← Kablam
One screen. The whole class.

Joining and separating

Joining and separating: Put together, take apart → Pairs that make a number → Make ten → Small number stories → Five in different ways.

Learning goals

  • Represent joining/separating stories with objects or drawings.
  • Decompose numbers to 10 in more than one way.
  • Find the missing part needed to make 10 from a given number 1–9.
  • Solve addition/subtraction within 10 and explain a representation.
  • Reason fluently about facts within 5 without relying on speed.

A suggested order, with freedom to open or replay any available activity. Played activities help teachers continue a sequence; they do not measure mastery.

Open this path in the classroom

Before you begin

  • Informal counting, spoken quantity words and experience with objects.

One computer and a whiteboard or shared display. Pupils participate without accounts. The teacher sets the pace and can repeat or skip each activity.

  1. Put together, take apart · Free

    Represent joining/separating stories with objects or drawings.

  2. Pairs that make a number · Pro

    Decompose numbers to 10 in more than one way.

  3. Make ten · Pro

    Find the missing part needed to make 10 from a given number 1–9.

  4. Small number stories · Pro

    Solve addition/subtraction within 10 and explain a representation.

  5. Five in different ways · Pro

    Reason fluently about facts within 5 without relying on speed.