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violet_bao

P4 Mathematics

Question post on Wed, 26/04/2017 8:58am

Source: test paper

Answer

Math Investigator · Answer 1 · Post on Wed, 26/04/2017 9:36am

In the 1st situation, you were left with 5 but in the 2nd situation you needed 3 more. Why? Because you gave extra 1 to each of the student in the 2nd situation

However, the next question is, what was the total extra given to all the students in the 2nd situation? Well, on top of the 5 sweets that you had left in the 1st situation, you needed 3 more. This implied that the total extra sweets needed is 5 + 3 = 8.

Hopefully, my explanation is able to help you. May you have a nice day ahead.

Math Investigator · Answer 2 · Post on Wed, 26/04/2017 9:36am

In the 1st situation, you were left with 5 but in the 2nd situation you needed 3 more. Why? Because you gave extra 1 to each of the student in the 2nd situation

However, the next question is, what was the total extra given to all the students in the 2nd situation? Well, on top of the 5 sweets that you had left in the 1st situation, you needed 3 more. This implied that the total extra sweets needed is 5 + 3 = 8.

Hopefully, my explanation is able to help you. May you have a nice day ahead.

BigDevil · Answer 3 · Post on Wed, 26/04/2017 9:44am

At first, Mr Tan gave out 7 sweets to each student.

Seeing that he still had 5 sweets left, he decided to give them 8 sweets each.

So he started handing out 1 more sweet to each student.

When he used up the 5 sweets he had left after first round of giving, he found that he needed 3 more.

Therefore, number of students -> 5 + 3 = 8

This is my way of teaching my kids how to make sense of the question.

Tuition places will teach you the gap and difference method.

Gap -> 5 + 3 = 8

Difference -> 8 – 7 = 1

8/1 = 8 students