Understanding Part-Part-Whole Strategy

Mr. Fuller introduces the part-part-whole strategy to help understand the relationship between addition and subtraction. He explains six types of questions involving these operations and demonstrates how to solve them using part-part-whole diagrams. The video emphasizes using subtraction to solve addition problems and vice versa, providing examples with both small and large numbers. The session concludes with encouragement to practice and reach out for help if needed.

What is the main purpose of the part-part-whole strategy?

• To memorize addition and subtraction facts

• To solve multiplication problems

• To understand the relationship between addition and subtraction

• To learn division techniques

Which of the following is an example of a problem where you know the total but not one of the parts?

• 9 - 4 = ?

• 5 + 3 = ?

• 8 + ? = 18

• ? + 9 = 17

How can you solve the problem 8 + ? = 18 using subtraction?

• Add 8 and 18

• Subtract 8 from 18

• Multiply 8 by 18

• Divide 18 by 8

In the problem 1,243 = 346 + ?, what is the missing part?

• 346

• 897

• 1,243

• 1,589

What is the first step in solving a subtraction problem using addition?

• Multiply the parts

• Subtract the parts from the whole

• Add the parts together

• Identify the whole and the parts

In the problem ? - 8 = 4, what is the whole?

• 8

• 4

• 12

• 16

What is the result of 9 - 4 using the part-part-whole strategy?

• 7

• 6

• 5

• 3

How does the part-part-whole strategy help in solving problems?

• By simplifying multiplication

• By eliminating the need for memorization

• By making calculations faster

• By providing a visual representation

What is the key takeaway from the part-part-whole strategy?

• Division is the opposite of subtraction

• Multiplication is the same as addition

• Addition can solve subtraction problems and vice versa

• Addition and subtraction are unrelated

Which diagram helps in understanding which operation to use?

• Line graph

• Pie chart

• Bar graph

• Part-part-whole diagram