3rd Grade Math Review (ILEARN)

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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.

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What is the area of a rectangle?

Back

The area of a rectangle is found by multiplying its length by its width. The formula is: Area = Length x Width.

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What is a rhombus?

Back

A rhombus is a type of polygon that is a quadrilateral (four sides) with all sides of equal length. Opposite angles are equal.

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What does 'difference' mean in math?

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).

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What is an expression in math?

Back

An expression is a combination of numbers, variables, and operations (like addition or multiplication) that represents a value. For example, 2x + 3 is an expression.

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What is the equation for finding an unknown number?

Back

An equation can be used to find an unknown number by isolating the variable. For example, in the equation x + 5 = 10, you can find x by subtracting 5 from both sides: x = 5.

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What does it mean to represent data in a picture graph?

Back

A picture graph uses images or symbols to represent data. Each image represents a certain number of items or people.

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

Back

The perimeter of a rectangle is found by adding the lengths of all four sides. The formula is: Perimeter = 2(Length + Width).

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What is a square unit?

Back

A square unit is a unit of area that is equal to the area of a square with sides of one unit length. It is used to measure area.

Front

What is the commutative property of multiplication?

Back

The commutative property states that changing the order of the numbers in a multiplication problem does not change the product. For example, 3 x 4 = 4 x 3.