Strategic Solving Part III
Teaching Notes:

These exercises and activities are for students to use independently of the teacher to practise number properties.

Number Framework Domain and Stage:

Addition and Subtractions AM

Curriculum Reference:

NA 4-7: Form and solve simple linear equations.

NA 4-2: Understand addition and subtraction of fractions, decimals and integers.

NP Book Reference:

These exercises and activities follow from the AM teaching episodes from Book 5and are for those students who are able to use the number properties of addition and subtraction.

Prior knowledge: students should be able to…

During these activities students will meet:


Exercise 1 – Students are not required to know any methods of solving equations to be able to solve these problems. The requirement is that they immediately write the equation in a form that tells them the calculation they need to do (for learning this skill with whole numbers see Task: Strategic Solving Part I). Students will be required to select an appropriate Add / Sub strategy in order to calculate x.

Homework Exercises:

Exercise 2 could be used as homework.

Practice exercises with answers.

PDF (21KB) or Word (143KB)