Weds Dec 14th – More substitution into an algebraic expression

LEARNING OBJECTIVE: To practise working out the value of an algebraic expression by substituting the letter(s) for numbers

SUCCESS CRITERIA: You will be able to work out the value of an expression given the values for the letters

STARTER: In each of the following expressions use these values

a = 3, b = 5, c = 8, d = 2.5, e = -3

1. 5a =
   
2. 3b =
   
3. 7c =
   
4. a + 7 =
   
5. b – 3 =
   
6. c – 5 =
   
7. c ÷