NGSA Mathematics study materials
NGSA Mathematics study resources

NGSA Mathematics case studies

NGSA Mathematics · Put your knowledge to work in context.

NGSA Mathematics - often written out as the Next Generation Science Assessment Mathematics test - is a standards-based mathematics assessment used to gauge whether a student has the quantitative reasoning and problem-solving skills expected at the end of a given grade band. It is aimed at students preparing to move into more advanced coursework, at teachers and curriculum leads who need an external check on instruction, and at families who want an independent read on readiness. The NGSA Mathematics case studies are 5 cases and about 3,390 words.

1

Juice stock: choosing a supplier when the crate sizes do not match the order

Marcia sells bottled juice at the gate of a primary school in Region 4. She needs 288 bottles for the two-week term opening and has two suppliers.

657 words, about 3 min
2

Hiring chairs: comparing two delivery-plus-per-chair charges

Bacchus is on the committee organising a school's 50th-anniversary dinner. Two companies rent chairs.

624 words, about 3 min
3

Fencing a garden against the school wall with a fixed 36 m roll

The Grade 6 class is laying out a rectangular vegetable garden against the straight back wall of the school. The wall forms one side and needs no fencing; the other three sides will be fenced with the 36 m of fencing the head teacher has approved.

757 words, about 4 min
4

Fair stock and a lucky dip: mean versus median, and whether a game pays

Last year's school fair ran Monday to Friday and the tuck shop recorded the number of sandwich packs sold each day: 42, 45, 38, 47 and 128. The 128 was Friday, when a regional sports meeting brought visitors onto the compound.

724 words, about 4 min
5

Concert fundraising: checking whether the target can be reached at all

The Grade 6 class must raise 150,000 towards a national schools' mathematics competition trip. They are holding a concert in the school hall, which seats 240.

628 words, about 3 min