Practice Test for Class 6 Maths Chapter 1 Knowing our Numbers

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Multiple Choice Questions

Question 1
Round 126 to nearest tens?
a. 120
b. 130
c. 100
d. 200 Question 2
Which is smallest?
a. 4567
b. 1456
c. 4345
d. 1234 Question 3
What is 100000 – 1?
a. 9
b. 99
c. 9999
d. 99999 Question 4
1345656 ____ 989456
a. >
b. <
c. =
d. none of these Question 5
2507324____ 2501745
a. <
b. >
c. =
d. none of these Question 6
What is the sum of 567 and 843?
a. 567
b. 843
c. 1410
d. 1500 Question 7
The greatest four digit number using 3, 0, 9, 1 without repetition is
a. 9301
b. 9311
c. 9103
d. 9310 Question 8
1 km = _____ mm
a. 10
b. 100
c. 10000
d. 10,00,000

Solve the below problems

Question 9
(a) 1 metre = _______cm
(b) 1 gram = _______mg
(c) 10 litre = _______ ml Question 10
Give a rough estimate by rounding off to nearest hundreds:
a. 12904 + 2888
b. 8325 – 4317
c. 5281 × 592 Question 11
Solve the following:
a.X + V
b.V + III
c. XV + II
d. IX + X II + VI
e. V – I
f. VII - IV
g. IX - III
h. XL - VII. Question 12
Find the following in ascending order?
a. 100101, 100001, 100011, 101001
b. 5607, 5555, 67091, 6744 Question 13
Write following numbers in Roman literals?
a. 96
b. 66
c. 79
d. 98
e. 69
f. 80 Question 14
Which of the following is meaningless?
a. VVII
b. LIL
c. IVC
d. VII Answers
1. b
2. d
3. d
4. a
5. b
6. c
7. d
8. d
9.
a. 100 cm
b. 1000 mg
c. 10,000 ml

10.
a. 12900 + 2900 =15800
b. 8300 -4300 = 4000
c. $5300 \times 600=3180000$

11.
We can easily get the answer by converting them in normal number form and then performing the addition and then converting again to Roman literals
a. XV
b. VIII
c. XVII
d. XXVI
e. IV
f. III
g. VI
h. XXXII

12.
a. 100001 < 100011 < 100101 < 101001
b. 5555 < 5607 < 6744 < 67091

13.
a. 96 = XCVI
b. 66 = LXVI
c. 79 = LXXIX
d. 98= XCVIII
e. 69 =LXIX
f. 80 = LXXX

14.
(a) VVII : Meaning less, V, L and D are never subtracted
(b) LIL : Meaning less V, L and D are never subtracted
(c) IVC : Meaning less as V, L and D are never subtracted
(d) VII : Meaning full

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