Enjoy any 5 free lessons!
You can pick. No account needed.
Watch Video

You have remaining on your free trial.
4 Free Lessons Left
Get unlimited access to all videos and lesson plans with a membership.
So you can keep watching more great videos in class, ask your teacher or principal to get a School plan membership.
Become a member to get full access to our entire library of learning videos, reading material, quiz games, simple DIY activities & more.
Become a member to get full access to our entire library of learning videos, quiz games, & more.
Plans & Pricing
to watch this full video.

Access All Videos
and Lessons, No Limits.
Access All Videos

No credit card required,
takes 7 sec to signup.
No card required

Ready-to-go lessons
that save you time.
Ready-to-go lessons
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 Addition

- Show lesson plan & teacher guide
- Show answers to discussion questions
- Show video only
- Allow visiting of other pages
- Hide assessments
- We’ll learn that addition is putting 2 groups together to find the total.
- That we can add by counting ALL the objects we have, or by starting at one number and counting ON.
- And, we'll explore how this knowledge can help us take care of kittens, eat cupcakes, and even dig for dinosaur bones.
-
Discussion Questions
- Before VideoHow do we find the number of objects we have?ANSWER
Count.
7
1
6
6, 7, 8, 9, 10
- After VideoSasha is adding 3 + 2. Show how she would count all to add.ANSWER
1, 2, 3, 4, 5
3, 4, 5
7
8
3 + 7 = 10
-
Vocabulary
- Addition DEFINE
When one group joins another group to find how many you have all together.
- Counting All DEFINE
Counting how many in all starting with 1 to the total.
- Plus Sign DEFINE
The symbol that means addition, or joining two groups together.
- Equals Sign DEFINE
The symbol that means both sides have the same value.
- Counting On DEFINE
Counting how many in all when adding, starting at one of the numbers being joined, and counting the rest.
- Sum DEFINE
The result of adding.
- Addition DEFINE
-
Reading Material
Download as PDF Download PDF View as Seperate PageWHAT IS ADDITION?Addition is when you put two groups together. When you add, you find the new total.
To better understand addition…
WHAT IS ADDITION?. Addition is when you put two groups together. When you add, you find the new total. To better understand addition…LET’S BREAK IT DOWN!
You can count to find how many in all.
You have a pile of balls. You can count the balls in the pile: 1, 2, 3, 4, 5, 6, 7, 8, 9, 10. There are 10 balls.
You can count to find how many in all. You have a pile of balls. You can count the balls in the pile: 1, 2, 3, 4, 5, 6, 7, 8, 9, 10. There are 10 balls.Count all of the kittens.
There are 4 kittens. 1 more kitten joins them. How can you find how many kittens in all? Count all of the kittens: 1, 2, 3, 4, 5. There are 5 kittens in all.
Count all of the kittens. There are 4 kittens. 1 more kitten joins them. How can you find how many kittens in all? Count all of the kittens: 1, 2, 3, 4, 5. There are 5 kittens in all.Use + and = to show how many kittens.
A “+” shows two groups joined together. 4 + 1 = 5. The “+” shows that 4 kittens and 1 kitten are together. The “=” shows that 4 and 1 are equal to 5. There are 5 kittens in all.
Use + and = to show how many kittens. A “+” shows two groups joined together. 4 + 1 = 5. The “+” shows that 4 kittens and 1 kitten are together. The “=” shows that 4 and 1 are equal to 5. There are 5 kittens in all.Count on to count cupcakes.
There are 2 vanilla cupcakes and 6 chocolate cupcakes. Count on to find how many in all. Start at 6. Count up 2: 7, 8. You can also start at 2 and count up: 3, 4, 5, 6, 7, 8. There are 8 cupcakes in all. 2 + 6 = 8.
Count on to count cupcakes. There are 2 vanilla cupcakes and 6 chocolate cupcakes. Count on to find how many in all. Start at 6. Count up 2: 7, 8. You can also start at 2 and count up: 3, 4, 5, 6, 7, 8. There are 8 cupcakes in all. 2 + 6 = 8.Counting to find how many dinosaur bones.
You found 6 bones then 4 bones. How many bones did you find in all? You can count all of the bones: 1, 2, 3, 4, 5, 6, 7, 8, 9, 10. You can count on from 6: 7, 8, 9, 10. There are 10 bones in all. 6 + 4 = 10.
Counting to find how many dinosaur bones. You found 6 bones then 4 bones. How many bones did you find in all? You can count all of the bones: 1, 2, 3, 4, 5, 6, 7, 8, 9, 10. You can count on from 6: 7, 8, 9, 10. There are 10 bones in all. 6 + 4 = 10. - Practice Word Problems
- Practice Number Problems
-
Teacher Resources
Lesson Plan
Download PDF
Teacher Guide
Download PDF
These downloadable teacher resources can help you create a full lesson around the video. These PDFs incorporate using class discussion questions, vocabulary lists, printable math worksheets, quizzes, games, and more.