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Double Brackets – Expanding – Without Coefficients – Card Match

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Presentation on theme: "Double Brackets – Expanding – Without Coefficients – Card Match"— Presentation transcript:

1 Double Brackets – Expanding – Without Coefficients – Card Match
In this activity students work individually or in groups to match questions and answers. Instead of cutting out cards, students can letter questions and answers that go together.

2 Printing To print handouts from slides -
Select the slide from the left. Then click: File > Print > ‘Print Current Slide’ To print multiple slides - Click on a section title to highlight all those slides, or press ‘Ctrl’ at the same time as selecting slides to highlight more than one. Then click: File > Print > ‘Print Selection’ To print double-sided handouts - Highlight both slides before using ‘Print Selection’. Choose ‘Print on Both Sides’ and ‘Flip on Short Edge’.

3 𝑥2+3𝑥−10 𝑥2−9𝑥+20 𝑥2−8𝑥+15 𝑥2+8𝑥+15 𝑥+7 ( 𝑥−1 ) 𝑥2−10𝑥+16 𝑥2−𝑥−12
Expand the double brackets. Watch out! There are extra answers that are not needed! 𝑥2+3𝑥−10 𝑥2−9𝑥+20 𝑥2−8𝑥+15 𝑥2+8𝑥+15 𝑥+7 ( 𝑥−1 ) 𝑥2−10𝑥+16 𝑥2−𝑥−12 𝑥+6 ( 𝑥+3 ) 𝑥2−2𝑥−8 𝑥2+9𝑥+20 𝑥+5 ( 𝑥−2 ) 𝑥2+9𝑥+18 𝑥2+4𝑥−5 𝑥2+6𝑥−7 𝑥+4 ( 𝑥+5 ) 𝑥2−𝑥−6 𝑥+3 ( 𝑥+5 ) 𝑥−2 ( 𝑥−8 ) 𝑥−3 ( 𝑥−5 ) 𝑥+2 ( 𝑥−4 )

4 Half Answers 𝑥+3 ( 𝑥+5 ) 𝑥2+8𝑥+15 𝑥+4 ( 𝑥+5 ) 𝑥2+9𝑥+20 𝑥+6 ( 𝑥+3 )
Factorise the expressions into two brackets. Watch out! There are extra answers that are not needed! Half Answers 𝑥+3 ( 𝑥+5 ) 𝑥2+8𝑥+15 𝑥+4 ( 𝑥+5 ) 𝑥2+9𝑥+20 𝑥+6 ( 𝑥+3 ) 𝑥2+9𝑥+18 𝑥+7 ( 𝑥−1 ) 𝑥2+6𝑥−7 𝑥+2 ( 𝑥−4 ) 𝑥2−2𝑥−8 𝑥+5 ( 𝑥−2 ) 𝑥2+3𝑥−10 𝑥−2 ( 𝑥−8 ) 𝑥2−10𝑥+16 𝑥−3 ( 𝑥−5 ) 𝑥2−8𝑥+15 𝑥2+4𝑥−5 𝑥2−𝑥−12 𝑥2−𝑥−6 𝑥2−9𝑥+20

5 Answers 𝑥+3 ( 𝑥+5 ) 𝑥2+8𝑥+15 𝑥+4 ( 𝑥+5 ) 𝑥2+9𝑥+20 𝑥+6 ( 𝑥+3 ) 𝑥2+9𝑥+18
Factorise the expressions into two brackets. Watch out! There are extra answers that are not needed! Answers 𝑥+3 ( 𝑥+5 ) 𝑥2+8𝑥+15 𝑥+4 ( 𝑥+5 ) 𝑥2+9𝑥+20 𝑥+6 ( 𝑥+3 ) 𝑥2+9𝑥+18 𝑥+7 ( 𝑥−1 ) 𝑥2+6𝑥−7 𝑥+2 ( 𝑥−4 ) 𝑥2−2𝑥−8 𝑥+5 ( 𝑥−2 ) 𝑥2+3𝑥−10 𝑥−2 ( 𝑥−8 ) 𝑥2−10𝑥+16 𝑥−3 ( 𝑥−5 ) 𝑥2−8𝑥+15 𝑥2+4𝑥−5 𝑥2−𝑥−12 𝑥2−𝑥−6 𝑥2−9𝑥+20

6 𝑥2+3𝑥−10 𝑥2−9𝑥+20 𝑥2−8𝑥+15 𝑥2+8𝑥+15 𝑥+7 ( 𝑥−1 ) 𝑥2−10𝑥+16 𝑥2−𝑥−12
Expand the double brackets. Watch out! There are extra answers that are not needed! Expand the double brackets. Watch out! There are extra answers that are not needed! 𝑥2+3𝑥−10 𝑥2−9𝑥+20 𝑥2−8𝑥+15 𝑥2+8𝑥+15 𝑥+7 ( 𝑥−1 ) 𝑥2−10𝑥+16 𝑥2−𝑥−12 𝑥+6 ( 𝑥+3 ) 𝑥2−2𝑥−8 𝑥2+9𝑥+20 𝑥+5 ( 𝑥−2 ) 𝑥2+9𝑥+18 𝑥2+4𝑥−5 𝑥2+6𝑥−7 𝑥+4 ( 𝑥+5 ) 𝑥2−𝑥−6 𝑥+3 ( 𝑥+5 ) 𝑥−2 ( 𝑥−8 ) 𝑥−3 ( 𝑥−5 ) 𝑥+2 ( 𝑥−4 ) 𝑥2+3𝑥−10 𝑥2−9𝑥+20 𝑥2−8𝑥+15 𝑥2+8𝑥+15 𝑥+7 ( 𝑥−1 ) 𝑥2−10𝑥+16 𝑥2−𝑥−12 𝑥+6 ( 𝑥+3 ) 𝑥2−2𝑥−8 𝑥2+9𝑥+20 𝑥+5 ( 𝑥−2 ) 𝑥2+9𝑥+18 𝑥2+4𝑥−5 𝑥2+6𝑥−7 𝑥+4 ( 𝑥+5 ) 𝑥2−𝑥−6 𝑥+3 ( 𝑥+5 ) 𝑥−2 ( 𝑥−8 ) 𝑥−3 ( 𝑥−5 ) 𝑥+2 ( 𝑥−4 )

7

8 tom@goteachmaths.co.uk Questions? Comments? Suggestions?
…or have you found a mistake!? Any feedback would be appreciated . Please feel free to


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