Mariella Galea
April 19, 2020
10:42 am
This Lesson Was Contributed By:
Mathematics Department
This Lesson is For:
Lesson Duration:
200 mins.
What Should You Expect From This Lesson?
At the end of this lesson you will be able to: [1] Derive a formula from a situation involving two or more unknown values with positive inputs. [2] Simplify linear algebraic expressions by collecting like terms. [3] Simplify algebraic expressions by multiplying linear positive terms, e.g. 4 × 5b ; 2a × 3b and can multiply a single positive term over a bracket, e.g. 3(x + 4) [4] Evaluate linear expressions by substituting positive integers. [5] Use the BIDMAS rule with positive numbers.
How To Carry Out This Lesson At Home:
Lesson [1] I can derive a formula from a situation involving two or more unknown values with positive inputs.
Watch the following video:
1. How to create a formula from a maths word problem
https://www.youtube.com/watch?v=7sY7fZtS8bc
Suggested Practice:
Formula One A2 Student Book Page 151: Number 1, 2
Formula One A2 Practice Book Page58 Number 1
Worksheet 1: Writing Formulae
Check your answers (document attached in resource section)
Lesson [2] I can simplify linear algebraic expressions by collecting like terms.
Watch the following videos:
1. Collecting like terms.
https://www.youtube.com/watch?v=CLWpkv6ccpA
https://www.youtube.com/watch?v=1DgDt6gCUKs
Suggested Practice:
Formula One A2 Student Book Page 241 Number 2
Formula One A2 Practice Book Page 93, 27.3 Number 2
Worksheet 2: Operations in Algebra Exercise 1
Check your answers (document attached in resource section)
Lesson [3] I can simplify algebraic expressions by multiplying linear positive terms, e.g. 4 × 5b ; 2a × 3b and can multiply a single positive term over a bracket, e.g. 3(x + 4)
Watch the following video:
Multiplying linear positive terms
1. https://www.youtube.com/watch?v=2QhPDNqMmZY
(1st 4:30 minutes of the clip.)
2. Multiply a single positive term over a bracket
https://www.youtube.com/watch?v=_O2ZtkC75Yg
https://www.youtube.com/watch?v=v-6MShC82ow
(1st 6:43 minutes of the clip.)
Suggested Practice:
Formula One A2 Student Book Page 237 Number 4
Formula One A2 Practice Book Page 92, Number 5
Worksheet 2 – Operations in Algebra Exercise 2
Check your answers (document attached in resource section)
Lesson [4] I can evaluate linear expressions by substituting positive integers.
Watch the following videos:
Algebra – Using Formulas
1. https://www.youtube.com/watch?v=nARfQA8Vz6c
2. https://www.youtube.com/watch?v=vYFYZpI8PEM
(1st 7:14 minutes of the clip)
Suggested Practice:
Formula One A2 Student Book Page 153 Numbers 1-5
Formula One A2 Practice Book Page 59; Numbers 1-4
Worksheet 3 – Formulae
Check your answers (document attached in resource section)
Lesson [5] I can use the BIDMAS rule with positive numbers.
Watch the following video:
Order of Operations BIDMAS
https://www.youtube.com/watch?v=xbP5fSyQ-S8
Suggested Practice:
Formula One A2 Student Book Page 239 Numbers 1-3
Formula One A2 Practice Book Page 93 (27.2) Numbers 1-2
Worksheet 4 – BIDMAS
Check your answers (document attached in resource section)
Acknowledgements: Mathematics Heads of Department
