Tag Archives: Whole Numbers

Primary 3 January Review 5

P3-Jan-Review 5

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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Primary 2 January Review 1

P2-Jan-Review 1

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

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Primary 2 Whole Numbers Level 3 Ex 2

P2-Whole Numbers-L3-Ex 2

Ans:

1–  8 markers

 

2–  8 stamps

3–  569 stickers

4–  776 stamps

5–  40 pupils

Qn 5

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

Primary 2 Whole Numbers Level 3 Ex 1

P2-Whole Numbers-L3-Ex 1

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

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Primary 2 Whole Numbers Level 2 Ex 1

P2-Whole Numbers-L2-Ex 1

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 =

 

6–  108

148   ,  144  ,  136  ,   124  ,  108,  88
-4         -8          -12       -16    -20

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Primary 2 Whole Numbers Level 1 Ex 2

P2-Whole Numbers-L1-Ex 2

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 

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Primary 3 Whole Numbers Level 3 Ex 4

P3-Whole Numbers-L3-Ex 4

Ans:

1–  4200 beads

Qn 1

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

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Primary 2 Whole Numbers Level 1 Ex 1

P2-Whole Numbers-L1-Ex 1

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–   Continue reading

Primary 3 Whole Numbers Level 3 Ex 3

P3-Whole Numbers-L3-Ex3

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

Primary 3 Whole Numbers Level 3 Ex 2

P3-Whole Numbers-L3-Ex 2

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