Understanding Part-Part-Whole Mats with Subtraction

What is the primary concept of using part-part-whole mats in subtraction?

• Part minus whole equals part

• Whole plus part equals part

• Whole minus part equals part

• Part plus part equals whole

In the first example, how many cubes are initially used as the whole?

• Seven

• Six

• Eight

• Five

After moving four cubes into one part in the first example, how many cubes are left in the whole?

• Two

• Three

• Five

• Four

In the second example, what is the initial number of cubes in the whole?

• Three

• Four

• Five

• Six

How many cubes are moved into one part in the second example?

• Four

• Three

• Two

• One

What is the result of 5 minus 4 in the second example?

• One

• Zero

• Three

• Two

In the third example, how many cubes are used as the whole?

• Five

• Eight

• Six

• Seven

How many cubes are moved into one part in the third example?

• Four

• One

• Three

• Two

What is the result of 7 minus 1 in the third example?

• Five

• Six

• Eight

• Seven

What math tool was used in the video to demonstrate the part-part-whole mats?

• Dice

• Cubes

• Blocks

• Cards