Math Review 3rd Grade

Front

What is multiplication?

Back

Multiplication is a mathematical operation where a number is added to itself a certain number of times. For example, 3 x 4 means adding 3 four times: 3 + 3 + 3 + 3 = 12.

Front

What is division?

Back

Division is a mathematical operation where a number is split into equal parts. For example, 12 ÷ 4 means splitting 12 into 4 equal parts, which equals 3.

Front

How do you find the area of a rectangle?

Back

To find the area of a rectangle, multiply the length by the width. Area = length x width.

Front

What is the sum of 15 and 20?

Back

The sum of 15 and 20 is 35.

Front

If you have 10 apples and you give away 3, how many do you have left?

Back

You have 7 apples left. (10 - 3 = 7)

Front

What is a fraction?

Back

A fraction represents a part of a whole. It consists of a numerator (top number) and a denominator (bottom number). For example, 1/2 means one part out of two equal parts.

Front

What is a perimeter?

Back

Perimeter is the total distance around a shape. For a rectangle, it is calculated by adding all the sides together: Perimeter = 2(length + width).

Front

What is the difference between addition and subtraction?

Back

Addition combines numbers to find a total, while subtraction finds the difference between numbers. For example, 5 + 3 = 8 (addition) and 5 - 3 = 2 (subtraction).

Front

What is a number line?

Back

A number line is a straight line with numbers placed at equal intervals. It helps visualize addition, subtraction, and the order of numbers.

Front

What is a pattern in math?

Back

A pattern is a repeated or predictable sequence of numbers or shapes. For example, 2, 4, 6, 8 is a pattern where each number increases by 2.