1 |
The fact that ‘guess-and-check’ has the word ‘check’ in it, requires students to have a column to check and present to the examination marker whether their ‘guessed’ answer is the correct one. Failing to insert a ‘check’ column might result in the loss of marks for the question. |
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2 |
How can you apply this tip? An example of using a ‘check’ column is shown below: Samuel has 10 coins that add up to $3.80. Some are 50 cents and the rest are 20 cents coins. How many 50 cents coins does he have? (Source: ACSJ SA2, 2013) Solution:
He has 6 50ȼ-coins. |
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Experiment #7 - Forces (Frictional Force)
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