Complete the sentences.
🙂 = Correct, ☹️ = Incorrect
🙂
☹️
A miniature toy car is 5cm long. A real car is 40 times larger. How long is the real car in centimetres?
Need help? NoYes
Remember to multiply the miniature size by the scale factor.
What ratio did you use to scale up the car?
Complete the sentence by writing the ratio. Example: 2:1
A photo is 10 cm wide and 15 cm tall. It's enlarged to be 30 cm wide. How tall is the enlarged photo?
What ratio was uses to enlarge the photo?
A map has a scale of 1:500. A lake is 2cm long on the map. How long is the river in real life (in meters)?
A garden is 3m wide and 4m long. If you double both dimensions, what is the new width?
Doubling means multiplying by 2.
A 1:20 scale model of an aeroplane has a wingspan of 50 cm. What is the wingspan (in meters) of the real aeroplane?
A small pizza has a diameter of 20cm. A large pizza has a diameter 1.5 times bigger. What is the diameter of the large pizza in centimetres?
The house is 4 metres tall. What will be the height, in centimetres, of a 1:25 scale model of the house?
The original photo, which is 4 inches wide and 6 inches tall, was enlarged to a width of 12 inches. What is the height of the enlarged photo?
A map has a scale of 1:2000. A park is 5cm long on the map. How long is the park in real life (in meters)?
A square garden has sides of 5m. If the sides are increased by a factor of 2. what is the new area of the garden in square metres?
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