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  • Class 4 Maths Study Material

An Educational platform for Preparation and Practice Class 4. Kidsfront provide unique pattern of learning Maths with free online comprehensive study material in the form of QUESTION & ANSWER for each Chapter of Maths for Class 4. This study material help Class 4, Maths students in learning every aspect of Number Systems. Students can understand Number Systems concept easily and consolidate their learning by doing Online Practice Tests on Maths,Number Systems chapter repeatedly till they excel in Class 4, Number Systems. Free ONLINE PRACTICE TESTS on Class 4, Number Systems comprise of Hundreds of Questions on Number Systems, prepared by the highly professionals team. Every repeat test of Number Systems will have new set of questions and help students to prepare themselves for exams by doing unlimited Online Test exercise on Number Systems. Attempt ONLINE TEST on Class 4,Maths,Number Systems in Academics section after completing this Number Systems Question Answer Exercise.


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  • Topic wise:Number Systems preparation in the form of QUESTION & ANSWER.
  • Evaluate preparation by doing ONLINE TEST of Class 4, Maths,Number Systems.
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  • Attempt repeat ONLINE TESTS of Maths Number Systems till you excel.
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Number Systems
Arrange the numbers in descending order: 643, 665, 640, 612, 634

a) `640634643665612
b) `665640643634612
c) `612, 640, 634, 643,665
d) `665643640634612



Answer
Solution
Correct Answer Is : `665643640634612
Solution Is : Hint:- In descending order numbers are arranged from largest to smallest.
Arrange the numbers in ascending order: 432, 546, 530 , 412, 427

a) `412432427530546
b) `412, 427, 432, 530, 546
c) `412427432546530
d) `546530432427412



Answer
Solution
Correct Answer Is : `412, 427, 432, 530, 546
Solution Is : Hint:- In ascending order numbers are arranged from smallest to largest.
Write the number name in international system 6581249?

a) Six million five eighty one two hundred nine
b) Sixty five lakh eighty one thousand two hundred forty nine
c) Six million five hundred eighty one thousand two hundred forty nine
d) None of these



Answer
Solution
Correct Answer Is : Six million five hundred eighty one thousand two hundred forty nine
Solution Is : In international system first period called ones period formed with three digits, second period is called thousand period of next three digits and third period is called millions period which is of next three digits while in Indian system after thousands period we write lakhs.
Fill in the blanks with < , > or = DI

a) <
b) >
c) =
d) None of these



Answer
Solution
Correct Answer Is : <
Solution Is : As DI = 501 and DL = 550 therefore, 501 < 550 so answer is option-1
Write in roman numeral sum of 56 and 99 ?

a) LV
b) CLV
c) C
d) CLVII



Answer
Solution
Correct Answer Is : CLV
Solution Is : As sum of 56 + 99 = 155 therefore , in roman 155 can be written as CLV as C = 100 and LV = 55
Find two hundred less than 7893 ?

a) 7593
b) 7639
c) 7693
d) 7963



Answer
Solution
Correct Answer Is : 7693
Solution Is : Subtract: 7893 - 200 = 7693
Find out 600 more than 56789 ?

a) 57389
b) 62789
c) 57839
d) 57398



Answer
Solution
Correct Answer Is : 57389
Solution Is : Add: 56789 + 600 = 57389
10000 x 4 + 1000 x 3 + 10 x 2 + 1 is same as :

a) 43012
b) 4321
c) 40321
d) 43021



Answer
Solution
Correct Answer Is : 43021
Solution Is : 10000 x 4 + 1000 x 3 + 10 x 2 + 1 = 43021 answer is : option-4
What is the place value of 4 in 623451?

a) 4000
b) 400
c) 40
d) 4



Answer
Solution
Correct Answer Is : 400
Solution Is : As 4 is at hundreds place .so place value of 4 is 4 X 100 = 400
Write the roman numeral for 50 ?

a) DL
b) L
c) M
d) D



Answer
Solution
Correct Answer Is : L
Solution Is : In roman numeral L = 50 so answer is option-2