Six Steps to Model Approach

I will be using this question to illustrate my six step approach in solving problem sum.

Questions

Aminah and Belinda each has some money. If Aminah spends $8, the ratio od the amount of money Aminah has to the amount of money Belinda has becomes 2:3. If Belinda spends $8, the ratio of the amount of money Aminah has to the amount of money Belinda has will be 11:14. How much money do they have altogether?

Answer

Primary 4 Problem Sum

Question

A fruit seller brought 350 apples for $140. 30 apples were rotten. He packed the rest in packets of 4 and sold each packet for $1. How much money did he lose from sale ?

Answer

Primary 4 Problem Sum Question

Question

Gilian spent 1/3 of her salary each month, gave 2/5 of it to her mother and saved the rest. If she saved $400 each month, what is her total salary ?

Answer