Tag Archives: Paper 1

Primary 5 CA2 Revision 1

P5-CA2-Ex 1

Ans:

1–  3

2–  1

3–  2

Area of square –>  8 cm × 10 cm = 80 cm²

Base of tri­an­gle –>  14 cm — 8 cm = 6 cm

Area of tri­an­gle –>  1/2 × 6 cm × 10 cm = 30 cm

80 cm + 30 cm = 110 cm²

 

4–  3

5–  2

1 hour –> 60 min × 60 = 3600 sec

3600/100 = 36 sets of 100 seconds

36 × 10 = 360 lol­lipops

 

6–  2

11.00 a.m. to 12 p.m. –> $2

12 p.m. to 2.30 p.m. –>  2.5 hours ≈ 3 hours –> 3 × $1 = $3

$3 + $2 = $5

Con­tinue read­ing

Primary 6 Prelims Revision 8

P6-Prelims-Ex 8

Ans:

1–  966

Low­est com­mon mul­ti­ple of 2, 3 and 7 –> 42

999 ÷ 42 = 23 R 33

23 × 42 = 966

 

2–  75%

3–  Thou­sandths

4–  12- 7

5–  28%

6–  $6000

7–  $2375

8–  94 marks

Total marks for the 3 tests –>  79 marks × 3 = 237

237 — 69 — 74 = 94 marks

Con­tinue read­ing

Primary 6 SA1 Revision 11

P6-SA1-Ex 11

Ans:

1–  22

2– $100.00

3–  15 000.02 m

4–  7/8 ,  5/6 ,   1/2 , 1/4

5–  5 p.m.

2 h 15 min before 11.45 a.m. –>  9.30 a.m.

7 h 30 min after 9.30 a.m. –>  5 p.m.

Con­tinue read­ing

Primary 5 SA1 Revision 5

P5-SA1-Ex 5

Ans:

1–  200 0002 hun­dred thousands

2–  15 600

3–  298

4–  9

5–  9 : 7

$81 — $18 = $63 (Marianne’s)

Ali­son   :   Mar­i­anne
81       :      63
–>    9     : 7

 

6–  3

15 × 3/10 = 4 1/2

4   1/2 ÷  3/2 = 3

Con­tinue read­ing

Primary 6 SA1 Revision 10

P6-SA1-Ex 10

Ans:

1–  3

2–  3

3–  4

2u –> 18 cm

1u –>  9 cm

Length –>  9 cm × 3u = 27 cm

Perime­ter –>  (18 + 27) cm × 2 = 90 cm

 

4–  2

5–  2

6–  3

Frac­tion of remain­ing cake –> 5/6

5/6 ÷ 1/12 = 10 pupils

Con­tinue read­ing

Primary 6 Algebra Level 1 Ex 4

P6-Algebra-L1-Ex 4

Ans:

1–  1

2–  1

3–  4

12x + 19 + (4x × 6 ÷ 3) – 8
= 12x + 19 + 8x - 8 = 20x + 11

 

4–  2

5–  2

Amount left after giv­ing her daugh­ter —  $(800 — 40z)

Each son ->  $(800 — 40z) ÷ 3

Con­tinue read­ing

Primary 4 August Review 4

P4-Aug-Review 4

Ans:

1–  3

2–  3

3–  2

4–  4

5–  4

7.25 a.m. to 9.25 a.m (2 hour) –>  8 quarter-turns

8.25 a.m. to 9.40 a.m. (15 min) –>  1 quar­ter turn

8 + 1 =

Con­tinue read­ing

Primary 5 SA1 Revision 4

P5-SA1-Ex 4

Ans:

1–  3

2–  3

3–  2

4–  1

5–  4

Con­tinue read­ing

Primary 6 SA1 Revision 8

P6-SA1-Ex 8

Ans:

1–  2/5 , 2/3 , 1/2 , 3/4

2–  3.08 kg

3–  264 min

4h –>  4 × 60 = 240 min

2/5 × 60 = 24 min

240 + 24 = 264 min

 

4–  $128

3/4 of Irene’s money is equal to 4/5 of Adam’s.
[make the numer­a­tor common)

-> 12/16 of Irene’s =  12/15 of Adam’s

Irene   :   Adam
16     : 15

15u –> $120

1u –> $8

16u –>  $8 × 16 = $128 

Con­tinue read­ing

Primary 6 SA1 Revision 7

P6-SA1-Ex 7

Ans:

1–  2

2–  2

3–  4

4–  2

10 + 5 + 6/1000 = 15.006

15.056 — 15.006 = 0.05

0.05 = 5/100 = 1/20

Con­tinue read­ing