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
Math Blog
Tag Archives: Level 3
Primary 5 Ratio Level 3 Ex 4
Tagged difficult, heuristic, Level 3, Primary 5, problem solving, problem sums, Ratio, Singapore, word problems, Worksheets
Primary 5 Ratio Level 3 Ex 3
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
Primary 6 Speed Level 3 Ex 3
Ans:
1– 77 1/7 km/h
2– 52 km/h
3– 7 2/3 km/h
4– 132.5 km
5– 24 km/h
6– 14 h 45 min
7– 5 hours
8– 60 km/h
9– 80 km/h
10– 12 km
11– a -> 165 km , b -> 5 p.m.
12– a -> Edwin – 4.8 km , Jack – 7.2 km , b -> 8.08 a.m.
Tagged difficult, heuristic, Level 3, Maths, Primary 6, problem solving, problem sums, Singapore, Speed, word problems, Worksheets
Primary 5 Ratio Level 3 Ex 2
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
Primary 5 Ratio Level 3 Ex 1
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
Primary 6 Speed Level 3 Ex 2
Ans:
1– 10 00
2– 60 km/h
3– 285 km
4– a -> 6.50 a.m. , b -> 180 km
5– a -> 98 km , b -> 123 km/h
6– 6 minutes
7– 5.45 p.m.
8– 13.5 km
9– a -> 70 m/min , b -> 3780 m/ 3 km 780 m
10– 1.30 p.m.
Posted in Primary 6, Problem Sums, Speed
Tagged difficult, heuristic, Level 3, Maths, Primary 6, problem solving, problem sums, Singapore, Speed, word problems, Worksheets
Primary 6 Speed Level 3 Ex 1
Ans:
1– 52.5 km/h
2– 510 km
3– a -> 42 km/h , b -> 290 km
4– a -> 66 km/h , b -> 234 km
5– 108 km/h
6– a -> 50 km/h , b -> 75 km/h
7– 10 2/3 h / or 10 h 40 min
8– 80 km/h
9– 88 km/h
10– 162 seconds
Tagged difficult, heuristic, Level 3, Primary 6, problem sums, Singapore, Speed, Worksheets
Primary 6 March Problem Sums 5
Ans:
1– $6.20
2– 1700 female soldiers
3– 46 cm
4– 8 dictionaries
5– 11 minutes
6– 300 cups
7– $21
8– 10 days
9– 464 cards
10– Sharon -> $1175 , Tracy -> $350
11– $300
12– a -> 399 , b -> 199 and 200 , c -> Column B
13– 270 fruits
14– 85 large parcels
15– 161.36%
16– 150 stamps
17– 31 days
18– a -> 45% , b -> 17 : 20
Posted in March, Primary 6, Problem Sums
Tagged difficult, heuristic, Level 3, Maths, Paper 2, Primary 6, problem solving, word problems, Worksheets
Primary 4 Fractions Level 3 Ex 3
Ans:
1– 3 11/20 kg
2– 1500 g
3– 30 boxes
4– $270
5– 120 boys and girls
6– 81 pupils
7– 60 brownies
8– a -> 3/5 kg , b -> 1/5 kg
9– 84 fruits
10– $4000
11– 32 pens
12– a-> 8/9 , b -> 54 pages
13– 150 cards
Posted in Fractions, Primary 4, Problem Sums
Tagged Fractions, Level 3, Maths, Primary 4, Singapore, word problems, Worksheets
Primary 4 Fractions Level 3 Ex 2
Ans:
1– $40
2– 7/12
3– 4 kg
4– 90 boys
5– 1 1/2 m
6– 32 stamps
7– 59 eggs
8– 45 pupils
9– a -> 5/8 , b -> 36 stamps
10– $1300
11– 72 pupils
12– a -> $12 , b -> $48
13– 48 marbles
14– 168 toy trains
15– 20 daisies
Posted in Fractions, Primary 4, Problem Sums
Tagged difficult, Fractions, heuristic, Level 3, Primary 4, problem solving, problem sums, Singapore, word problems, Worksheets
