Ages 10–11🧮 Mathematics21 verified questions on this shelf

Using Simple Formulae

Use simple formulae expressed in words or symbols to calculate values (e.g. perimeter = 2 × (length + width))

Try three questions

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Question 1 of 3

The base of a triangle is 8 cm and its height is 5 cm. What is the area of the triangle?

Question 2 of 3

A rectangle’s length is three times its width plus 2 centimeters. If the width is represented by the variable w, which algebraic expression gives the perimeter of the rectangle?

Question 3 of 3

A rectangle has a length of 7 cm and a width of 4 cm. What is its perimeter?

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