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 Primary 6, problem sums, Singapore, word problems, problem solving, difficult, Worksheets, Paper 2, Maths, free exam papers
Ans:
1– 2
2– 4
3– 1
4– 3
5– 3
6– 4
7– 1
8– 4
9– 4
10– 4
11– 70
12– 101
13– 3
14– 2 pairs
15– ∠b
16– 1/12 kg
17– Andy
18– See attached Qn 18
19– 72
20– 900 lollipops
21– Darren -> 72 marbles , Javier -> 36 marbles
22– 160 kg
23– 37 children
24– a -> 42 men , b -> 252 commuters
25– 480 muffins and cupcakes
Ans:
1– $58
2– 490 vehicles
3– 7 : 9
4– 3/32 m²
5– $450
6– 1110 marbles
7– $2
8– 203 plants
9– $18
10– 41.6 kg
11– 128 cm²
12– $430
13– 175 kg
14– $121
15– a -> 6 cm² , b -> 3/8
16– a -> $330 , b -> $178
17– 10 : 9
18– a -> $108 , b -> 10 children
Posted in May, Primary 5, Problem Sums
Tagged difficult, heuristic, Maths, Paper 2, Primary 5, problem solving, problem sums, Singapore, word problems, Worksheets
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– $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– 24 cm
2– $75
3– $120
4– 16 2/3 %
5– 150 stamps
6– 5π cm
7– 38%
8– Carla- > $70 , Janice -> $130
9– a -> 288 000 cm³ /288 l , b -> 44 l
10– 134 magnets
11– 22 pens
12– 60 more potato puffs
13– 20 minutes
14– a -> $50 , b -> 1/4
15– $632
16– a -> 70 cm , b -> 86 cm
17– 40 stamps
18– 25%
Posted in April, Primary 6, Problem Sums
Tagged difficult, heuristic, Maths, Paper 2, Primary 6, problem solving, Singapore, word problems, Worksheets
Ans:
1– $6.20
2– 1700 female soldiers
3– 46 cm
4– 8 dictionaries
5– 11 minutes
6– 300 cups
7– $21
8– 10 days
9– 464 cards
10– Sharon -> $1175 , Tracy -> $350
11– $300
12– a -> 399 , b -> 199 and 200 , c -> Column B
13– 270 fruits
14– 85 large parcels
15– 161.36%
16– 150 stamps
17– 31 days
18– a -> 45% , b -> 17 : 20
Posted in March, Primary 6, Problem Sums
Tagged difficult, heuristic, Level 3, Maths, Paper 2, Primary 6, problem solving, word problems, Worksheets
