Unit 1 Lesson 1, Multiplication Basics

Unit 1 Lesson 1, Multiplication Basics

Open up a google doc. and name it "Unit 1"

We Will Start Going Over The Basics After These Flash Problems

The problems are just a test. But you will be graded.

Let's start with some flash problems

I will give you 5 flash problems. You don't need the google doc. for this. You have 2 minutes for each question. This will be graded.

Multiple Choice

1. Solve: 5 x 4

• 98

• 31

• 20

• 42

• 1

Multiple Choice

2. Solve: 6 x 2

• 90

• 0

• 12

• 5

• 19

Multiple Choice

3. Solve: 4 x 8

• 7

• 6

• 32

• 46

• 89

Multiple Choice

4. Solve: 1 x 45367

• 65

• 69088

• 45367

• 700

• 564

Multiple Choice

5. Solve: 7 x 3

• 123

• 678

• 21

• 56

• 30

Alright!

Now let's learn about Multiplication Basics!

Rules

Everything has rules, even multiplication! These are the rules (type these in the google doc):

1. Anything Multiplied by zero is zero. Ex. 79902 x 0 = 0

2. Anything Multiplied by 1 one is the opposite number. Ex. 4 x 1 = 1

3. There are different properties of multiplication

Ones - Fives (these are the easiest ones)

Solve these in your google doc:

(ones) (two) (three) (four) (fives)

1. 1 x 6 1. 2 x 1 1. 3 x 1 1. 1 x 4 1. 1 x 5

2. 1 x 7 2. 2 x 2 2. 3 x 2 2. 2 x 4 2. 2 x 5

3. 1 x 8 3. 2 x 3 3. 3 x 3 3. 3 x 4 3. 3 x 5

4. 1 x 9 4. 2 x 4 4. 3 x 4 4. 4 x 4 4. 4 x 5

5. 1 x 10 5. 2 x 5 5.3 x 5 5. 5 x 4 5. 5 x 5

Good job!

Thank you for finishing this lesson