What is the formula for the circumference of a circle?
7th Grade Review

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Mathematics
•
7th Grade
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
Back
C = 2πr, where C is the circumference and r is the radius.
2.
FLASHCARD QUESTION
Front
If Reynaldo saves $48 in 8 days, how much does he save per day?
Back
$6 per day.
3.
FLASHCARD QUESTION
Front
What is the new location of a diver who descends 30 feet from 150 feet below sea level?
Back
180 feet below sea level.
4.
FLASHCARD QUESTION
Front
How do you calculate the temperature change from midnight to noon if it drops 5 degrees and then increases by 11 degrees?
Back
Start at 30 degrees, drop to 25 degrees, then increase to 36 degrees.
5.
FLASHCARD QUESTION
Front
What is the probability of picking a quarter from a bag containing 5 quarters, 2 dimes, and 4 pennies?
Back
5/11.
6.
FLASHCARD QUESTION
Front
What is the total number of coins in the bag containing 5 quarters, 2 dimes, and 4 pennies?
Back
11 coins.
7.
FLASHCARD QUESTION
Front
How do you find the average savings per week if Reynaldo saves $48 in 8 days?
Back
Multiply daily savings by 7 days: $6 * 7 = $42.
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