Unit 1
3 marks · EasyA rectangle has a length of 8 cm and a width of 3 cm. Consider the fraction .
Write down the name of this shape.
Calculate the perimeter of the rectangle.
Simplify the fraction to its lowest terms.
Work this out on paper, then compare with the answer and worked solution below. With a free account you can submit written answers for marking.
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(a) rectangle
(b) 22 cm
(c) \frac{3}{4}
Also accept: rectangle (for a); rectangular (for a)
Show mark scheme and worked solution
Marking points
B1 (a) · 1 mark · Correctly names the shape as rectangle.
A1 (b) · 1 mark · Calculates the perimeter accurately: 8 + 3 + 8 + 3 = 22 cm.
A2 (c) · 1 mark · Simplifies correctly to its simplest form (already simplest).
Worked solution
a) The shape is a rectangle.
b) Perimeter = 2 x (8 + 3) = 2 x 11 = 22 cm.
c) is already in its lowest terms.