Math Games

Year 8 - Number and Algebra

Standard 8.OA.1.2 - Solve proportions to find the missing number.

Included Skills:

Real numbers
• Investigate terminating and recurring decimals
- recognising terminating, recurring and non-terminating decimals and choosing their appropriate representations
• Investigate the concept of irrational numbers, including Ï€
- understanding that the real number system includes irrational numbers
• Solve problems involving the use of percentages, including percentage increases and decreases, with and without digital technologies
- using percentages to solve problems, including those involving mark-ups, discounts, and GST
- using percentages to calculate population increases and decreases
• Solve a range of problems involving rates and ratios, with and without digital technologies
- understanding that rate and ratio problems can be solved using fractions or percentages and choosing the most efficient form to solve a particular problem
- calculating population growth rates in Australia and Asia and explaining their difference