Level 1
Find the value of 48 ÷ 4 + (8 - 3 x 2) x 2.
2 m
Level 3
Irene has enough flour to bake either 21a tarts or 18 biscuits. If she has finished baking 5a tarts and 6 biscuits, how many more tarts can she still bake in terms of a?
2 m
Level 2
An equilateral triangle, XYZ, is folded as shown in the figure. Find
  1. ∠BAZ
  2. ∠YBZ.
2 m
Level 2
The figure shows a piece of rectangular paper ABCD folded at two of its corners C and D. Given that ∠DFE = 21° and ∠CFG = 15°, find ∠CFD.
2 m
Level 2
In the figure, ABC is a triangle. AD = DC, ∠BDC = 118°. Find ∠q.
2 m