Math Review - 4.OA

Front

What is the order of operations in math?

Back

The order of operations is a set of rules that tells you the sequence to follow when solving math problems. It is often remembered by the acronym PEMDAS: Parentheses, Exponents, Multiplication and Division (from left to right), Addition and Subtraction (from left to right).

Front

What does 'addition' mean?

Back

Addition is the mathematical operation of combining two or more numbers to get a total. For example, 2 + 3 = 5.

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What is a 'factor' in multiplication?

Back

A factor is a number that is multiplied by another number to get a product. For example, in 4 x 5, both 4 and 5 are factors.

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What is a 'multiple'?

Back

A multiple is the result of multiplying a number by an integer. For example, the multiples of 3 are 3, 6, 9, 12, etc.

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What is a 'pattern' in math?

Back

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

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What does 'subtraction' mean?

Back

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

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What is a 'word problem'?

Back

A word problem is a math problem that is presented in the form of a story or real-life scenario, requiring you to extract the mathematical operation needed to solve it.

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What is a 'sum'?

Back

The sum is the result of adding two or more numbers together. For example, the sum of 3 and 4 is 7.

Front

What is a 'product' in multiplication?

Back

The product is the result of multiplying two or more numbers together. For example, the product of 3 and 4 is 12.

Front

What does 'division' mean?

Back

Division is the mathematical operation of splitting a number into equal parts. For example, 12 ÷ 4 = 3.