Ans:
1– 15.2 m³
2– (4m – 6) years
3– 114 packets
4– 48 watches
5– 30 cards
6– $462.50
7– $54
8– $108
9– a -> 72 cm , b -> 37 squares , c -> 397 squares , d -> 308 cm²
10– $12p
11– $1372
12– 31 : 9
13– $1125
14– a -> 1440 cards , b -> 69%
15– 595 parcels
16– $970
17– 24 cookies
18– a-> 1/10 , b -> 8 rulers
Posted in February, Primary 6, Problem Sums
Tagged difficult, heuristic, Paper 2, Primary 6, problem solving, problem sums, Singapore, word problems
Ans:
1– 4
2– 3
3– 2
4– 1
5– 2
6– 2
7– 1
8– 2
9– 1
10– 3
11– 90 522
12– 7263
13– 2/5 and 2/7
14– $182
15– 207
16– 20
17– 24
18– 73 stamps
19– 7899 sweets
20– 62 years
21– 1007 more fishballs
22– 7 11/12 kg
23– $100
24– $18
25– $144
Posted in February, Primary 4, Revision
Tagged Maths, Primary 4, problem solving, revision, Singapore, Worksheets
Ans:
1– $52.50
2– 22 07
3– 45 min
4– 176 motorcycles
5– 3 train carriages
6– $502.40
7– $208
8– 105°
9– a -> 12 students , b -> 5/8 , c -> 1 31/39 books
10– $15
11– $112
12– 81 vanilla candies
13– 62 oranges
14– a -> $100 , b -> $1000
15– 56 pupils
16– $5800
17– 15 kg
18– 46 stamps
Posted in February, Primary 6, Problem Sums
Tagged difficult, heuristic, Paper 2, Primary 6, problem solving, Singapore, Worksheets
Ans:
1– 7200 stamps
2– 1234 boys
3– $1330
4– $120
5– 748 marbles
6– Friday
7– $170
8– $1650
9– a -> $9.40 , b -> 17 coins
10– a -> 7/11 , b -> 248 kg
11– $326
12– a -> 24 pupils , b -> 128 books
13– $48
14– $930
15– 126 marbles
16– a -> 66 sweets , b -> 114 sweets
17– a -> $12.50 , b -> $305
18– a -> 36 apples , b -> 27 oranges
Posted in February, Primary 5, Problem Sums
Tagged difficult, heuristic, Level 3, Maths, Paper 2, Primary 5, problem solving, problem sums, Singapore, word problems
Ans:
1– 4
2– 3
3– 2
4– 3
5– 3
6– 4
7– 2
8– 4
9– 1
10– 3
11– 2 and 3
12– 1 1/8
13– 1 3/4
14– 7/10
15– $1400
16– 23 marbles
17– 25 weeks
18– 1/4
19– 26 beads
20– 40th guest
21– 26 sweets
22– a -> 67 boxes , b -> $1005
23– 60 boys
24– 156 hamsters
25– 180 blue marbles
Posted in February, Primary 4, Revision
Tagged Maths, Primary 4, problem solving, Singapore, Worksheets
Ans:
1– 2
2– 3
3– 3
4– 1
5– 2
6– 3
7– 1
8– 1
9– 3
10– 4
11– 5/56 m
12– 156
13– 9
14– 9 h 25 min
15– $512
16– 20 posts
17– 10 : 6 : 3
18– 1 4/5 min
19– 116°
20– 81 pies
21– 72 roses
22– $200
23– 4.05 l
24– $351
25– $477.80
26– 8 pizzas
Posted in February, Primary 6, Revision
Tagged Maths, mcq, Primary 6, problem solving, revision, Singapore, word problems
1– 1
2– 1
3– 3
4– 2
5– 4
6– 1
7– 2
8– 2
9– 2
10– 4
11– 28 days
12– 160 minutes
13– 6850
14– 8 3/8 , 2 1/3 , 9/4 , 5/6
15– 120 packets
16– $4536
17– $33
18– 7/24 l
19– 10 50
20– $380
21– $100
22– $41.10
23– 42 T-shirts
24– a -> 720 people , b -> 104 non-swimming females
25– 1470 girls
26– $4500
Ans:
1– 25 apples
2– 2 more children
3– $1.80
4– 49 story books
5– 143 kg
6– 2/5
7– $9000
8– 60 cm
9– 20 apples
10– $584
11– 250 pens
12– a -> 42, 2/7 , b -> 1/7
13– a -> 18 months , b -> 512
14– a -> 4 : 3 , b -> 204 cows
15– a -> 275 square papers , b -> 138 black square papers
16– 170 stickers
17– a -> $300 , b -> $2085
18– a -> 7 : 8 , b -> 100 coins
Posted in February, Maths, Primary 6, Problem Sums
Tagged difficult, heuristic, Maths, Paper 2, Primary 6, problem solving, Singapore, word problems
Ans:
1– 1776 girls
2– $250
3– $86.20
4– 43 ice cream sticks
5– 130 marbles
6– $9
7– 330 males
8– 50 years old
9– 74 marbles
10– 13
11– a -> 232 more women , b -> 580 people
12– a -> 12 small durians , b -> $42 more
13– a -> $16.50 , b -> $273
14– a -> 60 apples . b -> 20¢
15– 67.75 kg
16– 86 stickers
17– a -> $4.50 , b -> $33.70
18– 1 hr 12 min
Posted in February, Maths, Primary 5, Problem Sums, Singapore
Tagged difficult, heuristic, Level 3, Maths, Paper 2, Primary 6, problem sums, Singapore, Worksheets
Ans:
1– 3
2– 2
3– 3
4– 2
5– 3
6– 4
7– 4
8– 1
9– 1
10– 3
11– 3 13/18
12– 1/8 m
13– 568.99
14– $45
15– 1/20
16– 14 cm
17– 36 boxes
18– 7 : 8
19– 2 : 3
20– 100°
21– 152 boys
22– 2 : 1
23– $432.65
24– 5 ways
25– 550 students
26– 270 balloons
Posted in February, Maths, Primary 6, Revision
Tagged Maths, Paper 1, Primary 6, problem solving, Singapore, Worksheets
