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PROBLEM SOLVING 053

[one] Johnny does many little jobs around the house to help his parents and to earn some pocket-money. He receives $9.00 each week in pocket-money. After half a year, how much money does he have? Hint

[two] Mary works five days every week at a local Kohanga Reo. How many days does she work in a year? Hint

[three] Talia enjoys swimming and she practises 3 hours every weekend. How many hours does Talia practise swimming in half a year? Hint

[four] Robin Hood made up a Robbing Schedule for his Merry Men to follow. Robin's new schedule said that they would rob 23 people every month. No more and no less. How many people would they rob in half a year? Hint

[five] Frieda's cows each give 5 litres of milk every day. If Frieda has 205 cows, how much milk does Frieda get each day? Hint

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1 year = 52 weeks

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The problem can be expressed like this: 26 x 3 = answer
Or:

26 x 3

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Don't forget: one year = 12 months.
So, half a year = how many months? Another hint

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Talia swims 3 hours each week (on Saturday and Sunday).

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3 (hours of swimming per week) x 26 (weeks in half a year) = answer

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This problem is best set out like this: 23 (robberies/ day) x 6 (months) = answer

Which means: 23 x 6 = answer, or

23 x 6

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This problem is best set out like this: 205 (cows) x 5 (litres/ day) = answer

Which means: 205 x 5 = answer, or:

205 x 5

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There are 52 weeks in one year, so in half a year there are 26 weeks.

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Mary works 5 days each week. So: 52 (weeks) x 5 (days worked) = answer.

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This problem can now be best expressed like this:

52 x 5

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This problem can now be best expressed like this:

28 x 5

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26 weeks (half a year) x $9 (weekly pocket money) = answer
.

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3 months x 4 weeks = 12 weeks
But you still haven't figured out how much money Johnny has made.

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This problem can now be best expressed like this:

26 x $9

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This problem can best be expressed like this:

12 x $7

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