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– $1392
2– 11/35
3– 160 people
4– 320 beads
5– $54
6– 36 toys
7– Catherine -> $408 , Wendy -> $232
8– 100 apples left
9– $15 630
10– 8 sweets
11– 240 chickens
12– 84 marks
13– 31 boxes
14– $104
Posted in Maths, May, Primary 4, Problem Sums
Tagged difficult, heuristic, Maths, Primary 4, problem solving, problem sums, Singapore, word problems, Worksheets
Ans:
1– 3
2– 3
3– 4
4– 3
5– 2
6– 4
7– 4
8– 2
9– 3
10– 4
11– 279
12– 3500
13– 3/7 and 5/11
14– 3 children
15– 14
16– See attached Qn 16
17– West
18– 7/18
19– 25 more fiction books
20– $3020
21– 84 sweets
22– 240 cm
23– 24 marbles
24– $1050
25– a -> 4 packets, b -> 16 buttons
Ans:
1– 275 ribbons
2– 910 stamps
3– 1 1/8 l
4– $204
5– 56 stamps
6– 5 kg
7– a -> $334 , b -> $2672
8– 8 1/5 m
9– 3400 stickers
10– $100
11– 620 pupils
12– 403 stamps
13– 92 pens
14– a -> 4 kg , b -> $47
Posted in May, Primary 4, Problem Sums
Tagged difficult, heuristic, Maths, Primary 4, problem solving, problem sums, Singapore, word problems, Worksheets
Ans:
1– 1
2– 2
3– 3
4– 4
5– 3
6– 3
7– 1
8– 1
9– 1
10– 2
11– 7/9
12– 10 517
13– 15
14– See attached Qn14
15– 124
16– 120 more pupils
17– 210 pupils
18– 6 ways
19– $54
20– $16
21– 40 marbles
22– $49
23– $520
24– 2398 erasers
25– 1554 dresses
Tagged Maths, Primary 4, revision, Singapore, Worksheets
Ans:
1– 4 3/10 m
2– 36 pupils
3– $52
4– 7008 km
5– $270
6– $90
7– 1/3
8– $480
9– 75 marbles
10– 500 g
11– 32 seats
12– 27 passengers
13– 20 m
14– 3144 pens
Posted in April, Primary 4, Problem Sums
Tagged difficult, heuristic, Maths, Primary 4, problem solving, problem sums, revision, Singapore, word problems, Worksheets
Ans:
1– 3 1/3
2– 1/5
3– 3/8
4– 2/5 , 2/3 , 13/15
5– 1 1/4 l
6– $25
7– 1 4/9 kg
8– 2 7/8 m
9– 40 passengers
10– 11/24
11– 5/9
12– 13/20
Ans:
1– 4
2– 3
3– 2
4– 3
5– 3
6– 2
7– 4
8– 4
9– 3
10– 3
11– 4
12– 23/7
13– 8549
14– 3 1/4 l
15– See attached Qn 15
16– 17 black balloons
17– $54
18– 1/4
19– 8 pupils
20– 1000 girls
21– 1210 children
22– $1260
23– $3158
24– $108
25– a -> 16 and 19 , b -> 31 matchsticks
Ans:
1– 4
2– 4
3– 3
4– 1
5– 3
6– 3
7– 3
8– 2
9– 4
10–
11– 16 141
12– 2016
13– 950 packets
14– 20 598
15– 120°
16– 33 pupils
17– 1/4
18– 257 marks
19– 12 scouts
20– 31 muffins
21– $8
22– 133 m
23– 66 stickers
24– $89
25– a -> 5 beads , b -> 100 beads
Ans:
1– $90
2– 1640 more marbles
3– 30 sweets
4– 39 rounds
5– 30 pupils
6– 516 marks
7– 24 boys
8– $120
9– a -> 204 people , b -> 4/5
10– $1261
11– 36 books
12– 450 chocolates
13– 3 1/10 kg
14– $8520
Tagged difficult, heuristic, Maths, Primary 4, problem solving, problem sums, Singapore, word problems, Worksheets
