Ying Tong's answer to Rachael's Primary 6 Maths Fractions Singapore question.
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Hi there, I think it may be a bit confusing but I have included an explanation below and hope my working is able to help. You can ask more questions to clarify as well.
Explanation:
1. Using the model method, I first divide red balloons into no. of green balloons + 235. This is so that you can convert the fractions into the same denominator and work with same base units.
2. Hence when 4/5 of red balloons are lost, you have to remember that is also equals to 4/5 of green balloons + 4/5 of 235, as shown in the model.
Once you can understand the above two points, it should be simple enough to do the math calculations from there on.
Explanation:
1. Using the model method, I first divide red balloons into no. of green balloons + 235. This is so that you can convert the fractions into the same denominator and work with same base units.
2. Hence when 4/5 of red balloons are lost, you have to remember that is also equals to 4/5 of green balloons + 4/5 of 235, as shown in the model.
Once you can understand the above two points, it should be simple enough to do the math calculations from there on.
Date Posted:
3 years ago
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