We hope you enjoyed trying 5 lessons!
Become a member to get full access to our entire library of learning videos, reading material, quiz games, simple DIY activities & more.
Plans & PricingWelcome to Our New Math Lessons!
Your subscription is currently only to our science lessons.
5 Free Math Lessons Left
Add Math To My Plan (+$50/yr)We hope you enjoyed sampling 5 Math Lessons!
Your subscription is currently only to our science lessons.
Add Math To My Plan (+$50/yr)0 Free Math Lessons Left
Oops! It looks like your security settings are blocking this video 🙁
If you are on a school computer or network, ask your tech person to whitelist these URLs:
*.wistia.com, fast.wistia.com, fast.wistia.net, embedwistia-a.akamaihd.net
Sometimes a simple refresh solves this issue. If you need further help, contact us.
Intro to Multiplication
Sorry, student links are only for classroom & school accounts.
Please login to generate a student link.
Generate Student Link
- Show lesson plan & teacher guide
- Show answers to discussion questions
- Show video only
- Allow visiting of other pages
- Hide assessments
What you will learn from this videoWhat you will learn
- Multiplication means adding in equal groups.
- That we can count ANYTHING by lining it up in equal rows.
- And that we can use multiplication to quickly count bottles, truck wheels, basketball points and more!
- Discussion Questions
Before Video
Display an array on the board with 6 rows and 3 squares in each row. Describe what you see on the board. What do we call something that looks like this?ANSWERAn array with 6 rows and 3 squares in each row.
Write a repeated addition sentence. 3 + 3 + 3 + 3 + 3 + 3 or 6 + 6 + 6 Find the total represented by the expression.
Add 5 four times using skip-counting to get 20.
To find how many apples arranged in an array, to find the cost of 6 books that have the same price.
Maria gives each of her 4 friends 7 stickers. How many stickers did she give to her friends in all?
After Video
How can you model 8 + 8 + 8 + 8 and write it as a multiplication equation? ANSWERI can make 4 rows of 8 in an array and then write the multiplication equation.
O O O O O O O O
O O O O O O O O
O O O O O O O O
O O O O O O O O
4 x 8 = 32
A guitar has 6 strings. How many strings will be needed to restring 7 guitars?
Amin is not correct. The expression 4 x 3 has a value of 12. I think he added 4 and 3 instead of multiplying.
The expression 4 + 3 + 4 + 3 + 2 cannot be changed to a multiplication expression with the same value because the addends (which could represent groups of objects) are not the same. The expression 4 + 4 + 4 + 4 + 4 can be changed to a multiplication expression with the same value because all of the addends are the same. The multiplication expression is 5 x 4.
You can make an array with 7 rows and 5 counters in each row to model 7 x 5. You can make another array with 5 rows and 7 counters in each row to model 5 x 7. In both cases you will see that there are 35 counters in the array. Also, if you imagine rotating one of the arrays and putting it on top of the other array, you will see that they match exactly.
- Vocabulary
- Repeated Addition DEFINE
Repeated addition is adding the same number multiple times.
- Multiplication DEFINE
Multiplication is an operation that gives the result of combining equal groups.
- Array DEFINE
An array is an arrangement of objects in rows of equal size.
- Row DEFINE
A row is an arrangement of objects from left to right.
- Times DEFINE
Times is the way we read the multiplication sign (x) between two numbers.
- Factor DEFINE
Factors are the numbers you multiply.
- Product DEFINE
The answer to a multiplication problem is called a product.
- Multiplication Table DEFINE
A multiplication table shows all the products of multiplying a number from 0 to 10 by a number from 0 to 10.
- Repeated Addition DEFINE
- Reading Material
- Practice Word Problems
- Practice Number Problems
- Lesson Plan
- Teacher Guide
Explore Our Science Topics
Explore Our Science Topics
Select a Google Form
Choose a way to play this quiz game
- Questions appear on the teacher's screen. Students answer on their own devices.
Choose a Renewal Option
- Download Invoice
Science & Math
$_{/yr}
- Download Invoice
Science Only
$_{/yr}
Level 1
Draw an array to represent 4 x 8 and find the product.
Level 2
Jason multiplied 3 x 6 and got 9. Explain what he did wrong and what the answer should be.
Level 3
Write a short word problem where the expression 7 x 8 can be used to find the answer.
"My students loved the videos. I started the video subscription in May and used them as a review before the state test, which I know contributed to 100% of my class passing the state test."
Rhonda Fox 4th Grade Teacher, Ocala, Florida• No credit card required •
Start Your Free Trial
Free for 14 days, then only $10 CAD/month.
- Unlimited access to our full library
of videos & lessons for grades K-5. - You won’t be billed unless you keep your
account open past your 14-day free trial. - You can cancel anytime in 1 click on the
manage account page or by emailing us.
- Unlimited access to our full library of videos & lessons for grades K-5.
- You won't be billed unless you keep your account open past 14 days.
- You can cancel anytime in 1-click on the manage account page.