3rd Grade Multiplication and division

Front

What is multiplication?

Back

Multiplication is a mathematical operation where a number is added to itself a certain number of times. For example, 3 multiplied by 4 (3 x 4) means adding 3 four times: 3 + 3 + 3 + 3 = 12.

Front

What is division?

Back

Division is a mathematical operation where a number is split into equal parts. For example, 12 divided by 4 (12 ÷ 4) means splitting 12 into 4 equal parts, which equals 3.

Front

How do you find the total number of items in equal groups?

Back

To find the total number of items in equal groups, multiply the number of groups by the number of items in each group. For example, if there are 5 groups with 3 items each, the total is 5 x 3 = 15.

Front

What is the greatest number of birds Martin can add to his cages if each cage holds 7 birds and he has 11 cages?

Back

The greatest number of birds Martin can add is 98. (11 cages x 7 birds = 77 birds already in cages, so 98 - 77 = 21 birds can be added).

Front

How many towels are used in 7 days if 98 towels are used every day?

Back

686 towels are used in 7 days. (98 towels x 7 days = 686 towels).

Front

If there are 3 volleyball teams with 10 players each, how many players are there in total?

Back

There are 30 players in total. (3 teams x 10 players = 30 players).

Front

How do you find the number of players in each group if there are 30 players and 6 groups?

Back

To find the number of players in each group, divide the total number of players by the number of groups. (30 players ÷ 6 groups = 5 players per group).

Front

What is the total number of balls Hector threw if he played 14 times and threw 7 balls each time?

Back

Hector threw a total of 98 balls. (14 times x 7 balls = 98 balls).

Front

How many baseballs did the league buy if they bought 9 boxes with 36 baseballs each?

Back

The league bought 324 baseballs. (9 boxes x 36 baseballs = 324 baseballs).

Front

What is the formula for multiplication?

Back

The formula for multiplication is: Total = Number of Groups x Number of Items in Each Group.