Multiplication and Division

Front

What is multiplication?

Back

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

Front

What is division?

Back

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

Front

How do you calculate the total minutes Jack practices piano in 8 weeks if he practices 35 minutes each day?

Back

To find the total minutes, multiply the daily practice time by the number of days in 8 weeks: 35 minutes x 56 days = 1,960 minutes.

Front

If Mrs. Arterberry purchases 525 reams of paper, how many pieces of paper does she have?

Back

Multiply the number of reams by the number of sheets in each ream: 525 reams x 1,000 sheets = 525,000 sheets.

Front

How many beads does Miss Watson have if she has 3 bags with 125 beads each?

Back

Multiply the number of bags by the number of beads in each bag: 3 bags x 125 beads = 375 beads.

Front

What is the greatest number of necklaces Miss Watson can make with 375 beads if each necklace requires 9 beads?

Back

Divide the total number of beads by the number of beads per necklace: 375 ÷ 9 = 41 necklaces (with a remainder).

Front

What is the quotient of 876 and 4?

Back

The quotient of 876 ÷ 4 is 219.

Front

What is the distributive property in multiplication?

Back

The distributive property states that a(b + c) = ab + ac. It allows you to multiply a number by a sum by distributing the multiplication over each addend.

Front

How can you break down the multiplication 6 x 283 using the distributive property?

Back

You can break it down as: 6 x 283 = (6 x 200) + (6 x 80) + (6 x 3).

Front

What is a remainder in division?

Back

A remainder is the amount left over after division when one number cannot be divided evenly by another.