SG chevron_right Primary 6 chevron_right Number and Algebra

Darius had 220 stamps in his collection of which 25% were from Singapore. How many Singapore stamps must his sister give him to increase the number of Singapore stamps in his collection to 45%?

SG chevron_right Primary 4 chevron_right Measurement

Ricky bought 5 cups and 4 plates for $32. Kelly bought 3 cups and 2 bowls for $24. Each bowl cost twice as much as a plate. Find the cost of 1 plate.

SG chevron_right Primary 6 chevron_right Number and Algebra

Please help me with this P6 qn.  Thanks!

SG chevron_right Primary 3 chevron_right Number and Algebra

Please help with this P3 math problem.

SG chevron_right Primary 5 chevron_right Fractions