Exploring Addition and Subtraction Fact Families

This video tutorial explains the relationship between addition and subtraction using the part-part-whole model. It demonstrates how understanding this relationship can simplify solving math problems. The video provides examples to illustrate how addition can be used to solve subtraction problems, making math easier to understand.

Why is the relationship between addition and subtraction important?

• It makes math easier.

• It helps in understanding fractions.

• It helps in solving multiplication problems.

• It is used in geometry.

Tags

CCSS.2.NBT.B.5

In the equation 2 + 3 = 5, what are 2 and 3 referred to as?

• Differences

• Sums

• Parts

• Wholes

Tags

CCSS.1.OA.A.1

What does the part-part-whole model represent in addition?

• Part plus part equals whole

• Whole minus part equals part

• Part minus part equals whole

• Whole plus part equals part

Tags

CCSS.1.OA.A.1

If the whole is 5 and one part is 3, what is the other part in subtraction?

• 5

• 3

• 2

• 8

Tags

CCSS.2.OA.A.1

In the part-part-whole model for subtraction, what do you start with?

• The difference

• The sum

• The whole

• A part

Tags

CCSS.2.OA.A.1

What is the whole in the equation 4 + 6?

• 4

• 2

• 10

• 6

Tags

CCSS.1.OA.A.1

What is the result of 10 take away 4?

• 6

• 4

• 10

• 14

Tags

CCSS.2.OA.A.1

How can addition help in solving the subtraction problem 19 - 17?

• By finding the difference between 19 and 2

• By finding what subtracted from 19 equals 17

• By finding the sum of 19 and 17

• By finding what added to 17 equals 19

Tags

CCSS.2.OA.A.1

What is the missing part in the equation 11 - 8?

• 11

• 8

• 3

• 2

Tags

CCSS.2.OA.A.1

What is the easier way to solve 19 - 17?

• By using multiplication

• By using division

• By using addition

• By using subtraction

Tags

CCSS.2.NBT.B.5