Home > Subjects > Mathematics > Level 1 > 1.7 Number (AS90151) > Achievement criteria
- Subject: Mathematics
- AS: 90151
- Level: 1
- Credits: 3
- External
Mathematics 1.7 Solve straightforward number problems in context
Achievement criteria
The level of achievement that you reach is decided by the questions that you answer correctly.
Achievement
- Be able to solve straightforward number problems set in everyday contexts.
- Be able to solve problems about:
- making sensible estimates and checking the reasonableness of results
- integers
- fractions
- decimals and/or percentages
- percentage increase or decrease (mark-up, discount, GST or equivalent)
- expressing one quantity as a percentage of another
- sharing quantities in a given ratio
Achievement with Merit
- You need to reach Achievement.
- Be able to solve problems that are set in a context and that involve manipulation, several steps, or reversing processes.
- Problems will involve:
- finding the original quantity given a percentage change
- finding the GST-exclusive price from the GST-inclusive price
- manipulation of numbers expressed in standard form solving multi-step problems from the range given in Achievement.
Achievement with Excellence
- You need to reach Achievement with merit.
- Be able to devise a strategy to solve a number problem.
- The problem may involve a situation like budgeting, fund-raising, or hire purchase.
- The strategy may require multiple and sequential number calculations to support decisions, or an extended sequence of number calculations to support decisions.
- Be able to communicate the strategy and problem-solving process clearly.
- Use the correct mathematical statements to identify what is being calculated at each step, and set it out logically.
