3.OA.1

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 x 4 means 3 added together 4 times (3 + 3 + 3 + 3).

Front

What does the expression 2 x 8 represent?

Back

The expression 2 x 8 represents the total number of legs on 2 spiders, where each spider has 8 legs. It equals 16 legs.

Front

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

Back

To find the total number of items in multiple groups, you can multiply the number of items in one group by the number of groups.

Front

What is the total number of items on 4 tests with 10 items each?

Back

The total number of items is 4 x 10 = 40 items.

Front

What does the expression 6 x 10 represent in a basketball game?

Back

The expression 6 x 10 represents the total number of players on 6 basketball courts, where each court has 10 players. It equals 60 players.

Front

What is the purpose of using multiplication instead of addition in some problems?

Back

Multiplication is used instead of addition to simplify calculations when adding the same number multiple times.

Front

How can you calculate the total number of gloves if you have 4 pairs?

Back

You can calculate the total number of gloves by multiplying the number of pairs by 2: 4 x 2 = 8 gloves.

Front

If Olivia gave 4 candy bars to each of her 8 friends, how do you find the total number of candy bars?

Back

You find the total by multiplying the number of friends by the number of candy bars each received: 8 x 4 = 32 candy bars.

Front

What is the difference between addition and multiplication?

Back

Addition combines numbers to find a total, while multiplication finds the total of equal groups.

Front

What is a mathematical expression?

Back

A mathematical expression is a combination of numbers, variables, and operations (like +, -, x, /) that represents a value.