Class 4 Maths - Number System - Set 07

1. 9 007
2. 9 070
3. 90 070
4. 90 700

Answer

B.

Q2) Which is the best estimate for 857 x 34?

1. 800 x 30
2. 800 x 40
3. 900 x 30
4. 900x 40

Answer

C.

Q3) The first 4 multiples of 12 are __________ .

1. 1, 2, 3 and 4
2. 1, 3, 4 and 6
3. 12, 24, 36, 48
4. 24, 36, 48 and 60

Answer

C.

Q4) All the factors of a number are given below:
1, 3, 7, 9, 21 and _____ .
What is the missing factor?

1. 27
2. 41
3. 56
4. 63

Answer

D.

Q5) Which one of the following is the best estimate of 892 x 46?

1. 890 x 40
2. 890 x 50
3. 900 x 40
4. 950 x 50

Answer

B.

Q6) Which one of the following numbers is 10 000 when rounded off to the nearest hundred?

1. 9 099
2. 9 295
3. 9 501
4. 9 953

Answer

D.

Q7) How many hundreds are there in 87 200 altogether?

1. 2
2. 200
3. 872
4. 8 720

Answer

C.

Q8) 134 tenths = ______

1. 13.4
2. 1.34
3. 0.134
4. 0.0134

Answer

A.

Q9) Which one of the following when rounded off to the nearest 1 decimal place is 50.0?

1. 49.949
2. 50.049
3. 50.065
4. 50.404

Answer

B.

Q10) The best estimate for 42 x 68 is _______.

1. 40 x 60
2. 40 x 70
3. 50 x 60
4. 50 x 70

Answer

B.

Q11) 6 ones, 9 tenths and 4 thousandths is _______________.

1. 0.694
2. 6.094
3. 6.904
4. 6.94

Answer

C.

Q12) A 4-digit number is made up of digits from 0 to 9. Each digit can be used only once. What is the smallest possible odd number that can be created?

Answer: ____________________________

Answer

1023

Q13) A 2-digit odd number is between 45 and 60. This number gives a remainder of 1 when divided by 7. The same number gives no remainder when divided by 3. The difference between the 2 digits is 2. What is the number?


Ans: ___________

Answer

57

Q14)  Ellen has 4 number cards as shown below.
 
 3           5              8                0 
 
 
 
By using the digits on the cards, she forms the greatest 4-digit number and the smallest 4-digit number. Find the difference between these 2 newly formed numbers.
 
Answer: ___________________
 Answer
5472

Q15) 7 is a common factor of 7, 21, __________ and 77. Fill in the blank with the largest possible whole number that is less than 60.


Ans: __________

Answer

56