# Concept of multiplication and division

5 videos

6 skills

Let's introduce ourselves to two of the most fundamental ideas in all of mathematics: multiplication and division!
Common Core Standards: 3.OA.A.1, 3.OA.A.2

### Intro to multiplication

VIDEO
3:33 minutes

Use arrays and repeated addition to visualize multiplication.

### Multiplication as groups of objects

VIDEO
4:19 minutes

Use arrays to show different ways to multiply and get the same solution.

### Meaning of multiplication

PRACTICE PROBLEMS

Interpret products of whole numbers, e.g., interpret 5 x 7 as the total number of objects in 5 groups of 7 objects each.

### Multiplying 1-digit numbers

PRACTICE PROBLEMS

Multiply two 1-digit numbers. Some problems include multiplying by 10.

### More on the concept of multiplication

VIDEO
5:29 minutes

Use arrays and repeated addition to multiply.

### 1-digit division

PRACTICE PROBLEMS

Find the missing number in division equations with one-digit quotients.

### Examples relating multiplication to division

VIDEO
3:27 minutes

See the relationship between multiplication and division problems.

### Relate division to multiplication

PRACTICE PROBLEMS

See the relationship between multiplication and division problems.