Year 10 · Phase 4 (Years 9-10) · Number
Percentages, ratios and rates
What the teaching sequence covers here
Apply proportional increases and decreases using multipliers, calculate the percentage increase or decrease between two numbers, and compare and use ratios and rates, such as finding speed from distance and time.
This is ChalkBee's own paraphrase of the official teaching sequence, not the Ministry's wording. Tahurangi curriculum content is Crown copyright, Ministry of Education, licensed CC BY-NC 4.0, so we describe it in our own words and cite the source: NZC Mathematics and Statistics Phase 4 (Years 9-10). Always check the official page for the exact requirement.
nz-p4-num-08. The Ministry of Education does not assign alphanumeric codes to teaching-sequence statements; this id is a stable site-internal reference.Worksheet gap
ChalkBee does not yet have a suitably matched Year 10 worksheet for this part of the teaching sequence. You can still build practice from the worksheet generator, and we would rather show a gap than overclaim coverage.