Grade 1 Math: Addition

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In this lesson, we explored the concept of addition using colorful blocks as a practical example. We learned that addition involves combining quantities to find a total, represented by the plus sign (+) and the equal sign (=). By counting seven blue blocks and three red blocks, we discovered that the total is ten, reinforcing our understanding of how to create and solve addition equations.
  1. How many blue blocks do I have?
  2. What do we use to show that we are adding numbers together?
  3. What does the equal sign mean in our addition problem?

Let’s Learn About Addition with Blocks!

Hello there! Today, I was tidying up my room and found some colorful blocks. I have some blue blocks and some red blocks. I want to know how many blocks I have in total. Let’s use something called addition to find out!

What is Addition?

Addition is like putting things together. When we add, we find out how many things we have altogether. It’s like a magic trick with numbers!

Counting My Blocks

I have seven blue blocks and three red blocks. Let’s write these numbers down so we don’t forget. To add them, we need a special symbol called a plus sign (+). It helps us know we are putting the numbers together.

Let’s Add!

First, let’s count the blue blocks: 1, 2, 3, 4, 5, 6, 7. Now, let’s keep counting with the red blocks: 8, 9, 10. Wow! We have 10 blocks in total!

Using the Equal Sign

There’s one more symbol we need. It’s called the equal sign (=). It tells us that the numbers on both sides are the same. So, when we write it all together, it looks like this: 7 + 3 = 10.

What Did We Learn?

We learned how to use addends (the numbers we add), the plus sign, and the equal sign to make an addition equation. Now, I know I have 10 blocks altogether!

Now that I know how many blocks I have, I can finish cleaning my room. I wonder how many toy animals I have. Maybe I can use addition to find out!

Happy counting and adding!

  • Can you think of a time when you used addition to find out how many toys or items you had? What did you add together?
  • If you have 5 apples and your friend gives you 2 more, how many apples do you have now? Can you use the plus sign and equal sign to show this?
  • Imagine you have a collection of stickers. How would you use addition to find out how many stickers you have if you get more from a friend?
  1. Block Addition Adventure: Gather some blocks or small toys at home. Ask a grown-up to help you find two different colors or types. Count how many you have of each type, and then use addition to find out how many you have in total. Write down your addition equation using the plus sign and equal sign. Can you find different combinations that add up to the same total?

  2. Number Hunt: Go on a number hunt around your house or classroom. Look for numbers in books, on clocks, or even on food packages. Choose two numbers you find and practice adding them together. Use your fingers or draw pictures to help you count. Share your findings with a friend or family member and see if they can find different numbers to add!

  3. Story Time Addition: Create a short story with a friend or family member using your toys. For example, “Three teddy bears went to the park, and two more joined them. How many teddy bears are at the park now?” Use addition to solve the story problem and draw a picture to show your answer. Try making up more stories with different numbers!

Here is a sanitized version of the YouTube transcript:

Here I am! I was cleaning my room and found some blue blocks and some red blocks. I wonder how many I have altogether. We can use addition to solve that problem.

What’s addition? Addition is when we add numbers together. We can create an addition equation to find out how many blocks we have in all.

I have seven blue blocks and three red blocks. Let’s write down the numbers so we don’t forget. To make this equation, we need a symbol in between the two numbers we’re adding. This symbol is called a plus sign; it shows that we are adding 7 and 3 together.

Let’s count: 1, 2, 3, 4, 5, 6, 7. Now count on to find the sum: 8, 9, 10. There are 10 blocks in total! You should write that down.

Oh wait, we’re still missing something. We need one more symbol. This symbol is called the equal sign; it tells us the amount on both sides is the same. Now we have everything we need to solve the problem: the addends 7 and 3, the plus sign to show that we are adding the addends together, the equal sign to show that the amount on both sides is the same, and the sum of the two numbers: 7 plus 3 equals 10.

Great! I found out how many blocks I have altogether using addends, the plus sign, and the equal sign to create an addition equation. Now I can go back to cleaning my room. Hmm, I wonder how many toy animals I have.

[Music]

This version maintains the original meaning while removing any unnecessary or repetitive elements.

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