Semester 1 Review

Front

What is the distributive property in multiplication?

Back

The distributive property states that a number multiplied by a sum is equal to the sum of the products of that number and each addend. For example, a × (b + c) = (a × b) + (a × c).

Front

What is the value of a digit in a number?

Back

The value of a digit is determined by its position in the number. For example, in the number 2,591, the digit 5 is in the hundreds place, so its value is 500.

Front

How do you calculate the area of a rectangle?

Back

To calculate the area of a rectangle, multiply its length by its width. Area = length × width.

Front

What does it mean to round a number?

Back

Rounding a number means adjusting it to the nearest specified value, such as the nearest ten or hundred.

Front

What is a multiplication equation?

Back

A multiplication equation shows that two numbers multiplied together equal a third number. For example, 8 × ? = 40.

Front

What is the difference between area and perimeter?

Back

Area measures the space inside a shape, while perimeter measures the distance around a shape.

Front

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

Back

The area of a square is found by squaring the length of one of its sides. Area = side × side.

Front

What is the relationship between multiplication and division?

Back

Multiplication and division are inverse operations. If a × b = c, then c ÷ b = a.

Front

What is a number line?

Back

A number line is a straight line with numbers placed at equal intervals, used to represent numbers visually.

Front

What is the commutative property of addition?

Back

The commutative property states that changing the order of the addends does not change the sum. For example, a + b = b + a.