Friday, 7 February 2014

Real Numbers: 4 Operations with Fractions - Addition & Subtraction (Challenger Question 2)

Working 1:

Look at the working presented below. 
2 useful strategies were used. 
Do you know what are they?



Working 2:

Look at the working presented below.
What's "wrong" with the working presented?




Points scored:
Group 1: 4 (Everi) + 4 (Min Quan) +  4 (Joshua Wee) + 4 (Sophia) = 16 points
Group 2: 3 (Wei San) + 1 (Kai Heng) = 4 points
Group 3: 4 (Keith) = 4 points
Group 4: No submission

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