Multiplication Basics

Multiplications Basics

Let's review our multiplication basics so we are ready to tackle some new ideas in the next lesson!

Open Ended

You are going to need a notebook or binder to take notes in. Open it up to the first blank page and put in the heading "Sept. 21st Multiplication Basics Notes"

You can do your math work in your notebook/binder but be sure to clearly identify your notes so we can find them later.

Is your math journal heading written in and are you ready to start?

Poll

Goal Check!

Before we start the lesson how true is the following: "I understand what multiplication is and I know my times tables."

• Very True: I got this!

• Mostly True: I'm good!

• A Little True: I only understand a bit!

• Not True: I don't get it at all!

Open Ended

Counting large amounts of money can take a long time and be confusing. If you were going to count a huge amount of money how would you do it in order to be fast and accurate?

Multiplication Review Video

Think about the following while watching the video on the next slide:

What is multiplication?

How can we represent multiplication with groups of things?

What are some tricks we know for quick multiplication?

Multiple Choice

Multiplication is repeated

• subtraction

• addition

• multiplication

• division

Multiple Select

4x2 could be re-written as (check all that apply)

• 4+2

• 4+4

• 2+2+2

• 2+2+2+2

Multiple Choice

If you have five bags of M&Ms and each bag has 137 M&Ms how do I calculate the number of M&Ms?

• 137+5

• 137-5

• 137 $\div$  5

• 137x5

Times Table Practice Video

How much of your times tables do you remember?

How quickly can you solve a times table problem like 8x7 ?

Watch the video to refresh on all the times tables tricks you need!

Open Ended

What is the trick for multiply by two?

Open Ended

What is the trick for multiplying by nines?

Lesson Notes

Record the 12 x 12 times table shown here in your math journal (color optional). Below the times table record the "times table tricks" from the video that you think will be the most helpful for you.

Times table speed run!

There are lots of simple times tables questions here. Go through them as quickly as you can while still answering correctly.

Multiple Choice

4x7=

• 11

• -3

• 28

• 21

Multiple Choice

2x5=

• 10

• 5

• 7

• 3

Multiple Choice

9x6=

• 47

• 65

• 54

• 47

Multiple Choice

12x2=

• 14

• 22

• 18

• 24

Multiple Choice

3x6=

• 18

• 12

• 16

• 21

Multiple Choice

10x8=

• 88

• 75

• 80

• 108

Multiple Choice

3x9=

• 27

• 22

• 12

• 5

Multiple Choice

11x3

• 25

• 44

• 14

• 33

Multiple Choice

8x8=

• 54

• 64

• 44

• 74

Multiple Choice

7x5=

• 35

• 45

• 43

• 33

You got all those times tables questions done. Nice!

Hopefully you are feeling super confident in the basic multiplication skills we use for our more advanced work. If not let me know and we can do some more practice!

Poll

Goal Check!

After finishing the lesson how true is the following: "I understand what multiplication is and I know my times tables."

• Very True: I got this!

• Mostly True: I'm good!

• A Little True: I only understand a bit!

• Not True: I don't get it at all!

Finished! Great work.

Remember to submit your work so I can see it and you get credit for it!