Exploring Addition and Subtraction with Fence Posts

The video tutorial explains a word problem involving a farmer using fence posts to build fences for two horses, Hazel Horse and Pauly Pony. The farmer uses 26 posts for Hazel's fence and 19 for Pauly's. The tutorial guides viewers through solving the problem by adding the two numbers to find the total number of fence posts used. It also discusses alternative approaches, such as subtraction, to find differences between the two quantities, emphasizing the importance of understanding the problem's requirements.

How many fence posts did the farmer use for Hazel Horse?

• 26

• 19

• 45

• 7

Tags

CCSS.1.NBT.A.1

What is the total number of fence posts used for both Hazel Horse and Pauly Pony?

• 35

• 19

• 26

• 45

Tags

CCSS.1.NBT.A.1

What mathematical operation is used to find the total number of fence posts?

• Addition

• Multiplication

• Subtraction

• Division

Tags

CCSS.3.OA.A.3

What is the first step in solving the addition of 26 and 19?

• Multiply the numbers

• Add the ones place

• Add the tens place

• Subtract the numbers

Tags

CCSS.1.NBT.C.4

CCSS.2.NBT.B.5

What does the number 15 represent in the addition process?

• Total tens

• Total ones

• A carried over ten

• None of the above

Tags

CCSS.1.NBT.C.4

CCSS.2.NBT.B.5

What is the result of adding the ones place in the numbers 26 and 19?

• 4

• 5

• 15

• 45

Tags

CCSS.1.NBT.C.4

CCSS.2.NBT.B.5

How many tens are there after adding 26 and 19?

• 3 tens

• 2 tens

• 5 tens

• 4 tens

Tags

CCSS.2.NBT.B.6

If the question asked 'How many more fence posts were used for Hazel than for Pauly?', what operation would you use?

• None

• Subtraction

• Addition

• Multiplication

Tags

CCSS.2.OA.A.1

What is the final answer to the total number of fence posts used?

• 65

• 19

• 45

• 26

Tags

CCSS.1.NBT.A.1

Why was addition chosen as the method to solve the problem?

• Because it was about finding a difference

• Because it was about finding a total

• None of the above

• Because multiplication is too complex

Tags

CCSS.5.NBT.B.7