Jack is making bags of fudge for the school fair. There needs to be 5 pieces of fudge in each bag. He has 15 pieces. How many bags can he make? |
Student: Five and five makes ten. That's 2 bags. Ten and five make 15. So that's 3 bags altogether. |
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At the Early Additive stage, students have begun to recognise that numbers are abstract units that can be treated simultaneously as wholes or can be partitioned and recombined. This is called part-whole thinking. |