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## 3rd grade foundations (Eureka Math/EngageNY)

### Unit 4: Lesson 2

Topic B, C, & D: Foundations

Sal solves word problems by adding the same number many times.

## Want to join the conversation?

• so is repeated addition like multiplication?
• Yes, since multiplication consists of repeatedly adding a number, therefore a multiplication allows you to abbreviate a sum, in order not to repeat the sum of the same numbers.

I hope I have helped...
(1 vote)
• so 5+5+5+5+5 is the same as 5*5
• Yes it is. Though if you want to write it extremely short you could just say 5 squared or 5 with a superscript 2
(1 vote)
• what is 100-98= what dis that equal to.
• if you don't know that then the answer is 2
• so B and C were correct on reapeated additon?
• Can you put a timestamp of when this happens in the video?
• How do you know when to add objects vertically or horizontally in repeated addition?
• What 144 x8845
• 1,273,680
One million, two hundred seventy-three thousand, six hundred eighty
• im in 5th grade and dont get it