Subtraction Using the Part-Part-Whole Model

What is the first step in using the part-part-whole model for subtraction?

• Add the parts together

• Subtract the whole from a part

• Find the whole number

• Identify the two parts

In the balloon example, if two balloons pop, how many are left?

• Five

• Two

• Three

• Four

How can the parts be rearranged in the balloon example?

• Five subtract four equals one

• Five subtract one equals four

• Five subtract two equals three

• Five subtract three equals two

In the example with eleven, what is the result of subtracting four?

• Seven

• Six

• Five

• Eight

What is the result of nine take away one in the final example?

• Eight

• Seven

• Nine

• Ten