AMC 8 Training Flashcard

Front

What is the product of the number of sisters and brothers Harry has?

Back

Harry has 3 sisters and 5 brothers. The product of S (sisters) and B (brothers) is 3 * 5 = 15.

Front

How much water will be left in a pool after 30 days if it starts with 200 gallons and loses 0.5 gallons per day?

Back

After 30 days, the total water lost is 0.5 * 30 = 15 gallons. Remaining water = 200 - 15 = 185 gallons.

Tags

CCSS.HSF-LE.A.1B

Front

If 30% of Math Club students are in the Science Club and there are 15 students in the Science Club, how many students are in the Math Club?

Back

Let M be the number of students in the Math Club. 0.3M = 15, so M = 15 / 0.3 = 50. Therefore, there are 50 students in the Math Club.

Tags

CCSS.HSA.CED.A.3

Front

What is the total amount of money three friends have if Toy starts and ends with $36 after redistributing money?

Back

If Toy has $36 at the beginning and end, the total amount after redistribution remains the same. The total amount is $252.

Tags

CCSS.7.EE.B.3

Front

What is the formula to calculate the remaining amount after a constant rate of loss over time?

Back

Remaining Amount = Initial Amount - (Rate of Loss * Time).

Front

Define the concept of percentage in relation to a whole.

Back

Percentage is a way of expressing a number as a fraction of 100. It represents how much of a whole is taken.

Front

What does it mean for two sets to be mutually exclusive?

Back

Two sets are mutually exclusive if they have no elements in common; the occurrence of one event excludes the occurrence of the other.

Tags

CCSS.HSS.CP.A.1

Front

Explain the concept of doubling in terms of arithmetic operations.

Back

Doubling means to multiply a number by 2. For example, if you have $10, doubling it gives you $20.

Tags

CCSS.3.OA.D.9

Front

What is the relationship between fractions and percentages?

Back

Fractions can be converted to percentages by multiplying by 100. For example, 1/4 = 0.25 = 25%.

Front

How do you calculate the total number of students in a club if you know the percentage of overlap with another club?

Back

If you know the percentage of overlap, you can set up an equation based on the total number of students in the overlapping club.

Tags

CCSS.HSA.CED.A.3