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S5 Int2. Algebraic Operations. Adding / Sub Indices. Negative Indices. www.mathsrevision.com. Fraction Indices. Harder Indices. S5 Int2. 1. Simplify the following fractions : . Starter Questions. Algebraic Operations. S5 Int2. Learning Intention. Success Criteria.
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S5 Int2 Algebraic Operations Adding / Sub Indices Negative Indices www.mathsrevision.com Fraction Indices Harder Indices www.mathsrevision.com
S5 Int2 1. Simplify the following fractions : Starter Questions www.mathsrevision.com
Algebraic Operations S5 Int2 Learning Intention Success Criteria • To explain how to multiply and divide indices by adding / subtracting powers. • Understand basic rules for indices. • 2. Simplify indices. www.mathsrevision.com www.mathsrevision.com
S5 Int2 an is a short hand way of writing a x a x a ……. (n factors) a is called the base number and n is called the index number Indices x 2 x 2 Calculate : 23 x 22 2 x 2 x 2 = 32 Calculate : 25 = 32 Can you spot the connection ! www.mathsrevision.com
S5 Int2 Indices Calculate : 43÷ 42 4 x 4 x 4 = 4 ÷ 4 x 4 Calculate : 41 = 4 Can you spot the connection ! am x an = a(m + n)simply add powers am÷ an = a(m - n)simply subtract powers www.mathsrevision.com
What Goes In The Box ? S5 Int2 f4 x g5 = b3 x b5= b8 a3 x a0 = y9÷ y5 = y4 Exercise 11 Page 209 www.mathsrevision.com
S5 Int2 1. Simplify the following fractions : Starter Questions www.mathsrevision.com
Algebraic Operations S5 Int2 Learning Intention Success Criteria • To explain how to hand fractional indices of powers. • Understand basic rules for fractional indices. • 2. Simplify fractional indices. www.mathsrevision.com www.mathsrevision.com
S5 Int2 Fractions as Indices More Rules By the division rule www.mathsrevision.com
S5 Int2 Fractions as Indices More Rules www.mathsrevision.com
S5 Int2 More Rules Fractions as Indices www.mathsrevision.com
S5 Int2 Fractions as Indices Exercise 12 Page 210 www.mathsrevision.com
S5 Int2 1. Rationalise the denominator : Starter Questions www.mathsrevision.com
Algebraic Operations S5 Int2 Learning Intention Success Criteria • To explain how to hand fractional indices of powers. • Understand basic rules for fractional indices. • 2. Simplify fractional indices. www.mathsrevision.com www.mathsrevision.com
S5 Int2 Fractions as Indices www.mathsrevision.com
S5 Int2 Fractions as Indices www.mathsrevision.com
S5 Int2 Fractions as Indices In general we have www.mathsrevision.com
S5 Int2 Examples : Simplify the following Fractions as Indices www.mathsrevision.com
S5 Int2 Fractions as Indices Exercise 13 Page 211 www.mathsrevision.com
S5 Int2 1. Rationalise the denominator : Starter Questions www.mathsrevision.com
Algebraic Operations S5 Int2 Learning Intention Success Criteria • To show how to simplify harder fractional indices. • Simplify harder fractional indices. www.mathsrevision.com www.mathsrevision.com
S5 Int2 Fractions as Indices Final Rule www.mathsrevision.com
S5 Int2 Fractions as Indices Examples www.mathsrevision.com
S5 Int2 Fractions as Indices Examples www.mathsrevision.com
S5 Int2 Example : Change to index form Fractions as Indices Example : Change to surd form www.mathsrevision.com
S5 Int2 Fractions as Indices Exercise 213 Page 213 www.mathsrevision.com