To expand brackets with surds Date 24 May

To expand brackets with surds Date: 24 May 2021 Recall • Homework due: Check Hegarty Maths for homework set by your teacher

To expand brackets with surds Goal-Free Date: 24 May 2021 Homework due: Check Hegarty Maths for homework set by your teacher

To expand brackets with surds Learning Objectives • To simplify surds with single brackets • To simplify surds with double brackets

To expand brackets with surds Hook (same/different)

To expand brackets with surds – I do x 5 (2 + √ 3) = 10 + 5√ 3 x When the commentary has finished click here Hint: Just treat the surd as if it was the letter x

To expand brackets with surds – We do / You do x Click here first 4 (√ 5 - 7) = 4√ 5 - 28 x Hint: Just treat the surd as if it was the letter x

To expand brackets with surds – You do 4(5 + √ 3) = 5 (2 + √ 3) = 10 + 5√ 3 9(√ 8 - 4) = -2(16 - √ 3) =

To expand brackets with surds – You do 4(5 + √ 3) = 20 + 4√ 3 5 (2 + √ 3) = 10 + 5√ 3 9(√ 8 - 4) = 9√ 8 - 36 -2(16 - √ 3) = 2√ 3 - 32

To expand brackets with surds – Practice

To expand brackets with surds – Practice = 4 + 2√ 2 = 3√ 5 + 6 = 30 + 3√ 15 = 15 - 5√ 2 = 8√ 5 - 40 = 18 - 9√ 2

To expand brackets with surds – Practice

To expand brackets with surds – Practice = -12√ 7 + 30 =-8 + 6√ 7 = -16 + 8√ 8 = 8√ 4 - 2√ 28 = 9√ 10 - 15√ 2

To expand brackets with surds – I do Simplifying Expressions with Surds 1) 2) 3)

To expand brackets with surds – I do 1. 2.

To expand brackets with surds – We do

To expand brackets with surds – We do - Answers

To expand brackets with surds – I do

To expand brackets with surds – We do

To expand brackets with surds – We do - answer

To expand brackets with surds - Practice

To expand brackets with surds – Practice - Answers

To expand brackets with surds – Exit ticket Complete the two exit tickets to demonstrate thinking and understanding

To expand brackets with surds – Exit ticket - answers Complete the two exit tickets to demonstrate thinking and understanding