﻿ Maths Olympiad (CMO) Sample Paper & Questions for Class 3

# CREST Mathematics Olympiad Class 3 Sample Paper

Sample PDF of CREST Mathematics Olympiad for Class 3:

## Syllabus:

Section 1: Numerals, Number Names and Number Sense (4-digit numbers), Computation Operations, Fractions, Length, Weight, Capacity, Temperature, Time, Money, Geometry, Data Handling.

Achievers Section: Higher Order Thinking Questions - Syllabus as per Section 1

 Q.1 Out of 240 grams of sugar 180 grams of sugar was used to make a sweet dish. What fraction of sugar remained unused?
 Q.2 Fill in the blank:A number divisible by 2 is a/an ________ number.
 Q.3 A milkman mixes water in his milk while selling. If in 20 L of milk, he mixes 4 L 750 mL of water, what will be the quantity of milk and water mixture he will have for selling?
 Q.4 Roh and Sam have \$120 and \$135 each. Sem has \$35 more than the sum of the money of Roh and Sam have taken together. How much money does Sem have?
 Q.5 Which of the following should come in place of?A : D :: K : ?
 Q.6 Diana drew a set of squares and coloured a few squares. What fraction of the figure is unshaded? Q.7 Deru has written some alphabets and she wants to know the odd one out of it. Identify the odd one out.
 Q.8 On her birthday, Selina took 60 chocolates to school. Half of the chocolates were eaten by her classmates and one-fourth of the total chocolates were eaten by her friends of a different section. How many chocolates does she still have?
 Q.9 Using the given figure, find the weight of each lock if the weight of 3 keys is 1 kg: Q.10 Which of the following figure is made of straight lines only?

 Q.1 a Q.2 a Q.3 a Q.4 d Q.5 b Q.6 c Q.7 b Q.8 d Q.9 b Q.10 c

## Maths Olympiad Questions For Class 3

1. Which of the following number is less than 8 but more than 6?

a) 2
b) 4
c) 5
d) 7

2. Eighty thousand seven hundred thirty three = ____.

a) 87033
b) 78033
c) 80733
d) 80373

3. Fill in the box: 500 + 55= 400 + ?

a) 55
b) 100
c) 155
d) 500

4. 3567 + 5430 = ____.

a) 3567
b) 8799
c) 8997
d) 5430

5. Which of the following is the nearest ten for 53?

a) 70
b) 20
c) 50
d) 60

6. What is the greatest whole number you can make using all the following digits?
3,5,1

a) 135
b) 315
c) 531
d) 351

7. Yesterday was Thursday. What day is tomorrow?

a) Thursday
b) Friday
c) Saturday
d) Sunday

8. Which of the following is true?

a) 34 is more than 43.
b) 45 is more than 54.
c) 54 is less than 45.
d) 45 is less than 54

Answer: 45 is less than 54

9. The maximum time for the maths test paper is 45 minutes. If the test starts at 10:55 am, then at what time does it end?

a) 9:40 a.m.
b) 11:50 a.m.
c) 11:40 a.m.
d) 11:55 a.m.

10. Convert 5 days 9 hours into hours.

a) 119 hours
b) 129 hours
c) 127 hours
d) None of these

11. A family consumes 3 L 550 mL of milk every day. What will be their milk consumption for the month of January?

a) 106 L 500 mL
b) 110 L 50 mL
c) 102 L 95 mL
d) 111 L 550 mL

12. Which one of the following is equal to 3+3+3+3+3?

a) 5+3
b) 5×3
c) 5−3
d) 5÷3

13. The smallest 4-digit number that can be formed using the digits 7, 8, 0, 9 without repeating the digits is:

a) 9087
b) 7089
c) 7890
d) 7809

14. Which of the given options shows the correct expanded form of 8904?

a) 800 + 900 + 0 + 4
b) 8,000 + 900 + 0 + 4
c) 8,000 + 0 + 90 + 4
d) 8,000 + 900 + 0+ 40

Answer: 8,000 + 900 + 0 + 4

15. In the number 52, what is the place value of 2?

a) ones
b) tens
c) hundreds
d) none of these

16. How many 3's are there in 18?

a) 3
b) 4
c) 5
d) 6

17. Madan goes to play tennis at 5:00 pm and reaches home at 7:00 pm. How long does he play?

a) 2 hours
b) 4 hours
c) 6 hours
d) 12 hours

18. Find the missing numbers in the number series given below.
53, 48, 43, 38, _, 28, 23, _

a) 34 and 29
b) 33 and 18
c) 37 and 18
d) 33 and 21

19. Riya bought 80 oranges and 70 apples. How many fruits did she buy in all?

a) 10
b) 15
c) 150
d) 510

20. If 678 means PIT, what does 876 mean?

a) PTI
b) TPI
c) TIP
d) PIT

21. The weight of an apple is best measured in __

a) Inches
b) Millimetres
c) Litres
d) Grams

22. How many hours make a day?

a) 12 hours
b) 24 hours
c) 18 hours
d) 22 hours

23. Rohit and Karan played a basketball game. They scored a total of 20 baskets. If Rohit scored 3 baskets, how many baskets did Karan score?

a) 3
b) 5
c) 17
d) 9

24.  _ x _ =28, then find the two numbers.

a) 4 and 5
b) 5 and 7
c) 7 and 4
d) 4 and 6

25. Subtract: 324 – 34 = _

a) 280
b) 290
c) 209
d) none of these

26. Which of the following is equal to one?

a) 1×1
b) 9÷9
c) 1+0
d) All of these

27. Find the difference: Rs. 24656 and Rs. 32750.85.

a) Rs. 8904.85
b) Rs. 8094.85
c) Rs. 9084.85
d) None of these

28. How many hundreds are there in 1802?

a) 8
b) 800
c) 80
d) none of these

29. Which one of the following is true?

a) 1+0=10
b) 1−0=9
c) 1×1=11
d) 1÷1=1

30. Priya put 70 plastic cups in the first stack, 80 plastic cups in the second stack, and 90 plastic cups in the third stack. If this pattern continues, how many plastic cups will priya put in the fifth stack?

a) 100
b) 108
c) 106
d) 110

31. 72031 + 4521 + 1311 = ____.

a) 77836
b) 77863
c) 72031
d) None of these

32. Which one of the following has greater value?

a) 500 centimetre
b) 6 metre
c) 525 millimetre
d) 565 millimetre

33. What is the standard form of 7,000 + 800 + 20 + 5?

a) 7,285
b) 7,825
c) 7,852
d) 7,528

34. Divide the product of  and  by .

a) 4
b) 2
c) 5
d) 3

35. Which one of the following numbers should be subtracted from 67 to get 37?

a) 30
b) 37
c) 31
d) 27

36. Is 43 – 20 even or odd?

a) even
b) odd
c) can’t say
d) none of these

37. There are 11 boys and 19 girls in theI class. 1 boy and 3 girls are absent from school today. How many pupils are present?

a) 22
b) 26
c) 28
d) 30

38. Fill in the missing number?
___ – 564 = 254

a) 881
b) 818
c) 188
d) none of these

39. Which is not true?

a) 6,473 > 6,374
b) 6,473 < 6,473
c) 6,473 > 6,348
d) 6,473 > 6,347

40. 48 has 8 ones and ____ tens.

a) 8
b) 4
c) 12
d) 2

41. Which of these is the same as 3945 - 1540?

a) 1780 + 1345
b) 1250 + 1155
c) 2790 - 255
d) 3780 - 1275

42. Ravi has 30 eggs. He has 2 empty egg cartons that can hold 12 eggs per carton. How many eggs are left with him?

a) 6
b) 12
c) 18
d) 5

43. Which of the following number is even?

a) 7
b) 13
c) 24
d) none of these

44. What is the least whole number you can make using all of the following digits?
4, 7, 2, 9,

a) 7942
b) 2479
c) 9742
d) none of these

45. What number is in the hundreds place of 1,354?

a) 1
b) 3
c) 5
d) 4

46. 64 books are placed equally in 8 boxes. How many books does each box contain?

a) 10
b) 7
c) 8
d) 5

47. Anu bought 7 kg of pink pebbles, 2 kg of red pebbles and 6 kg of blue pebbles. She mixed them and packed them equally into 5 bags. What was the weight of the mixed pebbles in each bag?

a) 3 kg
b) 15 kg
c) 6 kg
d) 9 kg

48. How do you write 46 using words?

a) Sixty Four
b) Forty Six
c) Sixty Six
d) None of these

49. A cyclist has to run a race of 15 km 750 m. If his speed is 5 km/h, then how much time will he take to complete the race?

a) 2 hours 45 minutes
b) 3 hours 09 minutes
c) 3 hours 30 minutes
d) 3 hours 15 minutes

50. Which one of the following is more than 17 + 59?

a) 58
b) 53
c) 77
d) 48

51. Which item is the heaviest?

a) b) c) d) 