Math Review 3rd Grade

Front

What is subtraction?

Back

Subtraction is the process of taking one number away from another. For example, 5 - 2 = 3.

Front

What is a fraction?

Back

A fraction represents a part of a whole. It is written as 'a/b' where 'a' is the numerator and 'b' is the denominator.

Front

What does equivalent fractions mean?

Back

Equivalent fractions are different fractions that represent the same value. For example, 1/2 and 2/4 are equivalent.

Front

What is multiplication?

Back

Multiplication is a way to add a number to itself a certain number of times. For example, 4 × 3 means 4 added together 3 times: 4 + 4 + 4 = 12.

Front

What is a pictograph?

Back

A pictograph is a graph that uses pictures or symbols to represent data. Each picture represents a certain number of items.

Front

What is the difference between two numbers?

Back

The difference is the result of subtracting one number from another. For example, the difference between 10 and 4 is 6 (10 - 4 = 6).

Front

What is a number sentence?

Back

A number sentence is a mathematical statement that includes numbers and an operation (like +, -, ×, or ÷). For example, 7 + 3 = 10 is a number sentence.

Front

What is a whole number?

Back

Whole numbers are non-negative numbers without fractions or decimals. They include 0, 1, 2, 3, and so on.

Front

What is a numerator?

Back

The numerator is the top part of a fraction that shows how many parts we have.

Front

What is a denominator?

Back

The denominator is the bottom part of a fraction that shows how many equal parts the whole is divided into.