change relative to the starting value.

Flashcard 45: Calculate the rate: 240 km in 4 hours.

Answer: 60 km per hour. Divide $240 \div 4 = 60$ km per hour.

Flashcard 46: Find the unit rate: 75 km in 1.5 hours.

Answer: 50 km per hour. Divide $75 \div 1.5 = 50$ km per hour.

Flashcard 47: Find the unit price if 5 apples cost $10.

Answer: Unit price is $2 per apple. Calculated by dividing $$ 10 \div 5 = \$$2 per apple.

Flashcard 48: What is the formula for calculating speed?

Answer: $Speed = \frac{\text{Distance}}{\text{Time}}$. This is the fundamental rate formula relating distance traveled to time taken.

Flashcard 49: How do you calculate average speed?

Answer: $Average Speed = \frac{\text{Total Distance}}{\text{Total Time}}$. Total distance divided by total time for entire journey.

Flashcard 50: What is the formula for calculating work rate?

Answer: $\text{Work Rate} = \frac{\text{Work}}{\text{Time}}$. This formula shows how much work is completed per unit time.

Flashcard 51: Determine the rate: 500 meters in 100 seconds.

Answer: 5 meters per second. Divide $500 \div 100 = 5$ meters per second.

Flashcard 52: What is the unit rate for 180 km in 2 hours?

Answer: 90 km per hour. Divide $180 \div 2 = 90$ km per hour.

Flashcard 53: How do you calculate the unit rate from a ratio?

Answer: Divide the first quantity by the second. This creates a rate with denominator 1, showing quantity per single unit.

Flashcard 54: If a car travels at 60 mph, how far does it travel in 1.5 hours?

Answer: 90 miles. Multiply rate by time: $60 × 1.5 = 90$.

Flashcard 55: How do you calculate average speed?

Answer: $Average Speed = \frac{\text{Total Distance}}{\text{Total Time}}$. Total distance divided by total time for entire journey.

Flashcard 56: Find the unit rate: 150 words in 3 minutes.

Answer: 50 words per minute. Divide $150 \div 3 = 50$ words per minute.