Term 2, week 4 - Maths
Task description
Dear Year 7s,
Here is your independant learning task for the week and some instructions:
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Find the measurements like you’re spying on the shape’s secret life.
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Use the right formula or the Maths Police will issue you a “Confusion Warning.”
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Show your working so your future self doesn’t scream, “WHAT WAS I DOING?!”
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Check your answer—if the area is bigger than Earth, try again.
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Write it neatly, because ancient archaeologists should not be needed to decode your maths.
Have fun!
Area of Rectangles and Triangles
Duration: 1 hour
1. Warm-up Quiz (10 minutes)
Answer the questions below in the spaces provided.
- What is the formula for the area of a rectangle?
- A rectangle is 8 cm long and 5 cm wide. What is its area?
- What is the formula for the area of a triangle?
- A triangle has a base of 10 cm and a height of 6 cm. What is its area?
- Give one real-life example where you might need to find area.
1b. Extra Warm-up: Perimeter of a Rectangle
Write the formula for the perimeter of a rectangle and answer the question.
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Formula for perimeter: ______________________________________
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A rectangle is 9 cm long and 4 cm wide. Find its perimeter.
2. Interactive Task: Shape Hunt at Home (15 minutes)
Find one rectangular object and one triangular object (or make one from paper). Measure and calculate their areas.
Rectangle
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Object: _________________________________________
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Length: __________ cm
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Width: __________ cm
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Area calculation:
Triangle
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Object: _________________________________________
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Base: __________ cm
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Height: __________ cm
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Area calculation:
3. Video Learning (10 minutes)
Watch this video explaining area and perimeter:
Video: Calculating area and perimeter | Maths - Kick Sum Maths (Link: https://www.youtube.com/watch?v=EZ7B2sCkGUo)
Write one thing you learned from the video:
- Key learning: ___________________________________________
4. Mini Challenge Sheet (10 minutes)
Write one thing you learned from each video.
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Rectangle video: ___________________________________________
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Triangle video: _____________________________________________
4. Mini Challenge Sheet (15 minutes)
Show all working clearly.
Rectangle Problems
(Include area and perimeter where possible) ** 1. A garden is 12 m long and 7 m wide. Find the area.
- A laptop screen measures 30 cm by 20 cm. Find the area.
Triangle Problems
- A triangle has a base of 9 cm and a height of 4 cm. Find the area.
- A triangular flag has an area of 50 cm² and a height of 10 cm. Find the base.
Mixed Real-Life Challenge
- A bookmark has two parts:
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A triangular top (base 5 cm, height 8 cm)
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A rectangular bottom (length 12 cm, width 5 cm)
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Find the total area of the bookmark.
5. Exit Ticket (10 minutes)
Create a short written explanation, diagram, or mini poster explaining: - The formula for the area of a rectangle - The formula for the area of a triangle - One real-life example where area is used - One problem from today’s work (show your working)
Write your explanation on a sheet.