In this lesson, we will learn how to solve one-step equations where the unknown is either a symbol or a letter using models.

Q1:

If 𝑥−2=9, what is the value of 𝑥?

Q2:

The diagram can be used to solve the equation 𝑣−16=32.

What is the missing number in the diagram?

What is the value of 𝑣?

Q3:

The equation 𝑚−6=18 can be solved using a tape diagram as shown.

The next step to solve the equation is represented by the given diagram. What is the missing number?

This leads to the following diagram given that 𝑚−6=18.

Which of the following calculations gives the value of 𝑚?

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