Math Facts

Front

What is the formula to calculate a percentage of a number?

Back

To find a percentage of a number, multiply the number by the percentage (in decimal form). For example, to find 30% of 450, calculate 450 * 0.30 = 135.

Front

What does it mean to round a number to the nearest hundred?

Back

Rounding to the nearest hundred means adjusting the number to the closest multiple of 100. For example, 363 rounded to the nearest hundred is 400.

Front

What is a snow angel?

Back

A snow angel is a shape made in the snow by lying on your back and moving your arms and legs to create the outline of an angel.

Front

How do you convert a percentage to a decimal?

Back

To convert a percentage to a decimal, divide the percentage by 100. For example, 30% becomes 0.30.

Front

What is the first US state to declare Christmas as a legal holiday?

Back

Alabama was the first US state to declare Christmas as a legal holiday.

Front

What is the process of estimating a number called?

Back

Estimating a number involves rounding it to make calculations easier, often to the nearest ten, hundred, or thousand.

Front

What is the significance of the number 450 in the context of percentages?

Back

450 is the whole from which a percentage is calculated. For example, finding 30% of 450 means determining how much 30% represents of that total.

Front

What is the difference between a snowman and a snow angel?

Back

A snowman is a figure made of snow, typically shaped like a person, while a snow angel is a shape made in the snow by lying down and moving arms and legs.

Front

How do you find 10% of a number?

Back

To find 10% of a number, divide the number by 10. For example, 10% of 450 is 450 / 10 = 45.

Front

What is rounding?

Back

Rounding is the process of adjusting a number to make it simpler while keeping its value close to what it was.