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Home > Stage 3 > Additive relations > Round up or down - outdoor
Suggested content:
Suggested content:
Use estimation and place value understanding to determine the reasonableness of solutions
Round numbers appropriately when obtaining estimates to numerical calculations
Equipment
Equipment
Outdoor playing area
Number cards
8 markers per group (to set out each playing area).
8 markers (to set out the 'no-go-zone zone).
Activity set-up
Activity set-up
Set out the playing area (25 students = approximately 25m x 25m).
Divide playing area in half and create an area (approximately 1m), called the 'no-go-zone'.
How to play
How to play
Players decide if a number should be ‘round down’ or ‘round up’ by running towards the appropriate baseline.
All students line up along the centre line.
Explain to students that the marked line to left of the centre line is 'round down' and the line to the right of the centre line is 'round up'.
The teacher calls out or shows a number.
Students must run to get to the corresponding destination as fast as possible deciding if the number should be round down or round up.
Variations
Variations
Vary the starting positions (e.g. standing on one leg or crouching down).
Increase or decrease the distance to the baseline.
Vary the locomotor movement used
Increase or decrease the number called.
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