Lesson 08: Equal and Equivalent | Unit 6: Expressions and Equations

Draw

Draw tape diagrams that represent $$x + 3$$ and $$2x$$ when $$x$$ is 1.

Draw

Draw tape diagrams that represent $$x + 3$$ and $$2x$$ when $$x$$ is 2.

Draw

Draw tape diagrams that represent $$x + 3$$ and $$2x$$ when $$x$$ is 3.

Draw

Draw tape diagrams that represent $$x + 3$$ and $$2x$$ when $$x$$ is 4.

Open Ended

When are $$x+3$$ and $$2x$$ equal? When are they not equal? Use your diagrams to explain.

Multiple Choice

Do $$4x$$ and $$15+x$$ have the same value when $$x$$ is 5?

• Yes

• No

Open Ended

Are $$4x$$ and $$15+x$$ equivalent expressions? Explain your reasoning.

Draw

Show that $$2b + b$$ and $$3b$$ have the same value when $$b$$ is 1, 2, and 3.

Open Ended

Do $$2b +b$$ and $$3b$$ have the same value for all values of $$b$$ ? Explain your reasoning.

Open Ended

Are $$2b+b$$ and $$3b$$ equivalent expressions?