2. Li Fang bought a blouse with 1/3of her money. She then used 1/8of the remainder to buy
2 pairs of socks. What fraction of her money did she spend on each pair of socks
3.David spent 1/4of his money on a pack of cards. He spent 1/5of the remaining money on a
pencil box.
a)What fraction of his money was left?
b)If he spent $9 on the pencil box, how much money did David have at first?
4.Cheryl spent 1/5 of her money on a teddy bear and 40% of the remainder on a doll. If she
had $156 left, how much money did she have at first?
Do put in your effort! Show your methods and presentation them clearly!!
Love,
Mrs Lee
Dear 6-4,
Please use draw a model or branching method to solve the following questions in your foolscape paper.
1.A slice of cake cost 5 times as much as a bun. Yani spent 1/5of her money on buns and 1/2of the remainder on 4 slices of cake. How many buns did she buy?
Some of you have requested for more worksheets. You may want to try these questions! Remember the strategy that I have taught you. Apply it in these questions! Enjoy doing!!
9.At a book fair, there were 350 more adults than children, 2/5 of the adults and 25% of the children left the book fair. In the end, there were 30 more childrenthan adults. How many children were there at the carnival in the end?
10.In a bag, there are marbles of 3 colours, red, green and blue. There are 112 more green than blue marbles. There are 3/4as many red marbles as blue marbles. Given that the number of blue marbles is 16%of the total number of marbles in the bag, how many marbles are there in the bag altogether?
11.In a mathematics tool kit, there are triangles, squares
and rectangles. There are 180 more triangles than squares. There are 2/3 as many rectangles as triangle. Given that the number of squares is 15% of the total number of shapes in the tool kit, how many triangles are there in the tool kit?
12.At a funfair, there were 120 more adults than boys and
3/4 as many boys as girls. Given that the number of boys were 12% of the total number of people at the funfair, how many adults were there at the funfair?
As mentioned in the class, those of you have completed Whole Number 2 can proceed to do Whole Number 3. The rest will do Whole Number 2.
Whole Numbers 2
11.Mohan bought a total of 50 apples and mangoes. If he exchanged every mango for 3 apples, he would have 78 apples in all. How many apples did he buy?
12.Hamid has a triangular plot of land. He wants to plant 18 palm trees along the sides of the plot with an equal number of trees along each side. What is the largest number of palm trees he can plant on each side of the plot if he plants 1 tree at each corner of the plot?
13.Mr Lee has 20 pots of plants. He wants to arrange all the pots along the sides of a square carpet so that each side has the same number of pots. How many pots will there be on each side of the carpet if he places 1 pot at each corner?
14.Naser has a square plot of land. He wants to plant an equal number of durian seedlings along each side of the plot. He has 36 seedlings and starts planting a seedling at each corner of the plot. How many more seedlings must he have if he wants to plant 12 seedlings along each side of the plot?
15.Among all the 2-digit numbers, how many of them contain the digit 6?
There are __ numbers with the digit 6 in the tens place.
There are __ numbers with digit 6 in the ones place.
___ number(s) contain(s) the digit 6 in both the tens place and ones place.
Number of 2-digit numbers that contain the digit 6
= ___ + ___ - ___
= ___
There are ___ 2-digit numbers that contain the digit 6.
16.Among all the 2-digit even numbers, how many of them contain the digit 4?
17.Mrs Liew has $70 which is just enough to pay for 3 kg of crabs and 4 kg of prawns. If she wants to buy 4 kg of crabs and 3 kg of prawns, she would need another $3.50. Find the cost of 1 kg of prawns and 1 kg of crabs.
18.A notebook and a file cost $3.50. Siti paid $32.80 for 12 notebooks and 8 files. How much would Wendy have to pay for 8 notebooks and 12 files?
Whole Numbers 3
19.At a supermarket, a customer collects one coupon for every $20 purchased. The customers can exchange 5 coupons for a saucer, 9 coupons for 2 cups and 15 coupons for a teapot. How much must a customer spend at the supermarket so as to collect a sufficient number of coupons to exchange for 4 saucers, 4 cups and a teapot?
20.Mrs Lim bought 600g of fish paste and 25 pieces of fish cake. She paid a total of 411.05. If 5 pieces of fish cake cost 41.25, what was the cost of 100g of fish paste?
21.The charges for renting a bicycle are shown.
Time
Charge
1st hour or less
$4
Every additional ½ hour or part thereafter
$1.50
5 boys rented 4 bicycles from to They shared the charges
equally. How much did each boy pay?
22. Cindy and Devi each shared a fixed amount of money daily. Devi, who started saving before Cindy, saved $3 daily. When Devi had saved for 15 days, Cindy had saved $40. When Devi had saved for 20 days, both had saved an equal amount of money. How many days after Devi started saving did Cindy start saving?
23. Aini is 12 years old. Her father is 28 years older than her. In how many years will Aini's father be 3 times as old as her?
24. Mr Gopal is 57 years old. Fadzil is 48 years younger than him. In how many years will Mr Gopal be four times as old as Fadzil?
I hope to use this tool as a platform to promote collaborative learning (CoL) and self directed learning (SDL). I hope that when you make any comment, let us be remindful of our Self-DisciplineTeamwork AffectionResponsibility values, especially Affection. Be kind to one another. No put down! I hope none of you will abuse it. If there is any area that you need help, you can come to me personally or you use this as a platform to clarify concepts that you are not very clear about. Sometimes, I will also post announcement, homework ... so that we have more quality time to learn in the classroom. The PSLE is drawing near, I hope that all of you will give your best in revision. I look forward to see ALL of you entering your choice school. Make a wise decision now! Press in and press on till the PSLE is over! Thank you!!
Food for thought: ATTITUDE IS SOMETHING SMALL BUT IT MAKES A BIG DIFFERENCE!!
I would like you to print out the questions below and try these problems on whole numbers on foolscap paper, using pencil! Remember READ, THINK, PLAN, DO, CHECK. Underline the important information that will help you to solve the problems. Present your model drawings and methods systematically.
Keep it neat and tidy!! I believe you can do it! You will submit your work on Friday! Thank you!
Food for thought: Success is a matter of understanding and religiously practising specific, simple habits that always lead to success!
Mrs Lee
Whole Numbers 1
1. Maria and Santos each had the same amount of money. Each day, Maria spent $12 and Santos spent $6 more than Maria. When Santos had spent all his money, Maria had $72 left. How much money did Santos have at first?
2. Each day, Rahman saves 90¢, 6 days after Rahman starts saving, Minah starts saving 20¢ more than Rahman each day. When Minah has saved $4.60 more than Rahman, how much money has Rahman saved?
3. Mrs Lim planned to pack some sweets equally into 7 bags. However, 4 of the bags were found to be torn, so she put 20 sweets more into each of the other bags. How many sweets were there altogether?
4. There were 20 more girls than boys in the school chess club last year. After 36 boys and 10 girls joined the club this year, there were 146 members altogether. How many boys are there in the chess club altogether?
5. There were 25 fewer men than women in the Aerobics Club last year. After 20 men and 25 women joined the club this year, there are 150 members altogether. How many women were there in the club last year?
6. Sylvia had 3 times as many hair clips as Caili. After Sylvia gave away 80 hair clips and Caili gave away 20 hair clips, they each had an equal number of hair clips left. How many hair clips did Sylvia have at first?
7. Muthu had 70 stamps more than Ali. After Ali gave Muthu 30 stamps, Muthu had twice as many stamps as Ali. How many stamps did they have altogether?
8. Two housing estates P and Q have a total of 36 000 people. After some people move from estate P to estate Q, estate Q has 5 times as many people as estate P. Find the difference in the number of people between estates P and Q now.
9. Dawei had $180 and Yawen had $55. After their aunt gave each of them an equal amount of money, Dawei had twice as much money as Yawen. How much money did their aunt give to each of them?
10. Patrick, Devi and Jiamin each have the same number of beads. How many beads must Devi give to Patrick and Jiamin so that Patrick has 20 beads more than Devi and Jiamin has 4 fewer beads than Patrick?
