Basic Addition and Money Concepts

The video tutorial explains the concept of regrouping in addition, demonstrating with examples like adding 7 and 5, 17 and 4, and 24 and 3. It shows when regrouping is necessary and when it is not. The tutorial also applies regrouping to a real-world problem involving money, helping students understand the practical application of the concept.

What is the main purpose of regrouping in addition?

• To simplify subtraction

• To avoid using zero

• To make numbers smaller

• To move excess ones to the tens place

When adding 7 and 5, what is the result after regrouping?

• 15

• 10 and 5

• 12

• 10 and 2

What is the sum of 7 and 5?

• 10

• 12

• 13

• 11

In the example of adding 17 and 4, why is regrouping necessary?

• Because 4 is an even number

• Because 17 is a prime number

• Because the sum exceeds ten

• Because 17 is greater than 10

What is the sum of 17 and 4?

• 22

• 19

• 21

• 20

What is the sum of 7 and 4?

• 13

• 11

• 12

• 10

What is the result of adding 24 and 3 without regrouping?

• 28

• 25

• 30

• 27

What is the sum of 2 tens and 4 ones with 3 ones?

• 28

• 27

• 26

• 25

When adding 38 and 5, how many ones are needed to form another ten?

• Two

• Three

• Five

• Seven

What is the sum of 3 tens and 8 ones with 5 ones?

• 40

• 48

• 43

• 45