Multiplication & Division

Front

What is multiplication?

Back

Multiplication is a mathematical operation that represents the repeated addition of a number. For example, 3 multiplied by 4 (3 x 4) means adding 3 four times (3 + 3 + 3 + 3) which equals 12.

Tags

CCSS.3.OA.A.1

Front

What is division?

Back

Division is a mathematical operation that represents the process of splitting a number into equal parts. For example, 12 divided by 3 (12 ÷ 3) means splitting 12 into 3 equal parts, which equals 4.

Tags

CCSS.3.OA.A.2

Front

How do you find the number of full sets when dividing?

Back

To find the number of full sets, divide the total number of items by the number of items in each set. For example, 572 erasers divided by 15 erasers per set gives you the number of full sets.

Tags

CCSS.3.OA.A.2

Front

What is the formula for calculating miles per gallon (MPG)?

Back

The formula for calculating miles per gallon is: MPG = Total miles driven ÷ Total gallons of gas used.

Tags

CCSS.6.RP.A.3B

Front

How do you calculate the amount of money each person gets when splitting evenly?

Back

To calculate the amount each person gets when splitting money evenly, divide the total amount of money by the number of people sharing it.

Tags

CCSS.3.OA.A.3

Front

What is a touchdown in football worth?

Back

In football, a touchdown is typically worth 7 points.

Front

How do you calculate weekly earnings from annual salary?

Back

To calculate weekly earnings from an annual salary, divide the annual salary by the number of weeks in a year (52 weeks).

Tags

CCSS.6.RP.A.3B

Front

What is the relationship between multiplication and division?

Back

Multiplication and division are inverse operations. This means that if you multiply a number by another number, you can divide the result by one of those numbers to get back to the original number.

Tags

CCSS.4.NBT.B.6

Front

What does it mean to round a number?

Back

Rounding a number means adjusting it to the nearest specified value, often to make it simpler or easier to work with. For example, rounding 4.6 to the nearest whole number gives you 5.

Tags

CCSS.5.NBT.A.4

Front

What is the importance of estimating in multiplication and division?

Back

Estimating helps to quickly assess the reasonableness of an answer. It allows you to check if your final answer is close to what you expect.