Primary 6 April Problem Sums 4

P6-PSP-Apr-Ex 4

Ans:

1–  Richard  ->  $74  ,   Louis  -> $13

Total amount of money in the end– >  $87 + $17 = $104

Richard  :  Louis
7         : 1

8u  –>  $104
1u  –>  $13 (Louis)

$13 × 7 = $91

$91 — $17 = $74 (Richard)

 

2–  $94 146

4   1/2 years  ->  54 months

54 × $1299 = $70 146

$70 146 + 20 000 + 4000 =  $94 146

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Primary 5 April Review 2

P5-Apr-Review 2

Ans:

1–  3

2–  3

78/9  =  8  6/9  =  8  2/3 

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Primary 4 April Problem Sums 4

P4-PSP-Apr-Ex4

Ans:

1–  $50

Doc4

 

44 × 5 = $220

$292 — $220 = $72

$72 ÷ 12 = $6 (bulb)

$6 + $44 = $50

 

2–  76 316 more men

80 176 — 79 404 = 772 children

772 × 3 =  2316 women

79 404 — 2316 = 77 088 men

77 088 — 772 = 76 316 more men

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Primary 3 April Review 1

P3-Apr-Review 1

Ans:

1–  3

2–  3

8401 – 4773 = 3628
3628 + 288 = 3916

 

3–  3

4–  4

28 hun­dreds = 2800

2800 + 4105 = 6905

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Primary 6 Circles Level 1 Ex 1

P6-Circles-L1-Ex1

Ans:

1–  3

Perime­ter of 1 quad­rant ->  1/4 ×  π × diam­e­ter
=  1/4 × 22/7  × 14 cm
= 11 cm

11 cm + 11 cm + 7 cm + 7 cm + 7 cm = 43 cm 

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Primary 5 April Problem Sums 1

P5-Apr-PSP-Ex 1

Ans:

1–  5   2/15 m

2  4/5 m + 2  1/3 m = 5   2/15 m

 

2–  $14

Total he spent ->  $40 — $5 = $35

Mag -> 1 unit

Book ->  2 units

3 mags + 1 book -> 5u

5u –> $35

1u ->  35 ÷ 5 = $7

2u -> $7 × 2 = $14

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Primary 5 Area of Triangle Level 2 Ex 1

P5-Triangles-L2-Ex1

Ans:

1–  BC

2–  36 cm²

3–  104 cm²

4–  21 cm²

5–  98.25 cm²

6–  1/2

7–  40 triangles

8–  27 cm²

9–  270 cm²

10–  32 cm²

11–  110 cm²

 

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Primary 4 March Review 3

P4-Mar-Review 3

Ans:

1–  2

2–  2

3–  4

4–  2

5–  2

6–  3

7–  2

8–  1

9–  2

10–  3

11–  2 and 3

12–  1/3

13–  1/2

14–  1/3

15–  50 min

16–  6624 fruits

17–  $110

18–  17 squares

19–  $1282

20–  48 markers

21–  256 rub­ber bands

22–  $5415

23–  $144

24–  $1000

25–  40 cor­rect questions

 

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Primary 3 March Review 3

P3-Mar-Review 3

Ans:

1–  1

2–  4

3–  2

4–  1

5–  3

6–  2

7–  2

8–  2

9–  4

10–  2

11–  300 / 3 hundreds

12–  4943

13–  1034

14–  2616

15–  24 years

16–  3 books

17–  45

18–  24 days

19–  3660 cookies

20–  $4

21–  $2105

22–  $111

23–  6 weeks

24–  24 chairs

25–  $677

 

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Primary 6 March Review 6

P6-Mar-Review 6

Ans:

1–  3

2–  4

3–  1

4–  1

5–  1

6–  2

7–  2

8–  4

9–  1

10–  4

11–  20

12–  7/40

13–  126 pupils

14–  4 cubes

15–  $60

16–  $630

17–  2 stamps

18–  100 cm²

19–  (7- 4) cookies

20–  2   2/5 min

21–  9/16

22–  $1500

23–  75°

24–  204 more boys

25–  a ->  $52.15  ,   b -> $3

26–  9 cm

 

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