[P2] Problem Sum No. 3: Mr and Mrs Chan’s Weights

Mr Chan has a mass of 75kg. Mrs Chan weighs 16kg less than Mr Chan. (a) What is the mass of Mrs Chan? (b) What is the total mass of Mr and Mrs Chan? Asked by Mark Heng; taken from his son’s school work Date: 17 May 2013 Source: St. Gabriel’s Primary, P2 Maths questions involving people’s weight, height and age are quite common. Typically, one person will be used as a measurement reference point while each of the...

[P2] Problem Sum No. 2: Children and Sweets

Mrs Lim gave 18 sweets to some children. If each child received 2 sweets, how many children were there? Asked by Mark Heng; taken from his son’s school work Date: 17 May 2013 Source: St. Gabriel’s Primary, P2 Sweets work wonders on children. Just look at the glow on a child’s face when he or she is given some candy. For all the parents reading this, I’m sure it brings back sweet childhood memories as well 😉 Without question,...

Practical Steps for Problem Sum Solving with Models

Tackling problem sums using models can be a hazardous affair for the uninitiated. Some people are put off by those usually wordy Math questions, which seem to be one hurdle to applying models. Here, a poor command of English can trip up the student trying to understand what is being asked. How to picture the problem and draw the correct model diagram seems to be another hurdle. Failure to pick an appropriate model++ means relationships between items given in...

[P2] Problem Sum No. 1: People in the Cinema

There are 400 people in a cinema. 100 of them are adults and the rest are children. How many more children than adults are there in the cinema? Asked by Mark Heng; taken from his son’s school work Date: 7 May 2013 Source: St. Gabriel’s Primary, P2 Alright! My No Problem Sums website is now live and I’m rolling out worked examples at a casual pace. It’s gonna take some effort and time to build up a library of...