Notes for whole chapter

• Remind students to put units with all of their answers.
• Encourage students to estimate their answers first.
• Encourage students to write down their working

Rich tasks

• These are problem solving open-ended questions that require students to investigate problems involving perimeter and area. The tasks can be given at the start of a topic and done as the students gain enough knowledge to complete them, inserted into a topic at an appropriate place or given as homework or extension.

1. Hands and feet on (perimeter task)
2. Nine squares (perimeter task)
3. Sounds great (perimeter task)
4. Square people (area task)
5. True or not true (area task)
6. The same but different (area task)

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Perimeter

• Find the perimeter of squares, rectangles, and parallelograms with whole number and simple decimal dimensions.
• Find missing lengths given the perimeter.

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Area

• Choose the appropriate area units.

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Area by counting squares

• Find the area of shapes drawn on squared paper.

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Area of rectangles, squares and parallelograms

• Use formulae to find the area of rectangles, squares and parallelograms in non-contextual and contextual questions.

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Area of shapes made from rectangles and squares

• Find the area of composite shapes made from rectangles and squares.

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