

Miriam Bugeja

October 23, 2020

10:32 am
This Lesson Was Contributed By:
The Mathematics Department
This Lesson is For:
Lesson Duration:
80 mins.
What Should You Expect From This Lesson?
At the end of this lesson you will be able to: [1] Evaluate simple expressions with three positive inputs; [2] Evaluating formula in problems.
How To Carry Out This Lesson At Home:
Lesson [1] Evaluate simple expressions with three positive inputs
Watch the following videos:
1. Substitution – https://www.youtube.com/watch?v=d9BdbdFRZF4 (up to 0.52)
2. Substitution in Algebra – https://www.youtube.com/watch?v=GOCZxBXQZro (up to 1.44)
3. Algebra: Substitution into a formula – https://www.youtube.com/watch?v=C2xJbUlC5AA
Suggested Practice:
Evaluating Expressions and Formulae Worksheet Pack – Worksheet 1 (document attached in the Resources Section)
Check your answers (document attached in the Resources Section)
Lesson [2] Evaluating formulae in problems
Watch the following videos:
1. Evaluate expressions with variables – https://www.youtube.com/watch?v=DOKiZfX9ePk (up to 2.10)
2. Evaluating Formulas – https://www.youtube.com/watch?v=D3PWrPF_7oM
Suggested Practice:
Evaluating Expressions and Formulae Worksheet Pack – Worksheets 2 and 3 (documents attached in the Resources Section)
Check your answers (document attached in the Resources Section)
Acknowledgements: Ms Joanne Cilia (HoD) and Mr David Debono (Asst. Head)