Mathematics and Statistics · Years 7–8 · NZ Curriculum
Number
What Mathematics and Statistics intermediate students in Aotearoa New Zealand learn under number, and where it shows up across Kōkiri Learn's inquiry worlds.
Mathematics and Statistics · 10 inquiry worlds cover this strand
New Zealand Curriculum, Phase 3
The teaching sequence
Year 7 sequence
- Exponents, square roots, order of operations
- Primes, factors and multiples
- Negative numbers on a number line
- Fractions, decimals and percentages; money and discounts
Year 8 sequence
- Prime factors, square and cube numbers
- Adding and subtracting negative numbers
- Ratio
- Financial plans: savings, phone plans, budgets
Where this shows up
Kōkiri Learn inquiry worlds that cover this strand
The whole class works on one world at a time — these are where this strand's focus actually comes up.
4 weeksWhat the Data ShowsYear 7 sequence · Converting between fractions, decimals and percentages to describe proportions of a dataset; rounding to check that summary values are reasonable
5 weeksMoney Moves: Budgets, Percentages and InterestYear 7 sequence · Converting between fractions, decimals and percentages; finding percentages of whole numbers and the whole from a percentage; total cost and change for transactions with cash rounded to the nearest 10 cents; applying percentage discounts to whole-dollar amounts; proportional reasoning with ratios
5 weeksGames of Chance: Probability LabYear 7 sequence · Converting between fractions, decimals and percentages
5 weeksNumber Detectives: Primes, Powers and CodesYear 7 sequence · Prime and composite numbers (identifying primes to 100), divisibility rules for 2, 3, 4, 5, 6, 8, 9 and 10, and finding the HCF and LCM of two numbers
- 5 weeksNumber Detectives: Primes, Powers and Codes
Year 7 sequence · Exponent notation with positive exponents, identifying square roots of square numbers, locating and ordering integers on a number line, and evaluating expressions using the order of operations
5 weeksPatterns, Proof and PredictionYear 8 sequence · Square and cube numbers and their roots, exponent notation (2ⁿ for doubling), prime factors, and rounding and estimation to check predictions
- 5 weeksMoney Moves: Budgets, Percentages and Interest
Year 8 sequence · Creating and comparing weekly, monthly and yearly finance plans (saving plans, phone plans, budgets and 'buy now, pay later'); applying percentage discounts to any amount; using percentages to increase or decrease a quantity; dividing a quantity in a given ratio
5 weeksMeasure Up: Designing SpacesYear 8 sequence · Ratio and scale factors, rounding and estimation to check that measurements and quantities are reasonable, and costing materials
- 5 weeksNumber Detectives: Primes, Powers and Codes
Year 8 sequence · Expressing whole numbers as a unique product of prime factors using exponents (e.g. 36 = 2² × 3²), evaluating square and cube roots, and evaluating expressions with integers using the order of operations
5 weeksOur Money, Our CommunityYear 8 sequence · Percentages, rates and repeated percentage growth to calculate interest, GST and exchange rates in real money problems
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