Ans:

1– **3**

2– **2**

3– **2**

[Option 1 is the smallest value but it is an odd number]

4– **2**

The smallest possible even number that can be formed is 3470.

5– **1**

482 – 253 = 229 blue marbles

253 -229 = **24 more black marbles**

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Ans:

1– **3**

2– **2**

3– **2**

[Option 1 is the smallest value but it is an odd number]

4– **2**

The smallest possible even number that can be formed is 3470.

5– **1**

482 – 253 = 229 blue marbles

253 -229 = **24 more black marbles**

Tagged Maths, Primary 3, Review Paper, revision, Singapore, Singapore Maths, Whole Numbers, Worksheets

Ans:

1– **2**

2– **2**

2 hundreds = 200

3 tens 6 ones = 36

200 – 36 = **164**

3– **2**

4– **4**

5– **2**

5 hundreds 2 tens = 520

3 hundreds 1 ten 4 ones = 314

520 – 314 = **206**

6– **1**

7– **1**

8– **3**

700 – 500 = 200 = **20 tens**

Posted in Primary 2, Review, Singapore

Tagged Maths, Paper 2, Review Paper, revision, Singapore, Singapore Maths, Whole Numbers, Worksheets

Ans:

1– **8 markers**

2– **8 stamps**

3– **569 stickers**

4– **776 stamps**

5– **40 pupils**

Number of girls –> 30 ÷ 3 = 10

30 + 10 = **40 pupils**

6– **9 beads**

Total number of beads they had –> 76 + 45 = 121

130 – 121 = **9 beads**

7– **720 stickers**

Number of stickers Tanya has –> 341 + 38 = 379

379 + 341 = **720 stickers**

8– **537 stamps**

Posted in Primary 2, Whole Numbers

Tagged difficult, Level 3, Maths, Primary 2, problem solving, problem sums, Singapore, Singapore Maths, Whole Numbers, word problems

Ans:

1– **241 marbles**

2– **538 stamps**

Number of stamps Irene has –> 325 – 112 = 213

325 + 213 = **538 stamps**

3– **202 marbles**

4– **40 pupils**

5- **30 apples**

Number of apples in each basket –> 2 + 3 = 5

5 × 6 = **30 apples**

Posted in Primary 2, Whole Numbers

Tagged difficult, Level 3, Maths, Paper 2, problem solving, problem sums, Singapore, Singapore Maths, Whole Numbers, word problems, Worksheets

Ans:

1– **49**

2– **36**

[Guess and Check]

1 × 18 = 18 ——–> Difference – 17 (Wrong)

2 × 9 = 18 ———> Difference – 7 (Wrong)

**3 × 6 = 18 ———> Difference – 3 (Correct)**

3– **Six hundred and twelve**

4– **734** ,** 437** , **374**

5– **9 fives**

95 – 50 = 45

45 ÷ 5 = **9 **

6– **108**

148 , 144 , 136 , 124 , **108, ** 88

-4 -8 -12 -16 -20

Posted in Primary 2, Whole Numbers

Tagged Primary 2, Singapore, Singapore Maths, Whole Numbers

Ans:

1– **3**

2– **3**

3– **1**

4– **3**

5– **3**

6– **2**

7 hundreds 8 tens 12 ones –> 792

1 hundred 2 tens 2 ones –> 122

792 – 122 = **670 **

Posted in Primary 2, Whole Numbers

Tagged easy, Maths, mcq, Primary 2, Singapore Maths, Whole Numbers, Worksheets

Ans:

1– **4200 beads**

Number of beads Jennifer has –> 1866 + 468 = 2334

2334 + 1866 = **4200 beads**

2– **195 steps**

3– **67 cookies**

4– a –> **1277 men** , b -> **1085 more men**

Number of men who participated –> 1277 – 89 = 1188

Number of women who participated –> 123 – 20 = 103

1188 – 103 =**1085 more men **

5– **5460 stickers **

Number of months from February to October –> 9

9 × 20 = 180 more than January

5280 + 180 = **5460 stickers**

6– **$712**

Total amount of money Melody and Lisa have –> $2835 + $4259 = $7094

Amount of money each of them has in the end –> $7094 ÷ 2 = $3547

$4259 – $3547 = **$712**

Posted in Primary 3, Whole Numbers

Tagged difficult, heuristic, Level 3, Maths, Primary 3, problem sums, revision, Singapore, Singapore Maths, Whole Numbers, word problems, Worksheets

Ans:

1– **1**

2– **3**

3– **2**

1 rectangle –> 16 ÷ 2 = 8

8 + 3 = **11**

4– **3**

9 + 3 + 9 + 3 = 24

24 ÷ 4 = **6**

5– **2**

6– **4**

7– **1 ** Continue reading

Posted in Primary 2, Whole Numbers

Tagged easy, Maths, mcq, Primary 2, Singapore, Singapore Maths, Whole Numbers, Worksheets

Ans:

1– 4579 more red pens

2– 315 pupils

3– 13 trays

4– 200 cookies

5– 483 fewer boys

6– 946 books

7– 37 passengers

8– 9 packets

9– 13 trips

10– 30 bicycles

11– a -> 99 blue beads , b -> 198 more red beads

12– $19

13– 96 years

14– 1093 people

Posted in Primary 3, Whole Numbers

Tagged difficult, heuristic, Level 3, Primary 3, problem solving, Singapore, Singapore Maths, Whole Numbers, word problems

Ans:

1– 28 fasteners

2– 9028 tickets

3– 1548 beads

4– 282 cards

5– a -> 34 boxes , b-> 4 chocolate truffles

6– 70 apples

7– a -> 75 packets , b -> 3 stamps

8– 1304 cookies

9– a -> 2675 cookies , b -> 3575 cookies

10– a – 6 children , b -> $120

11– 104 eggs

12– $20

13– 576 marbles

14– $644

15– 10 chickens and 20 goats

Posted in Primary 3, Whole Numbers

Tagged difficult, heuristic, Level 3, Maths, problem solving, problem sums, Singapore, Singapore Maths, Whole Numbers, word problems, Worksheets