Teacher guide · Think Lab · Easier · about 30 min

🦘 Hop in 2s, 5s and 10s

Pupils practise problem solving through "Hop in 2s, 5s and 10s": Skip counting patterns.

Lesson guide

  1. 1. Hook · 5 min

    Show the 🦘 mission title and read the opening: "2, 4, 6, 8, … what comes next?". Take three quick guesses.

  2. 2. Model · 5 min

    Think aloud through the first step together. Use Cog the Owl's line as your prompt: "Good thinking. Show me the why."

  3. 3. Do · 10 min

    Pairs work through the 4 steps on screen or on the printed sheet. Circulate and ask "why?"

  4. 4. Discuss · 10 min

    Use two or three of the discussion questions. Ask pairs to share different answers, not just correct ones.

  5. 5. Reflect · 5 min

    Exit ticket: one sentence on how they used problem solving today.

Discussion questions

  • What was the hardest choice in "Hop in 2s, 5s and 10s", and why?
  • 2, 4, 6, 8, … what comes next — explain your reasoning to a partner.
  • 5, 10, 15, … next — explain your reasoning to a partner.
  • How many fingers on 4 hands? Show how you counted — explain your reasoning to a partner.
  • Where could you use problem solving outside school this week?
  • If you did this again, what would you change?

Adapting it

Support: Read prompts aloud, pair with a confident partner, and accept spoken or drawn answers for writing steps.

Stretch: Ask pupils to create their own extra step for a partner and explain the correct answer.

Curriculum links

  • National Curriculum: Maths: number, calculation, fractions and reasoning (KS1/KS2)
  • National Curriculum: Maths: reasoning mathematically and problem solving
  • National Curriculum: Computing: logical reasoning and algorithms
  • PSHE: Living in the wider world: making decisions and evaluating choices

Pupil sheet

🦘 Hop in 2s, 5s and 10s

Name: ____________________   Date: __________

  1. 1. 2, 4, 6, 8, … what comes next?

    ☐ 10

    ☐ 12

    ☐ 9

  2. 2. 5, 10, 15, … next?

    ☐ 16

    ☐ 20

    ☐ 25

  3. 3. Count in 10s.

    ___ 10

    ___ 20

    ___ 30

    ___ 40

  4. 4. How many fingers on 4 hands? Show how you counted.