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Safe Food Preparation

Technology • 45 • 25 students • Created with AI following Aligned with New Zealand Curriculum

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Technology
45
25 students
9 August 2026

Teaching Instructions

This is lesson 3 of 30 in the unit "From Fruit to Baking". Lesson Title: Hygiene and Knife Skills Lesson Description: Practise effective handwashing, personal hygiene, cross-contamination prevention, and safe peeling and chopping techniques under teacher supervision.

Overview

Lesson 3 of 30 in From Fruit to Baking. Students learn and practise hygienic food preparation and safe knife handling while preparing fruit under close teacher supervision.

Learning intentions

  • WALT explain why personal hygiene and clean work areas matter in food preparation.
  • WALT demonstrate effective handwashing and ways to prevent cross-contamination.
  • WALT use safe peeling and chopping techniques with appropriate control.
  • WALT follow instructions and contribute responsibly to a safe kitchen environment.

Success criteria

  • I can wash my hands correctly and prepare myself for practical food work.
  • I can identify ways bacteria and allergens can spread between hands, surfaces, equipment and food.
  • I can use the claw grip, stable chopping board and safe knife movements.
  • I can stop, place my knife safely and ask for help when unsure.

Curriculum links

  • Technological practice: developing practical knowledge and skills to prepare food safely and effectively.
  • Technological practice: following and evaluating a procedure to produce a safe, fit-for-purpose food outcome.
  • Nature of technology: understanding how hygiene and safety knowledge influence food-related technological practice.
  • Key competencies: managing self, participating and contributing, thinking, and relating to others.

Lesson structure (45 minutes)

  1. 0–5 minutes – Hook and prior knowledge Open with the hygiene and knife-safety introduction slides. Show a visual comparison of a safe and unsafe food-preparation station, then ask: “What could go wrong here, and how could we prevent it?” Briefly connect responses to the unit’s fruit-to-baking process.

  2. 5–12 minutes – Hygiene teaching and demonstration Use the next section of the hygiene and knife-safety introduction slides to teach clean uniform/apron, tied-back hair, covered cuts, no jewellery, clean hands and staying home when unwell. Demonstrate handwashing: wet, soap, scrub palms, backs, between fingers and under nails for at least 20 seconds, rinse and dry. Students practise the sequence without water first, then wash hands in small groups if facilities allow.

  3. 12–18 minutes – Cross-contamination check Distribute the hygiene and knife-safety practice sheet. In pairs, students examine short food-preparation scenarios and identify the unsafe action, the possible risk, and a safer alternative. Discuss examples such as touching a phone, using a dirty board, tasting with a used spoon, or placing ready-to-eat fruit on a surface used for raw food.

  4. 18–25 minutes – Knife-safety demonstration Refer to the knife-safety slides in the hygiene and knife-safety introduction slides. Demonstrate carrying a knife point-down, placing it safely on the bench, using a stable chopping board, keeping fingers away from the blade, using the claw grip, and cutting away from the body. Model peeling and chopping a suitable soft fruit, explaining that students must wait for a teacher check before beginning.

  5. 25–38 minutes – Supervised practical practice In groups of three or four, students collect equipment only when directed. Each student practises peeling and chopping fruit while the teacher supervises closely; other group members monitor hygiene, equipment placement and instructions. Students use the procedure and safety prompts on the hygiene and knife-safety practice sheet. Stop the class briefly if a common safety issue needs correcting. Students place prepared fruit in the designated container, clean equipment and sanitise benches according to classroom procedures.

  6. 38–43 minutes – Review and self-assessment Return to the hygiene and knife-safety introduction slides for the review prompts: “Which action best prevents cross-contamination?” and “What makes a chopping action safe?” Students complete the final self-assessment on the hygiene and knife-safety practice sheet, identifying one demonstrated strength and one skill to improve.

  7. 43–45 minutes – Exit check and pack-down Students complete the retrieval practice exit ticket slips with one hygiene rule, one knife-safety rule and a confidence rating. Collect worksheets and check that stations, sinks, rubbish and equipment are left safe and clean before dismissal.

Resources

  • the hygiene and knife-safety introduction slides
  • the hygiene and knife-safety practice sheet
  • the retrieval practice exit ticket slips
  • Aprons or clean protective clothing
  • Suitable fruit, such as apples, pears or bananas
  • Child-appropriate knives and peelers
  • Non-slip chopping boards
  • Bowls, serving containers and teaspoons
  • Soap, paper towels, sanitiser and cleaning cloths
  • First-aid kit and teacher-approved allergy information

Assessment

  • Observe each student’s handwashing sequence, personal hygiene preparation, knife carrying and cutting technique using a teacher checklist.
  • Question pairs during the worksheet activity to assess understanding of cross-contamination and prevention.
  • Review the practical outcome, workstation cleanliness, exit ticket and self-assessment to identify students needing further support before the next practical lesson.

Differentiation

  • Provide a visual step sequence, teacher modelling and repeated safety language; seat students needing support where demonstrations are clearly visible.
  • Pair students thoughtfully and allocate a non-cutting role initially if a student lacks confidence, then provide a short, closely supervised turn.
  • For EAL learners, use gestures, photographs and simple repeated terms such as “wash”, “separate”, “claw grip” and “stop”; allow oral responses to worksheet questions.
  • Extend confident students by asking them to explain why each safety action reduces risk and to coach a partner using respectful, precise feedback.

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