Lesson 1 – Find a rule – two step 2019
Lesson 1 Answers – Find a rule – two step 2019
Lesson 2 – Forming expressions 2019
Lesson 2 Answers – Forming expressions 2019
Lesson 3 – Substitution 2019
Lesson 3 Answers – Substitution 2019
Lesson 4 – Solve simple one-step equations 2019
Lesson 4 Answers – Solve simple one-step equations 2019