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Intro to Addition
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 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 Separate 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

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Science & Math$_{/yr}

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There are 4 apples on the table. 5 more apples are placed on the table. Write and solve a number sentence that shows how many apples are on the table.
Add. 3 + 2 = _____
Add. 6 + 4 = _____
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