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## Class 1 math (India)

### Unit 1: Lesson 9

Addition and subtraction word problems# Addition word problems within 10

Sal solves word problems by adding small numbers (numbers 10 or less).

## Want to join the conversation?

- what is pie mathamathically(8 votes)
- pi is 3.14159265359.But,rounded it is commonly used as 3.14.(7 votes)

- I borrowed $50 from mum and $50 from dad to buy a bag costing $97. After the purchase, I had $3 left. I returned $1 to dad and $1 to mum, and reserved $1 for myself. I now owe $49+$49=$98 plus the $1 I reserved for myself, which is $99. Where is the missing $1?(4 votes)
- you forgot it at the store where you got the bag(8 votes)

- hat is the expanded form of 234(4 votes)
- The expanded form means that you have to set apart the hundreds, tens, and ones. If they are asking for the expanded form of 234, you have 2 hundreds (which makes 200), 3 tens (which makes 30), and 4 ones (which makes 4). Giving you the number of 234.(6 votes)

- Why to count every time the person who is telling us why is counting every time?(4 votes)
- do u have to do a equation to add or subtract

is there a another way(2 votes) - Only read if you don't know this or don't understand. Say that you have 4 dollars, your parents gave you 6 more. How many do you have, so start from four and count six more, 4, 5, 6, 7, 8, 9, 10. You have 10 dollars.(2 votes)
- isn't math easy?(1 vote)

## Video transcript

3 flowers bloomed yesterday and they draw the flowers 1, 2, 3 6 more bloomed today. 1, 2, 3, 4, 5, 6. How many flowers bloomed? Well 3 yesterday, 6 more today. So you're going to have the 3 from yesterday, plus the 6 more today. Well what's 3 plus 6 equal to? Well 3 plus 6 is the same thing as 6 plus 3 and that's going to be 9. 6 + 1 is 7, 6 + 2 is 8, 6 + 3 is 9. And it's good to know, just in your head, 6 + 3 is 9. 3 + 6 is 9 or you could even count them...... 1, 2, 3, 4, 5, 6, 7, 8, 9. Let's do another one. There were 2 sharks. 1, 2. 3 more sharks came. 1, 2, 3. How many sharks are there now? Well there's the 2 that were there before. Plus the 3 that came. So, there's 2 plus 3 sharks. Well, what is 2 plus 3? Well, 2 + 3 is 5. 2 + 3 is 5 and you could count it. 1,2, 3, 4, 5. Let's do one more. A squirrel picked up 7 acorns. (counting) 1, 2, 3, 4, 5, 6, 7. She picked up one more acorn. Find out how many acorns she picked up. Well she picked up the 7. Plus 1 acorn. So it's going to be 7 plus 1 acorns. And that is equal to 8. (counting) 1, 2, 3, 4, 5, 6, 7, 8. You got it right.