Answer all questions

1. (a) Using Polya model, choose the best strategy to solve this problem.

Determine how many ways RM1 can be changed to coins of 10 cents,

20 cents and 50 cents ?

(b) With reference to the following word problem, answer the questions given.

(i) As a teacher, give two suitable questions to help the student understand the above problem.

2. ‘Pencil and paper’ and ‘manipulative materials’ are two of the important means of performing calculation.

(a) You are teaching your students “ addition with regrouping”Suggest one example of manipulative materials to explain the addition procedure.

(b) By using the suggested manipulative materials in (a), elaborate how you use it to explain the concept of “addition with regrouping”

1

Customers at a particular yogurt shop may select one of three flavors

of yogurt. They may choose one of four toppings. How many one-

flavor, one-topping combinations are possible?

3. Sometimes we have to do rough estimation in our daily life.

(a) List down 2 purposes of doing rough estimation in our daily life.

(b) Estimate the product of 28 x 41

4 Geometry should be introduce into Mathematics Primary school curriculum

(a) List five reason why geometry should be taught in primary school

(b) Knowledge on geometry and spatial sense is important in our daily lifeGive one example and simple explanation where geometry is applicable in our daily life

5. (a) Median Sales Price of Existing Single-Family Homes

Year United State Northeast Midwest South West1998 $181,900 $240,100 $179,000 $159,700 $200,5001999 $195,800 $249,200 $187,000 $173,500 $222,000

Source: U.S. Department of Housing and Urban Development

(i) The median sales price in 1999 for the entire country was $195,800. Explain what this means.

(ii) Explain why median sales prices, rather than mean sales prices, are reported.

(iii) Without using specific numbers, write two statements that summarize the trends shown by the median sales prices.

(b) For each frequency polygon shown below, describe a situation that might in distribution of scores that takes on this shape.(i)

2

(ii)

3

Score

Frequency

Score

Frequency