Teck Seng Koh, there are several methods. See if this one make sense to you.
Hi Yueh Mei, for this question, I solved it by simultaneous eqns. How do primary schools teach the solution using models? Thank you!
I think bar model can be applied to this problem. Please try. In one class room, there are 50 students in total. Teacher gives oranges to all students by giving 2 oranges to one girl and 1 orange to one boy. At the final, total oranges in girls' hands are 7 more than oranges in boys' hand. How many boys in class?
Hello. I am interested to implement singapore math to Thai students. Any suggestions for the fast track approach? Thank you so much.
Help! If there is 5/8l left, didnt she pour out 3/8l? I really cannot understand what they are asking.
