Ans:
1– $6.40
2– 22 files
3– 137.1 m
4– $36.20
5– 100 more durians
6– 3.25 kg
7– $3.20
8– $26.90
Ans:
1– $6.40
2– 22 files
3– 137.1 m
4– $36.20
5– 100 more durians
6– 3.25 kg
7– $3.20
8– $26.90
Tagged Decimals, difficult, heuristic, Level 3, Maths, Primary 5, problem solving, problem sums, Singapore, Worksheets
Ans:
1– 31 girls
2– $525
3– $6.50
4– 42 years old
5– $480
6– 120 girls
7– April 2014
8– 28 novels
9– a -> 300 stickers , b -> $147
10– 384 cm³
11– Marc -> $864 , b -> $1296
12– a -> 360 km , b -> 12.30 p.m.
13– 571 3/7 cm²
14– 13 fruits
15– 105 stamps
16– 18 children
17– a -> 440 apples , b -> $242
18– 252 more stamps
Posted in Primary 6, Problem Sums
Tagged difficult, heuristic, Maths, Paper 2, Primary 6, problem solving, problem sums, Singapore, word problems, Worksheets
Ans:
1– 50 mugs
2– (2n - 38) stamps
3– 53 1/3 km/h
4– 21.07 cm²
5– $325
6– $392
7– $40
8– 8 : 3
9– 182 stickers
10– 300%
11– 65 km/h
12– 152 cards
13– $144
14– a -> 135° , b -> 17°
15– 11 trays
16– Andrew -> 160 marbles, Mark -> 32 marbles
17– 9 hours
18– $1193.80
Posted in Primary 6, Problem Sums
Tagged Primary 6, problem sums, Singapore, word problems, problem solving, heuristic, difficult, Worksheets, Maths
Ans:
1– 36 sweets
2– 1710 cm / 17 m 10 cm
3– 70 stamps
4– 350 pens
5– 15 packets
6– 21 blouses
7– 56 white gift bags
8– 4.15 p.m.
9– 140 stickers
10– 20.5 kg
11– Ronnie -> 33 km , Maureen -> 15 km
12– a -> 55° , b -> 70° , c -> 40°
13– $750
14– 0.6 m
15– a -> 184 sweets , b -> 74 sweets
16– 218.88 cm²
17– $205.20
18– a -> 80 km/h , b -> 1.30 p.m.
Posted in Primary 6, Problem Sums
Tagged difficult, heuristic, Maths, Paper 2, Primary 6, problem solving, problem sums, Singapore, word problems, Worksheets
Ans:
1– 55 km/h
2– 18b pencils
3– $12.60
4– 2 2/5 min / 2.4 min
5– 56
6– 267 stickers
7– 105 more puppies
8– $96 discount
9– (4w + 180) minutes
10– 1001 stickers
11– 81.5 km/h
12– a -> 51 marbles , b -> 68 marbles
13– 71 kg
14– Roger -> 20 marbles , Ethan -> 70 marbles
15– a -> 600 m/min , b -> 21.2 km
16– 14 00 h
17– a -> 192 dried prunes , b -> 201 dried prunes
18– a -> 75.40 m , b -> 205.81 m²
Posted in Primary 6, Problem Sums
Tagged difficult, heuristic, Maths, Paper 2, Primary 6, problem solving, problem sums, Singapore, word problems, Worksheets
Ans:
1– 25%
2– 105 beads
3– $6.30
4– 81 teachers
5– 22 years’ time
6– 1 h 20 min
7– 5 boxes
8– 49 apples
9– 30.96 cm²
10– 35 red marbles
11– 24 girls
12– 16 min
13– 336 more ice cream
14– 3/17
15– Carla -> 336 stickers , Deanna -> 448 stickers
16– 171 marbles
17– 60 shells
18– a -> 54 l , b -> 7.5 cm
Posted in May, Primary 6, Problem Sums
Tagged difficult, heuristic, Paper 2, Primary 6, problem solving, problem sums, Singapore, word problems, Worksheets
Ans:
1– $72
2– 48 marbles
3– 72 puppets
4– $177
5– $3275
6– a- > 400 stamps , b -> 480 stamps
7– $24
8– 144 guppies
9– 63 sweets
10– 200 children
11– $50
12– a -> 6 years’ time , b -> 11 years’ time
13– $720
14– 150 books
15– $300
Posted in Primary 4, Problem Sums
Tagged difficult, heuristic, Maths, Primary 4, problem solving, problem sums, Singapore, word problems
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– $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