86 P6.AG.JC.23030112
Level 3 PSLE
The figure is made up of two rectangles, ABHF and FGDE, and two right-angled isosceles triangles, BCH and DCG. BA = 13 cm, DE = 8 cm and BH = w cm. AFE and CHGF are straight lines.
  1. Find the length of AE in terms of w. Give your answer in the simplest form.
  2. Find the total area of the figure when w = 16.
3 m
Algebra in 1 variable Algebra substitution Length Area perimeter Rectangle Isosceles triangle
87 P6.AG.JC.17080459
Level 3
Mrs Jensen paid a total of $38 for 3n pens and 4 markers. Each pen cost $2.
  1. Express the cost of 1 marker in terms of n.
  2. If n = 4, how much did each marker cost?
3 m
Algebra in 1 variable Algebra simplifying Algebra substitution Algebra fractions Money
88 P6.AG.JC.17080457
Level 3
A van travels 20 km in 5r minutes. How far will it travel in 2 hours?
3 m
Algebra in 1 variable Algebra simplifying Algebra fractions Unit conversion Distance apart Units method
89 P6.AG.JC.17080468
Level 3
The cost price of a necklace was $9w. Dorothy decided to make 10% profit from the necklace. During a sale, a customer bought the necklace at a discount of 10%. What was Dorothy's loss?
4 m
Algebra in 1 variable Algebra simplifying Profit & loss
90 P6.AG.JC.17080467
Level 3
Ali is b years old. Bill is four times as old as Ali and Calvin is 6 years younger than Bill.
  1. Express Calvin's age in terms of b.
  2. Ali is 10 years old as of now. ln how many years' time will Calvin be 3 times as old as Ali?
4 m
Algebra in 1 variable Algebra simplifying More than or less than Times as many Units method

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