Level 2
John used 3 rubber bands to form the sides of triangle ABC where AB = 8 cm, BC = x cm and AC = 2x cm. Bob stretches two of the elastic bands and enlarges triangle ABC. The sides BC and AC are stretched to 2 times its original length. What is the perimeter of the stretched triangle ABC?
2 m
Level 2 PSLE
The figure is made up of two rectangles ABEF and BCDE. AF = 4 cm, FE = y cm and the area of BCDE is (4 + 5y) cm2. Find the area of ACDF in terms of y. Give your answer in the simplest form.
2 m
Level 2
The average mass of Lynn and Joan is 18p kg. If Joan is 4p kg lighter than Lynn, find Lynn's mass in kg.
2 m
Level 3
During a sale, a watch with a selling price of $180 was given 2n% discount. If Fina bought it at the discounted price, how much did she save?
2 m
Level 1 PSLE
Find the value of the following when w = 2.
  1. 15 + 3w
  2. w - 59
2 m