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In as many ways as you can, find the area of this rectangle:

Understand how to expand brackets by removing them & simplifying expressions. Practice & check answers for accuracy. Improve your math skills with visual aids & comparisons in this interactive lesson.

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In as many ways as you can, find the area of this rectangle:

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  1. In as many ways as you can, find the area of this rectangle:

  2. Let’s look at these three expressions: Can you see the links between each line?

  3. The process of removing the brackets and rewriting as a sum of terms is called expanding the brackets.

  4. How does the negative affect the working out?

  5. If the expression contains like terms, combine them. Why is it ? On your whiteboards, expand and simplify:

  6. In your books Title: Expanding brackets Expand the following expressions: More practice (how are these different?)

  7. Checking answers • We will look at a selection of your answers using the visualiser. • Pay close attention to the working out shown, comparing to your methods and answers: • Are there any mistakes in their working? • Are there any mistakes in your working? • Have you answered in a different way? • Correct all work in your green pen, making notes to help you in the future. • Complete any unanswered questions as we go through the answers.

  8. What if there are more than two terms in the brackets? Think about how you might expand: Try to think about it in more than one way.

  9. On your whiteboards expand:

  10. On your whiteboards expand:

  11. In your books Expand the brackets and collect like terms:

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