Understanding Addition and Its Components

The video tutorial explains the concept of addition using visual models. It begins with a simple example of adding 4 and 3 using apples, introducing terms like 'addends' and 'sum'. The tutorial then progresses to more complex examples, such as 9 + 7 and 12 + 19, using blue circles to demonstrate organized models for addition. The video emphasizes the importance of structured models to simplify counting and ensure accuracy in determining sums.

What is the total number of apples when you add 4 apples and 3 apples together?

• 6

• 5

• 8

• 7

Tags

CCSS.1.OA.A.1

In an addition problem, what do you call the numbers that are being added together?

• Sum

• Products

• Addends

• Factors

Tags

CCSS.5.OA.A.1

CCSS.5.OA.A.2

What is the result called in an addition problem?

• Difference

• Product

• Quotient

• Sum

Tags

CCSS.2.OA.A.1

How many blue circles are there in total when you add 9 and 7 using the model?

• 17

• 14

• 16

• 15

Tags

CCSS.1.OA.A.1

What is the sum of 9 and 7?

• 17

• 16

• 18

• 15

Tags

CCSS.1.NBT.B.2B

CCSS.1.NBT.B.2C

When modeling 9 using blue circles, how many columns of circles are used?

• 4

• 3

• 5

• 2

Tags

CCSS.2.OA.A.1

What is the total number of blue circles when you add 12 and 19 using the model?

• 32

• 31

• 30

• 29

Tags

CCSS.1.NBT.C.4

CCSS.2.NBT.B.5

What is the sum of 12 and 19?

• 33

• 30

• 31

• 32

Tags

CCSS.2.OA.A.1

How many blue circles are in each column when modeling 12?

• 4

• 6

• 3

• 5

Tags

CCSS.5.NBT.B.7

What counting method is suggested for efficiency when adding 12 and 19?

• By fives

• By ones

• By twos

• By threes

Tags

CCSS.5.NBT.B.7