Tuesday, 16 February 2016 Integers. Tuesday, 16 February 2016 Learning Intention Success Criteria 2.Solving expressions showing working. 1.To explain.

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Presentation transcript:

Tuesday, 16 February 2016 Integers

Tuesday, 16 February 2016 Learning Intention Success Criteria 2.Solving expressions showing working. 1.To explain the process of working out expressions by substitution method. 1.Understand process of substitution. Substitution Integers

Tuesday, 16 February If a = 2 and b = 14 evaluate a + b 2+14= =16 Sub in a=2 Sub in b=14 Substitution Integers

Tuesday, 16 February 2016 If a = 3 and b = -9 evaluate a - b Remember “- -” replace by “+” 3-(-9)= = Substitution =12 Integers

Tuesday, 16 February 2016 If a = 5 and b = 6 evaluate 1.a + b 2.ab 3.3a 4.b - a 5.4b 6.3ab =11 =30 =15 =1 =24 =90 Substitution Integers

Tuesday, 16 February 2016 Now complete page 28 Ex 5.1 Q1 – Q4 Page 30 Investigation Substitution Integers Letters and Numbers extension