LEARNING OBJECTIVE: Discover how to change the letter in an expression for a number and then work out the value of the expression.
SUCCESS CRITERIA: You will be able to substitute numerical values into algebraic expressions and then work out the value of the expression - remembering the rules of BODMAS.
ENGAGEMENT ACTIVITY: Lemon Law
LESSON: Use this Lesson (screens 1 to 6) to show how substitution of variables in an expression works. Repeat question screens if needed. (Plenary - put answers onto screen on teacher machine and get students to self check their own work as they finish it).
Have a go AT This worksheet
EXTENSION WORK: Page 17 of Foundation e-text Book
PLENARY: Checking answers to worksheets, using Screen 7 & 8 to check on understanding.
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