Full Year review

Front

What is multiplication?

Back

Multiplication is a mathematical operation that represents the repeated addition of a number. For example, 3 x 4 means adding 3 four times (3 + 3 + 3 + 3 = 12).

Front

Calculate 0.7 x 6.

Back

4.2

Front

What is the least common multiple (LCM)?

Back

The least common multiple (LCM) of two numbers is the smallest number that is a multiple of both numbers. For example, the LCM of 4 and 6 is 12.

Front

What is a ratio?

Back

A ratio is a comparison of two quantities, showing how many times one value contains or is contained within the other. For example, the ratio of 2 apples to 3 oranges is written as 2:3.

Front

Simplify the ratio 15:20.

Back

3:4

Front

What is the greatest common factor (GCF)?

Back

The greatest common factor (GCF) of two numbers is the largest number that divides both of them without leaving a remainder. For example, the GCF of 12 and 16 is 4.

Front

What does it mean to simplify a fraction?

Back

To simplify a fraction means to reduce it to its lowest terms, where the numerator and denominator have no common factors other than 1.

Front

Calculate the GCF of 12 and 16.

Back

4

Front

What is the formula for finding the area of a rectangle?

Back

Area = length x width.

Front

What is the formula for finding the perimeter of a rectangle?

Back

Perimeter = 2(length + width).