Winter STEM sled design challenge Grades 2-4 maths pack — a design-process pack that pairs a paper-sled brief with 28 measurement and planning problems. A STEM design challenge asks students to plan, build and test a solution; here the maths pages practise length, area, perimeter, budgets and fair-test data while teams imagine improving a sled for a classroom ramp test.
What’s included: teacher notes with success criteria; 12 Level 1 planning and measurement problems; 12 Level 2 area, perimeter, mean and budget problems; 4 Challenge multi-step items; a support page for the ask–imagine–plan–create–test–improve loop; full answer keys with working; editable DOCX; colour and black-and-white PDFs; UK A4 edition (Years 3–5).
Teach time: maths pages 20–30 minutes each; optional build sessions 30–45 minutes with card, craft sticks and tape. Differentiation: Level 1 early measurement, Level 2 area and data, Challenge stretch. Curriculum: NGSS ETS1 practices; CCSS 2.MD–4.MD; England NC design and technology plus measurement. Secular winter theme (replaces the planned harvest STEM centrepiece for Christmas-season demand). Last updated October 2026.
This winter STEM sled design pack pairs well with holiday maths escape rooms. Related resources: [RELATED: Design Your Own Theme Park], [RELATED: Toy Workshop Rescue — https://www.tes.com/teaching-resource/13623664], [RELATED: Winter Word Problems Grades 2-3].
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$2.99