6th grade math review

Front

What is the GCF of two numbers?

Back

The GCF (Greatest Common Factor) is the largest number that divides two or more numbers without leaving a remainder.

Front

How do you find the GCF of 12 and 16?

Back

List the factors of each number: Factors of 12: 1, 2, 3, 4, 6, 12; Factors of 16: 1, 2, 4, 8, 16. The GCF is 4.

Front

If Jose swims 3 laps in 2 minutes, how many laps can he swim in 1 minute?

Back

1.5 laps.

Front

How long would it take Jose to swim 27 laps if he swims 3 laps every 2 minutes?

Back

It would take him 18 minutes.

Front

What is the formula for the area of a triangle?

Back

Area = 1/2 * base * height.

Front

What is the area of a triangle with a base of 6 cm and a height of 4 cm?

Back

Area = 1/2 * 6 * 4 = 12 cm².

Front

What is a numerator in a fraction?

Back

The numerator is the top number of a fraction that represents how many parts are being considered.

Front

What is a denominator in a fraction?

Back

The denominator is the bottom number of a fraction that represents the total number of equal parts.

Front

How do you calculate the mean of a set of numbers?

Back

Add all the numbers together and divide by the total count of numbers.

Front

What is the mean of the numbers 5, 11, 2, 12, 4, 2?

Back

Mean = (5 + 11 + 2 + 12 + 4 + 2) / 6 = 36 / 6 = 6.