Strategic Solving Part I
These exercises and activities are for students to use independently of the teacher to practise number properties.
write family of facts based on a given equation
choose a strategy to solve addition and subtraction problems
Addition and Subtraction, AA (Stage 6)
By rearranging equations it may be easier to find a solution to the equation. Students need a clear understanding of equality to rearrnge equations correctly. This activity gives students the opportunity to revise mental strategies.
Comments on the Exercises
Asks students to revise the different ways a number fact with three numbers can be recorded to find a form that enables x to be easily calculated.
Asks students to rearrange an equation containing x , and then explain the strategy to calcualte x.
Exercise 3. This could be used as homework. It asks students to solve word problems.