Number Discovery

Overview

This 6-minute activity focuses on identifying and filling in missing numbers between 1 and 10. It is specifically designed for preschool (Year 0) students in New Zealand, aligned with the New Zealand Curriculum Refresh for Phase 1 mathematics learning. The activity encourages number recognition, counting skills, subitising, and foundational number sequencing, supporting early numeracy development in a playful, accessible way.

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Learning Objectives (From NZ Curriculum Refresh Phase 1 — Mathematics and Statistics)

We Are Learning To (WALT):

• Recognise numbers from 1 to 10 in different sequences.
• Identify missing numbers in a sequence from 1 to 10.
• Count forwards and backwards within 1 to 10.

Success Criteria:

• I can say the numbers from 1 to 10 in order.
• I can spot a missing number from a sequence and say what it is.
• I can count forwards and backwards with help.

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Curriculum Links and Competencies

• Mathematics and Statistics | Number and Algebra | Number Structure: Count forwards or backwards from any whole number between 1 and 10
• Key Competencies: Thinking (recognising patterns and sequences), Using language (mathematical vocabulary like “missing”, “before”, “after”), Participating and Contributing (group activity)
• Teaching considerations: Use concrete, pictorial, and oral representations; encourage children to use their fingers, counters, or number cards

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Materials Needed

• Number cards from 1 to 10 (one set per group)
• Large number line poster 1 to 10 (with gaps for missing numbers)
• Counters or small objects (e.g., blocks)
• Whiteboard and marker or chart paper
• Worksheet with missing number sequences (optional for follow-up activity)
• Timer or visual countdown (to keep attention)

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Lesson Plan Details

Time: 6 Minutes

Group Size: 20 preschool children

Setting: Carpet or table space for group interaction

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Activity Breakdown

1. Warm-up Counting (1 min)

• Teacher invites the class to count together aloud from 1 to 10.
• Use hand motions or finger counting to engage kinaesthetic learners.

2. Introduction: Missing Number Concept (1 min)

• Show the number line poster with several numbers missing (e.g., 1, _, 3, 4, _, 6, …).
• Ask: “Which numbers do you think are missing?”
• Model saying the sequence aloud, pausing at missing numbers to invite responses.

3. Guided Practice: Whole Class Interactive (2 mins)

• Using number cards, place 8 cards in order with two numbers missing.
• Encourage children to hold up the correct missing number card.
• Use counters to visually show “gaps” and “fills” to support understanding.

4. Partner Work: Mini Missing Number Challenge (1.5 mins)

• Children pair up with number cards 1-10 each.
• Give each pair a mini number line with a different missing number (e.g., _ 2 3 4, or 1 2 _ 4).
• They discuss and say the missing number aloud to each other.
• Teacher circulates and offers cues or praise.

5. Recap and Affirmation (0.5 mins)

• Gather children again, recite numbers 1 to 10.
• Ask one or two children to share which missing numbers they found.
• Celebrate all efforts.

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Differentiation Strategies

• For Diverse Learners:

  • Provide tactile aids (e.g., textured number cards).
  • Use visual supports like colourful number cards, calm quiet space for children needing less distraction.
  • Use te reo Māori counting alongside English (e.g., tahi, rua, toru…) to embrace heritage languages and scaffold understanding.

• Extension for Advanced Learners:

  • Challenge them with missing numbers in sequences from 1-20.
  • Introduce simple addition/subtraction facts related to missing numbers (e.g., 5 + _ = 7).

• Dyslexia-Friendly Strategies:

  • Use clear, large font number cards with good spacing.
  • Present numbers vertically and horizontally.
  • Combine visual, oral, and manipulative teaching aids.

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Assessment

• Informal ongoing observation noting who confidently identifies missing numbers and who may need further scaffolding.
• Use simple checklist:
  • Recognises number sequence from 1-10
  • Can identify at least 3 missing numbers
  • Participates in counting aloud
• This formative assessment guides subsequent planning.

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Follow-up Activity Suggestion

• Worksheet with simple missing number sequences 1-10 to colour or write in answers using pencil grip support.
• Use wooden number blocks to build the sequence and physically insert missing blocks.

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Summary

This highly interactive 6-minute session aligns with the NZ Curriculum Refresh for early years mathematics learning by engaging young learners through counting, recognition, and problem-solving foundational skills. It uses oral, visual, and tactile modes that foster inclusiveness and scaffold children's confidence with numbers 1 to 10.

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This plan integrates carefully scaffolded learning with key cultural and developmental considerations tailored for new entrant (Year 0) students aged 5 and under in New Zealand, using WALT and success criteria to guide teaching and assessment.

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