PRACTICE Assignment for class 6

Q1. Write down the mobile number of your parents in Indian and international System of     

numeration.

Q2. Using the digits  8,0,5 make

a) Smallest 4-digit number.

b) Greatest 6-digit number.

c) Smallest 5-digit number.

Q3. Estimate the following.

a) 1729+235+46

b) 4962+6239-23

c) 8956x23

Q4. Write Roman numerals for following.

1) 690         2) 1846       3) 2090         4) 999

Q5. Write Hindu-Arabic numerals for following.

1) MDCLVI     2) MCDXII      3) CLXII     4) CDLXII

Q6.What should be subtracted from 1lakh to get 77335?

Q7.A machine on an average , produces 3370 screws a day .how many screws did it  produce in

the month of February 2000?

Q8.Replace* by the smallest digit so that 2*345 is divisible by 11.

Q9.Define prime Triplets. Give two examples of prime Triplets.

Q10. Represent the following on number line.

1) 9+4-3

2) 8-5

3) 2x7

4) 5+6

Q11. Solve the following by using properties of whole numbers.

a) 661x93+7x661

b) 569x17+569x13+569x70

c) 631x10x465-367x6310

d) 7265x7265-7265x265

Q12. Test the divisibility of 4295629 by 30.

Q13. Check the divisibility of 23596 by 11.

Q14.Find the least 3-digit number which when divided by 18,24 &34 leaves a remainder 7 in    

each case.

Q15. Determine the greatest number which divides 280 and 1245 leaving remainder 4 and 3

respectively.

Q16. Express 49 &31 as the sum of three odd primes.

Q17.H.C.F. of two numbers is 6 and their L.C.M. is 36. If one of the number is 12 then find

another number.

Q18. Find the difference between place value and face value of 6 in 23654.

Q19 Write all the Prime numbers between 1 and 100.

Q20.The number of sheets of paper available for making notebooks is 75,000. Each sheet makes 8 pages of notebook. Each notebook contains 120 pages. How many books can be made from the paper available