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Listing multiples and alternative steps to solve excess and shortage problem sums

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Students also confused whether to add or minus 14 after listing multiples

# data[].attributes.custom_properties.z4cvqnFA
Need practice on different problem sums that involving solving excess and shortage

# data[].attributes.custom_properties.z4cvqnFA
Do more practices between what's left and what's short to reinforce understanding.

# data[].attributes.custom_properties.JmxO9bLk
For some, did not draw the before and after model, hence only added 120 instead of 240.

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Stressed the importance of model drawing again.

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Difficulty interpreting the bar graph and translate it into a Pie Chart

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Q4: Confusion betwn Factors and multiples.

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did not understand that R + S = F because 10 + 10 = 20 so they choose the wrong answer 

# data[].attributes.custom_properties.z4cvqnFA
Get them to draw the pie chart on their own with the data given. Or, compare the numbers across the 4 sports and link it to the size of each part of the pie chart.

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students can list down the multiple of 6 easily

# data[].attributes.custom_properties.JmxO9bLk
students are not sure if they should -14 or +14 for the multiples of 8 or they did not match the number of children accurately and gave 18 or 24 as the answer. 

# data[].attributes.custom_properties.z4cvqnFA
8,16,24,32,40,48, 56 will lead to having X, 2, 10, 18, 26, 34, 42... Remind the students that they need to subtract because Mr Ong did not have enough to give out. Hence, he doesn't have 56 ---> so must take away 14. 

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the students don't know how to use assumption method

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either left it blank or they do not know they need to find the difference first

# data[].attributes.custom_properties.z4cvqnFA
drawing it out to let the children see how Mr Ong can "top up" 2 more candies to the original 6 candies that each child has. Hence, for this step, we need to find the difference (8-6=2). Then, since each child needs 2 more and altogether he needs 14 more. I asked the students how many sets of 2 more candies can Mr Ong give (with the 14 more candies he needed). In this way, they can see a bit clearer 