Pi - where does it come from?

Area of a circle

March Holiday Homework

Day One (18/3/2013)
1.    Rina received $m from her mother and 5 times as much money from her father. She spent half of the total amount of money on a bicycle and 1/3 of the remainder on a blouse. She saved the rest of the money in the piggy bank that already contained $10. How much did she have in the piggy bank after that? Express your answer in terms of m in its simplest form. (3m)

2.    There were 20 questions in a Mathematics quiz. For each correct answer, 5 marks were given while 2 marks were deducted for each wrong answer. Braner answered all the questions and scored 65 marks. How many questions did she answer correctly? (4m)

Day Two (19/3/2013)

3.    At GW Hospital the number of nurses is 3/22 the number of patients. The total number of female patients is 4/7  the total number of male patients. If there are 18 fewer female patients than male patients, how many nurses are there? (4m)

4.    Mony spent $580 on a necklace. She spent another 20% of her money on a handbag and 1/7 of her remaining money on a dress. After that, she still had 3/8 of her money left. How much more did the handbag cost than the dress? (4m)

Day Three (20/3/2013)
5.    Mrs Rizan bought a packet of 10-kg rice, a bottle of cooking oil and 5 cans of coke for a total of $44. The rice cost $18.50 more than the cooking oil while each can of coke cost $24.25 less than the rice. How much did the packet of 10-kg rice cost? (4m)

6.    Ginny filled up 60% of a rectangular glass container, 40 cm long, 30 cm wide and 24 cm high, with apple juice. After mixing the apple juice with 2.72 ℓ of water, she poured the mixture into 50 mℓ and 100 mℓ bottles such that for every six 50 mℓ of bottle she filled, she would fill one 100 mℓ bottle.

(a)  How many litres of apple juice did Ginny pour into the glass container? (1m)

(b)  How many 50 mℓ bottles did she fill with the mixture? (3m)

Day Four (21/3/2013)

7.    During the Great Singapore Sale, Mr Thiru bought a bicycle at a discount of 20%. The bicycle cost $1 280 before discount.

Mr Chirper bought an identical bicycle online for 3/4 of Mr Thiru’s discounted price before GST.  

(a)  How much did Mr Thiru pay for the bicycle inclusive of a 7% GST? (2m)

(b)  Although Mr Chirper did not have to pay GST, he had to pay shipping and handling charges of 11%. How much did Mr Chirper save as compared to Mr Thiru? (3m)

8.    Alan bought 3 times as many toy cars as dolls for his children. He spent $1 615 altogether. A doll cost $15 more than a toy car. The total cost of the toy cars was $425 more than the total cost of dolls. Find the cost of a doll. (5m)

Day Five (22/3/2013)

9.      Shane had 393 red wrist bands and 208 blue wrist bands. He sold an equal number of red and blue wrist bands. Then the ratio of the number of red wrist bands to the number of blue wrist bands became 9 : 4. How many wrist bands did Shane sell? (4m)

10.  Karen and Harry had no chocolates or sweets at first. Karen bought some chocolates and gave half of them to Harry. Harry bought some sweets and gave half of them to Karen. Karen ate 12 sweets and Harry ate 18 chocolates. After that, the ratio of the number of chocolates to the number of sweets Karen had became 7 : 1 and that of Harry’s became 4 : 1 respectively. How many sweets did Harry buy? (5m)

Maths Progress CA1 2013 vs SA2 2012

1	Alisha Misra	13.8
2	Alton Chua Kai Cong	4.7
3	Alvis Low Yue Han	-19.8
4	ang dong wang	-5.8
5	Batrisyia Sabrina	3.6
6	Bryan Wong Jing Jie	4.0
7	Chan Jing Quan,  Darryl	2.6
8	Chong Zhi Qing	-3.1
9	Chua Chun Wee Ernest	11.2
10	Owen Ho Jun Wai	15.9
11	Isaiah khoo jia le	0.0
12	Jerron Lim	-4.9
13	jevon tan jing hong	-0.5
14	Justin Arnold Sasam Rezaba	-2.3
15	Lam Regan	16.4
16	Lim Chun Yuen	1.4
17	Lim Zheng Quan	-6.5
18	Nicholas loh chen teng	-3.5
19	Jessie Long Sue Swen	8.5
20	Lum Jian Hou,Benedict	-7.2
21	Marcellino Adinadana Lim	-3.0
22	Max Teo Zhan Zhi	2.9
23	Megan leong	14.1
24	Nabilah binte Rosman	-25.5
26	Ng Jun Wei Stanley	4.4
27	Ng Wei Ting	1.4
28	Sherlene Peng Yixun	12.7
29	Jonathan Quek Zhiheng	0.0
31	Ryan Tan Yan Tong	1.1
32	Shannon Misha Koh yawen	3.5
33	ivan ruzzelle siao	2.3
34	Natalie Tan Chu Yi	-21.7
35	Tan Chun Yi Glenn	-3.3
36	Tan Shi Hui	-6.9
37	Tan Ye Long	-5.2
38	tevin tsng yue heng	-4.3
39	ting shao wei jayden	-3.7
40	tok hui ting	19.7
41	Wong Jun Yang	-14.3
42	Yap Zi Yang	-18.3

maths practice paper 2 - Av 33.3

1	TEVIN TSNG	Chan Jing Quan,  Darryl	39
2	JEVON TAN JING HONG	Chong Zhi Qing	39
3	LIM ZHENG QUAN	Alvis Low Yue Han	38
4	TAN CHUN YI GLENN	Owen Ho Jun Wai	38
5	NG JUN WEI, STANLEY	Max Teo Zhan Zhi	38
6	RYAN TAN YAN TONG	Ng Jun Wei Stanley	37
7	TAN SHI HUI	Ryan Tan Yan Tong	37
8	ALVIS LOW YUE HAN	Tan Chun Yi Glenn	37
9	JUSTIN ARNOLD SASAM REZABA	tok hui ting	37
10	SIAO IVAN RUZZELLE MANINGAS	Justin Arnold Sasam Rezaba	36
11	ALTON CHUA KAI CONG	Lam Regan	36
12	ISAIAH KHOO JIA LE	Nicholas loh chen teng	36
13	ANG DONG WANG	Lum Jian Hou,Benedict	36
14	JERRON LIM YI JUN	Chua Chun Wee Ernest	35
15	YAP ZI YANG, IRWEN	Lim Chun Yuen	35
16	TING SHAO WEI, JAYDEN	Lim Zheng Quan	35
17	PENG YI XUN, SHERLENE	Jessie Long Sue Swen	35
18	QUEK ZHIHENG, JONATHAN	Alton Chua Kai Cong	34
19	CHAN JING QUAN, DARRYL	Batrisyia Sabrina	34
20	NG WEI TING	Isaiah khoo jia le	34
21	LAM REGAN	Jerron Lim Yi Jun	34
22	CHUA CHUN WEE ERNEST	jevon tan jing hong	34
23	LIM CHUN YUEN	Sherlene Peng Yixun	34
24	LOH CHEN TENG NICHOLAS	Tan Shi Hui	34
25	NABILAH BTE ROSMAN	ting shao wei jayden	34
26	MAX TEO ZHAN ZHI	Jonathan Quek Zhiheng	33
27	HO JUN WAI, OWEN	ang dong wang	32
28	LUM JIAN HOU, BENEDICT	Ng Wei Ting	32
29	MARCELLINO ADINADANA LIM KIM H	ivan ruzzelle siao	32
30	TAN YE LONG	Nabilah binte Rosman	31
31	CHONG ZHI QING	tevin tsng yue heng	31
32	MEGAN LEONG	Bryan Wong Jing Jie	30
33	BRYAN WONG JING JIE	Tan Ye Long	30
34	TOK HUI TING	Megan leong	29
35	TAN CHU YI NATALIE	Yap Zi Yang	28
36	LONG SUE SWEN JESSIE	Natalie Tan Chu Yi	27
37	ALISHA MISRA	Marcellino Adinadana Lim	25
38	SHANNON MISHA KOH YA WEN	Shannon Misha Koh yawen	25
39	BATRISYIA SABRINA BTE AZMAN	Wong Jun Yang	19
40	WONG JUN YANG	Alisha Misra	abs

Results - Maths Practice Paper 1

Average Score: 31.5/40

Ranking based on P5 SA2                                         Ranking based on CA1 Practice Paper 1

1	TEVIN TSNG	jevon tan jing hong	38
2	JEVON TAN JING HONG	Max Teo Zhan Zhi	38
3	LIM ZHENG QUAN	Chan Jing Quan,  Darryl	35
4	TAN CHUN YI GLENN	Justin Arnold Sasam Rezaba	35
5	NG JUN WEI, STANLEY	Ng Jun Wei Stanley	35
6	RYAN TAN YAN TONG	tevin tsng yue heng	35
7	TAN SHI HUI	ting shao wei jayden	35
8	ALVIS LOW YUE HAN	Ryan Tan Yan Tong	34
9	JUSTIN ARNOLD SASAM REZABA	ivan ruzzelle siao	34
10	SIAO IVAN RUZZELLE MANINGAS	Alton Chua Kai Cong	33
11	ALTON CHUA KAI CONG	Chong Zhi Qing	33
12	ISAIAH KHOO JIA LE	Owen Ho Jun Wai	33
13	ANG DONG WANG	Nicholas loh chen teng	33
14	JERRON LIM YI JUN	Megan leong	33
15	YAP ZI YANG, IRWEN	Tan Shi Hui	33
16	TING SHAO WEI, JAYDEN	tok hui ting	33
17	PENG YI XUN, SHERLENE	Alvis Low Yue Han	32
18	QUEK ZHIHENG, JONATHAN	Chua Chun Wee Ernest	32
19	CHAN JING QUAN, DARRYL	Isaiah khoo jia le	32
20	NG WEI TING	Jerron Lim Yi Jun	32
21	LAM REGAN	Lim Zheng Quan	32
22	CHUA CHUN WEE ERNEST	Sherlene Peng Yixun	32
23	LIM CHUN YUEN	Tan Ye Long	32
24	LOH CHEN TENG NICHOLAS	Yap Zi Yang	32
25	NABILAH BTE ROSMAN	Marcellino Adinadana Lim	31
26	MAX TEO ZHAN ZHI	Lam Regan	30
27	HO JUN WAI, OWEN	Nabilah binte Rosman	30
28	LUM JIAN HOU, BENEDICT	Jonathan Quek Zhiheng	30
29	MARCELLINO ADINADANA LIM KIM H	Tan Chun Yi Glenn	30
30	TAN YE LONG	ang dong wang	29
31	CHONG ZHI QING	Ng Wei Ting	29
32	MEGAN LEONG	Lim Chun Yuen	28
33	BRYAN WONG JING JIE	Jessie Long Sue Swen	28
34	TOK HUI TING	Lum Jian Hou,Benedict	28
35	TAN CHU YI NATALIE	Natalie Tan Chu Yi	28
36	LONG SUE SWEN JESSIE	Shannon Misha Koh yawen	27
37	ALISHA MISRA	Bryan Wong Jing Jie	25
38	SHANNON MISHA KOH YA WEN	Wong Jun Yang	21
39	BATRISYIA SABRINA BTE AZMAN	Alisha Misra	abs
40	WONG JUN YANG	Batrisyia Sabrina	abs

Construction of Triangles

4-sided figures

Results: Measurement Topical Worksheet

1	Nabilah	dns
2	Zi Yang	dns
3	Daryl	25
4	Ivan	25
5	Jevon	25
6	Natalie M	25
7	Nicholas	25
8	Stanley	25
9	Alvis	24
10	Max	24
11	Tevin	24
12	Alton	23
13	Dong Wang	23
14	Isaiah	23
15	Megan	23
16	Ryan	23
17	Zheng Quan	23
18	Zhi Qing	23
19	Jonathan	22.5
20	Benedict	22
21	Glenn	22
22	Jessie	22
23	Regan	21.5
24	Ernest	21
25	Marcell	21
26	Sabrina	21
27	Shi Hui	21
28	Hui Ting	20
29	Ye Long	19
30	Justin	18.5
31	Chun Yuen	18
32	Sherelene	18
33	Wei Ting	18
34	Jerron	17.5
35	Jayden	17
36	Natalie Tan	17
37	Bryan	16.5
38	Alisha	16
39	Misha	14
40	Owen	13
41	Jun Yang	6
		20.65385

Results of Maths Practice Paper 1A - Preparing for CA2

1	Jonathan	dns
2	Natalie Tan	dns
3	Nicholas	38
4	Sherlene	38
5	Ryan	37
6	Jevon	37
7	Tevin	35
8	Glenn	34
9	Jerron	33
10	Zheng Quan	32
11	Alton	32
12	Max	32
13	Ivan	32
14	Natalie M	32
15	Benedict	30
16	Ernest	30
17	Justin	30
18	Isaiah	30
19	Hui Ting	29
20	Chun Yuen	29
21	Shi Hui	27
22	Zhi Qing	27
23	Dong Wang	27
24	Jayden	27
25	Zi Yang	27
26	Owen	26
27	Stanley	26
28	Ye Long	26
29	Sabrina	26
30	Alvis	26
31	Misha	25
32	Regan	24
33	Megan	24
34	Marcell	24
35	Jessie	24
36	Bryan	24
37	Jun Yang	23
38	Darryl	22
39	Wei Ting	21
40	Nabilah	20
41	Alisha	18
	Average	27.52778

Pen down your reflections.