Ans:
1– $24
2– 48 students
3– 240 chickens
4– 30 girls
5– 26 stickers
6– 25 kg
7– 32 pens
8– 8.13 p.m.
9– 34 beads
10– a-> 350 g , b-> 240 g
11– a-> $357.30 , b-> $25.95
12– $36
13– 5 h 45 min
14– $26
15– 240 stamps
16– 16 25
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Tag Archives: September
Primary 4 September Problem Sums Ex 1
Posted in Primary 4, Problem Sums, September
Tagged difficult, heuristic, Primary 4, problem solving, problem sums, revision, September, Singapore, word problems, Worksheets
Primary 6 September Problem Sums Ex 6
Ans:
1– $54
2– 192p cm²
3– 140 m
4– 5 guests
5– 11 116 cm³
6– 10 more girls
7– $0.10 / 10¢
8– $6
9– a-> $1250 , b-> $6500
10– 64 stickers
11– 18.56 l
12– a-> 360 km , b-> 120 km/h
13– a-> 75 pencils , b-> $0.60/ 60¢
14– 99 blue pens
15– Kelvin -> $28 , Irene -> $12
16– 25%
17– 80 km/h
18– 100 cm
Posted in Primary 6, Problem Sums, September
Tagged difficult, heuristic, Paper 2, Primary 6, problem solving, problem sums, PSLE, revision, September, Singapore, word problems, Worksheets
Primary 6 September Problem Sums Ex 5
Ans:
1– 15 more boys
2– 54 cm
3– a-> 15 pupils , b-> 17 sweets
4– 4 50-cent coins and 6 20-cent coins
5– 2268 cm³
6– 14 kg
7– $150
8– $12
9– 1920 m / 1.92 km
10– a-> 6 : 35 : 21 , b-> 144 guests
11– $140
12– 99.7 cm²
13– a-> $280 , b-> $252
14– a-> 16 l , b-> 15 pails
15– a-> 1800 parcels , b-> $720
16– $1220
17– a-> See attached Qn 17 , b-> 20 cm , c-> 5933 cm²
18– 3 km
Posted in Problem Sums, PSLE, Revision, September
Tagged difficult, heuristic, Paper 2, Primary 6, problem solving, problem sums, PSLE, revision, September, Singapore, word problems, Worksheets
Primary 5 September Problem Sums Ex 1
Ans:
1– 40 stamps
2– 264 cm²
3– 70 marks
4– 21 years old
5– $2
6– 48 years old
7– 264 erasers
8– $57.80
9– $140
10– 138 pies
11– 40%
12– $490
13– 3800 pupils
14– 190 cards
15– a-> 264 sweets , b-> 280 sweets
16– 24 triangles
17– $324
18– 22 questions
Posted in Primary 5, Problem Sums, Revision, September
Tagged difficult, heuristic, Paper 2, Primary 5, problem solving, problem sums, revision, September, Singapore, word problems
Primary 6 September Problem Sums Ex 4
Ans:
1– $(21 + 3x)
2– 78.3 m/min
3– a-> 13 × 14 , b-> 14 × 15
4– 3474 trees
5– 2070 coins
6– 15 years’ time
7– 15 chicken wings
8– 30 red pens
9– $252
10– 12.24 p.m.
11– 13 marbles
12– a-> 44 cm , b-> 28 cm²
13– 4.185 l
14– a-> 115 defective jackets , b-> $1610
15– 580 passengers
16– 396 cards
17– 3 h 45 min/ 3 3/4 h
18– a-> 9 , b-> 30 , c-> 100 , d-> 650 , 2500
Posted in Primary 6, Problem Sums, PSLE, Revision, September
Tagged difficult, heuristic, Paper 2, Primary 6, problem solving, problem sums, PSLE, revision, September, Singapore, word problems
Primary 6 September Problem Sums Ex 3
Ans:
1– See attached file Qn 1
2– 5 2/3 hours/ 5 hours 40 minutes
3– 91 marks
4– 48 years old
5– 112 sheep
6– a-> $2.90 , b-> $35.10
7– 10%
8– 10 red marbles
9– 436 documents
10– 280 women
11– 30 chickens, 720 ducks
12– 250 cm²
13– a-> 10 km , b-> 175 m/min
14– 30l
15– a-> 91 copies , b-> 20 hours
16– 100 cm²
17– 442 km
18– a-> 96 mangoes , b-> $171
Posted in Primary 6, Problem Sums, PSLE, Revision, September
Tagged difficult, heuristic, Paper 2, Primary 6, problem solving, problem sums, PSLE, revision, September, Singapore, word problems
Primary 6 September Problem Sums Ex 2
Ans:
1– 24 : 7
2– 68 + y
3– 116 females
4– 5/14
5– 100 km
6– 22 curry puffs
7– 7 cm
8– 80 people
9– a-> 76º, b-> 30°
10– 42
11– a-> 37 men, b-> 47 women
12– 101.5 km/h
13– 16 tickets
14– 45 minutes
15– $1300
16– a-> 216 stamps, b-> 6 more stamps
17– 250 balls
18– a-> 24 beads, b-> 64 red beads
Posted in Primary 6, Problem Sums, PSLE, Revision, September, Uncategorized
Tagged difficult, heuristic, Paper 2, Primary 6, problem solving, problem sums, PSLE, revision, September, Singapore, word problems, Worksheets
Primary 6 September Problem Sums Ex 1
Ans:
1– 166 g
2– $50
3– 48 sweets
4– 9 hours
5– a-> 4n – 9 , b-> 55
6– 960 km
7– 42 marbles
8– 428, 473
9– Sarah -> $28 , David-> $60
10– a-> 5% , b-> $600
11– a-> 21.25 cm , b-> 42 500 cm³
12– 22 balls
13– a-> 583.68 cm² , b-> 200.96 cm
14– a-> 150 roses , b-> 1 : 2
15– a-> 49 squares , b-> 2500 squares , c-> 9 shaded squares , d-> 784 shaded squares , e-> 20 white squares , f-> 156 white squares
16– 240 books
17– a-> 82 ½ km/h , b-> 825 km
18– 19/50
Posted in Primary 6, Problem Sums, PSLE, Revision, September
Tagged difficult, heuristic, Primary 6, problem solving, problem sums, PSLE, revision, September, Singapore, word problems
