Ans:
1– 1
2– 2
3– 2
4– 2
5– 3
6– 2
7– 4
8– 1
9– 3
10– 2
11– 1 1/10
12– Four million, three hundred and twenty-eight thousand, six hundred and seventeen
13– 4
14– 98 cm²
15– 1/5
16– 4/5 , 5/6 , 6/7 , 8/9 , 10/11
17– 1 : 2
18– $1987.20
19– 35¢
20– 240 stickers
21– $4350
22– $125
23– 148 files
24– 49 men
25– a -> 120 books , 26 -> 120 books
26– a -> 64 m , b -> $4992
Ans:
1– 3
2– 3
3– 4
4– 4
5– 1
6– 1
7– 2
8– 3
9– 3
10– 4
11– 400 000
12– 29
13– 4/25
14– $168
15– 2/3
16– 160 cm²
17– $44.80
18– See attached Qn 18
19– 7/11
20– 40 m
21– 25 boys
22– 264 cm / 2 m 64 cm
23– 30 cm²
24– 560 female fish
25– a -> 288 cards , b -> $192
26– $216
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– 2
2– 3
3– 4
4– 1
5– 1
6– 3
7– 3
8– 4
9– 2
10– 1
11– 19
12– 28
13– 45
14– 1 : 6
15– $3.80
16– 31 years old
17– 65 cm²
18– $83
19– 875 cm²
20– 41 passengers
21– $994
22– 1581 pupils
23– $50
24– $12
25– a -> 216 pupils , b -> 120 girls
26– 1750 cm²
Ans:
1– 3 : 2
2– 2 : 7
3– 375 people
4– 385 pencils
5– 65 coins
6– $60
7– 80 oranges
8– 60 years old
9– 810 more members
10– 2178 chocolates and lollipops
11– $60
12– increase by 25
Tagged difficult, heuristic, Level 3, Primary 5, problem solving, problem sums, Ratio, Singapore, word problems, Worksheets
Ans:
1– 1 : 3
2– $640
3– 63 years old
4– 15 boys
5– 122 more stamps
6– 8 : 6 : 11
7– a -> 12 years old , b -> 2 : 5
8– $248
9– 280 sweets
10– $1160
11– 39 more balls
12– a -> $390 , b -> $150
Tagged difficult, heuristic, Level 3, Primary 5, problem solving, problem sums, Ratio, Singapore, word problems, Worksheets
Ans:
1– $90
2– 5 : 9
3– 100 marbles
4– 168 books
5– 14 adults
6– 480 ducks
7– 98 apples
8– $98
9– $180
10– 7 : 2
11– a -> 24 male guests , b -> $528
12– $27.60
Tagged difficult, heuristic, Level 3, Maths, Primary 5, problem solving, problem sums, Ratio, Singapore, word problems, Worksheets
Ans:
1– a -> 150 plastic cups , b -> 125 porcelain cups
2– $150
3– $1500
4– $672
5– $682
6– Gary -> $60 , Henry -> $84
7– 4 : 3
8– 20 more pens
9– $3990
10– 70 cupcakes
11– 1 -> 60 red pens , b -> 138 red pens
12– 91 watches
13– 132 men and women
14– 30 cards
15– a -> 30 coffee cakes , b -> $750
Tagged difficult, heuristic, Level 3, Maths, Primary 5, problem solving, problem sums, Ratio, Singapore, word problems, Worksheets
Ans:
1– 2 : 3
2– 14
3– 75 kg
4– 5 : 9
5– $60
6– 48 years old
7– 3 : 2
8– 12 cm
9– 1 : 2
10– $98
11– 11 : 3
12– $480
Ans:
1– 4
2– 3
3– 4
4– 1
5– 2
6– 2
7– 2
8– 3
9– 4
10– 4
11– 9 13/24
12– 4
13– 29.4 kg
14– 51
15– 5 h 5 min
16– 15 : 8
17– 18 cm
18– 12 squares
19– 4 : 2 : 1
20– 3/8
21– $96
22– $4 640 000
23– 96 bookmarks and pens
24– 28 balls
25– a -> 3/10 , b -> 72 curry puffs
26– a -> 132 more stamps , b -> 621 stamps
