Beginner
40 mins
Teacher/Student led
+65 XP
Teacher-led from the board. Pupils do not need a device, but can follow on one.

Combining Two Sets, How Many Altogether?

Pupils join two separate groups of objects and count the total number in the combined group. They learn to use the word altogether to name this total through demonstrations with counters and drawing activities in their copybooks.

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    1 - Getting Started ~3 mins

    Illustration for Getting StartedLook at the picture on our board: 3 apples and 2 bananas. Altogether means how many when we put both groups together. I wonder how many pieces of fruit that is altogether? How could we check?

    2 - Watch and Notice ~7 mins

    Two groups of counters have joined on the ten-frame. Find each group, then count how many there are altogether.

    3 - Try It Together ~7 mins

    One pupil builds two groups on the ten-frame. We watch and count how many altogether. First pair: 2 and 3.

    Join two sets

    4 - Draw the Dots in Your Copy ~4 mins

    COPYBOOK MOMENT

    In your maths copy, draw 4 apples and 2 bananas as simple dots, one dot for each piece of fruit. Then write how many pieces of fruit there are altogether.

    5 - Class Challenge ~6 mins

    Some counters are already on the frame. Add the rest and say how many there are altogether.

    How many altogether?

    Pupil practice
    Module 2 · Addition Within 20: Combining, Plus and Equals Number
    Lesson 13 · Combining Two Sets, How Many Altogether?
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