Ans:
1– $36
2– 12 p.m.
3– $(10 – 3n)
4– 3 19/27%
5– 25 pears
6– 15 towels
7– 80 jugs
8– $3.75
9– 49.68 cm
10– a -> 90 km/h , b -> 11.42 a.m.
11– 600 apples and oranges
12– $100
13– 480 pupils
14– 1260 goldfish and swordtail
15– $120
16– a -> 44 km/h , b -> 1 hour
17– a -> 9 : 8 : 2 , b -> 5/7
18– 1200 pots of orchids
Posted in May, Primary 6, Problem Sums
Tagged difficult, heuristic, Maths, Paper 2, Primary 6, problem solving, problem sums, Singapore, word problems, Worksheets
Ans:
1– 1
2– 2
3– 4
4– 1
5– 2
6– 3
7– 2
8– 4
9– 1
10– 4
11– 20
12– 25 cm
13– $(57 – 3x)
14– 1125
15– 15°
16– Page 159
17– 980 cm³
18– 07 40
19– (24.25 π +6) cm
20– 1537.5 m
21– 36 more adults
22– 72 sweets
23– $6750
24– Yellow -> 136 , Red -> 34
25– a -> 40 km , b -> 1.30 p.m.
26– 280 cupcakes
Tagged difficult, heuristic, Maths, May, Paper 2, Primary 6, problem solving, problem sums, Singapore, word problems, Worksheets
Ans:
1– Becky -> $48.80 , Celine -> $24.40 , Diana -> $12.20
2– 54 cakes
3– 765
4– 27 girls
5– (200 -2m) ¢
6– 196 pages
7– 336 fruits
8– 25 minutes
9– 44 chicken burgers
10– 42 green markers
11– 140 children
12– $16.50
13– 102 local stamps
14– 10.05 a.m.
15– Team A -> 100 members , Team B -> 70 members
16– 1640 spectators
17– $23
18– a -> 3 : 20 , b -> 56 girls
Posted in Primary 6, Problem Sums
Tagged difficult, free exam papers, Maths, Paper 2, Primary 6, problem solving, problem sums, Singapore, word problems, Worksheets
Ans:
1– 2
2– 3
3– 3
4– 3
5– 2
6– 1
7– 2
8– 3
9– 1
10– 2
11– $128
12– 25%
13– 3/8 , 7/12 , 5/6
14– 4 coins
15– 14 2/3 hours
16– 20%
17– 50 marbles
18– $63
19– $72
20– See attached Qn 20
21– 9 : 25
22– $40
23– 360 marbles
24– a -> 69 km/h , b -> 759 km
25– 500 stickers
26– a -> 248.40 cm , b -> 30π cm²
Ans:
1– 46 cubes
2– $300
3– 270 more apples
4– 98 cm
5– 28 chickens
6– 28 local stamps
7– $28
8– 30 blue pens
9– 95 fiction books
10– $868
11– 79 km/h
12– 227 km
13– $420
14– a -> $1560 , b -> 46.2%
15– a -> 35 red marbles , b -> 40%
16– 9.12 a.m.
17– 180 stickers
18– 23.4 l
Posted in May, Primary 6, Problem Sums
Tagged difficult, heuristic, Maths, Paper 2, Primary 6, problem solving, problem sums, Singapore, word problems, Worksheets
Ans:
1– 210 more stamps
2– 38 square cards
3– 9 faces
4– 39°
5– 28n cm
6– 435 mobile phones
7– $144
8– 150 3/7 l
9– a -> $7.20 , b -> $66.60
10– a -> 4600 , b -> 9151
11– 1100 ml
12– 25 buttons
13– $4068
14– $540
15– 14 l
16– $548.10
17– a -> 198 cans , b -> 2 cans
18– 125 sweets
Posted in Primary 6, Problem Sums
Tagged difficult, heuristic, Maths, May, Paper 2, Primary 6, problem solving, problem sums, Singapore, word problems, Worksheets
Ans:
1– 77 1/7 km/h
2– 52 km/h
3– 7 2/3 km/h
4– 132.5 km
5– 24 km/h
6– 14 h 45 min
7– 5 hours
8– 60 km/h
9– 80 km/h
10– 12 km
11– a -> 165 km , b -> 5 p.m.
12– a -> Edwin – 4.8 km , Jack – 7.2 km , b -> 8.08 a.m.
Tagged difficult, heuristic, Level 3, Maths, Primary 6, problem solving, problem sums, Singapore, Speed, word problems, Worksheets
Ans:
1– 10 00
2– 60 km/h
3– 285 km
4– a -> 6.50 a.m. , b -> 180 km
5– a -> 98 km , b -> 123 km/h
6– 6 minutes
7– 5.45 p.m.
8– 13.5 km
9– a -> 70 m/min , b -> 3780 m/ 3 km 780 m
10– 1.30 p.m.
Posted in Primary 6, Problem Sums, Speed
Tagged difficult, heuristic, Level 3, Maths, Primary 6, problem solving, problem sums, Singapore, Speed, word problems, Worksheets
Ans:
1– $420
2– 6.55 min
3– 35 years old
4– 50 red apples
5– 3 months
6– 18 days
7– $135
8– 125 girls
9– 25 purple balloons
10– 85 banana muffins
11– 275 stamps
12– 3 : 8
13– 2190 geese
14– 120 pages
15– $24
16– 42 balls
17– 110 pencils
18– a -> 1/3 , b -> 30 children
Posted in April, Primary 6, Problem Sums
Tagged difficult, heuristic, Maths, Paper 2, Primary 6, problem solving, problem sums, revision, Singapore, word problems, Worksheets
Ans:
1– 3
2– 4
3– 1
4– 4
5– 4
6– 1
7– 3
8– 3
9– 2
10– 4
11– 60
12– 62
13– 126
14– 2
15– 2n
16– 38°
17– 3x +81/5
18– 70°
19– $8.50
20– $20
21– $60.60
22– 80 durians
23– $26
24– 50 balloons
25– 5 : 2
26– a -> 45% , b -> 17 : 20
