1. Write the Roman numeral for the following Hindu-Arabic numerals. a) 78 b) 55 c) 121 d) 345 e) 298 f) 449 g) 190 h) 210 i) 320 j) 83 2. Write the Hindu-Arabic numeral for the following Roman numerals. a) LXX b) XIV c) CXCV d) CDX e) CCIX f) CLXIX g) CDXXVIT h) CCCLXXV i) DVIII j) XCVI 3. Mention which of the following are meaningless; otherwise write the corresponding Hindu-Arabic numeral. a)IC b) CI c) LD d) CD e)DD__ _ f) CCCLIX _ _ g) CCCVIL h) CXXXXV i) LLx. j)VD__ 4. Insert the appropriate symbol >, < or =. a) XLIIT LXIV b) CXLIX CLXXXIX c) XCVI LXVI d) CDLII CDLIII 5. Arrange the following Roman numerals in ascending order. a) XXIII, XLII, LV, LIX b) XCV, XCII, CIX, CI ¢) CCCIX, CCCXX, CCCVIIT, CCXLINTERNATIONAL SYSTEM OF NUMERATION 1_Fill in the blanks: 1) In International System each period has digits. 2) Hundred thousands, ten thousands and thousands form period. 3) Hundred millions, ten millions and millions form period 4) The digit which is just to the right side of million’s place comes under period. IL_Write the number names of the following in the International system of numbers: a) 63,678,000 - b) 290, 004, 096 - c) 450,891 - d) 6,012, 498 - e) 118, 690,000 - f) 10, 010, 100- {ll Write the numeral for the following: a) Nine hundred thousand - b) Thirty million four hundred three thousand one hundred fourteen - ¢) Two hundred twenty two million three hundred thirty three thousand - d) One hundred twenty million four hundred sixty nine thousand two hundred five — e) Three hundred thirteen million two - f) Eighteen million eight hundred thousand eighteen — IV. Put commas in appropriate places according to International system of numeration and write their number names. a) 38974012 b) 89290124Q-L. Fill in the blanks a. Smallest 8 digit number is Db lakhs = 1 crore __ thousands thousands. ao . Hundreds placeisin, 1000 more than 39,999 is . 8 digit number begins with________place (Indian system). Soa mh @ k. Thereare_ 6 digit numbers in all. |. 37,465 rounded to the nearest 100 is m. One less than the smallest 7 digitnumberis_ 3 n. 9,32,961 p,613 Put(> , > or =) o. The difference between the place value and face value of 6 in 28639 is Q-I_ Choose the correct answer. 1. 100 lakhisalsocalled = (10 million, 10 crore, one million) 2. 7 digit number begins with___________ place. (10 million, 10 lakh, one crore) 3. 1crore=________ million. (10, 100, — 1000) 4 The digit 9 in the numeral 92,35,625 is in (tenlakhs, thousands, —_ lakhs)Q-III Write True or False. D 2) 3) 4) 5) 6) The place value of the digit 5 in 26,59,360 is ten thousand ( ). 29,934 rounded to the nearest thousand is 30,934 ( nS XLIV represents 64 ( ). The Roman numeral for 40 isXXXX_ — ( ) V and L are never repeated ( ). The digit 9 in 4,93,608 is in ten thousands period ( ) Q-IV Answer the following: 1) Write the numeral for the following: a) Seven crore two hundred fourteen _ b) Three million seven thousand and nine c) 4,000,000 + 70,000 + 200+ 5 2) Put commas according to the Indian system and write the number in words and expanded form. 65700429 In words: 3) Put commas according to International system and write the number in words 7003246 In words: 4) Make the smallest and greatest 8 digit number using 7, 2, 6, 0, 9, 3 Smallest 5) Round the numbers. a) 135,296 to the nearest 10 b) 350,678 to the nearest 100 c) 735,219 to the nearest 10006) Give the place and place value of the circled digit. Numeral Place Place value a) 19,34,065 b) 6,472,105 7) Write the Roman numeral for: 87 = 46 = 19= 93 = 8) Solve a) XCII - LXIV = b) = XLVII + XXVI= 9) Write the Hindu-Arabic numeral for: c) LXXV_ a 6C _ &) DL Challenging questions 1) Ina6 digit number « Ones digit is 2 ¢ Tens digit is 3 times ones digit ¢ Hundreds digit is 5 less than tens digit ¢ Thousands digit is sum of ones tens and hundreds digits ¢ Ten thousands digit is half of tens digit ¢ Lakhs digit is difference of thousands and ten thousands digits Find the number? 2) The greatest and smallest 7 digit number formed using different digits: greatest == Smallest JeboseeieikWrite statements and solve the following problems: (Revision Notebook) 41) Ifthe total wages of 36 workers in factory is Rs. 1836 per day, what will be the wages of 44 suchworkers in the factory for one day? 2) There are 322 pens in 23 boxes. How many pens are there in 24 boxes 7 3) The price of 14 kg of wheat is Rs. 392.Find the cost of 20 kg of wheat? 4) An aero plane flies 4800 km in 4 hours, How far does it travel in 3 hours? 5) The price of a dozen exercise books is Rs. 72. Find the cost of 18 exercise books. 6) 18 buses carry 936 passengers, How many passengers will 25 buses carry? 7) The cost of 12 m of cloth is Rs.480. Find the cost of 8 m of cloth. 8) The weight of 25 bags of sugar is 625 kg. Find the weight of 100 bags of sugar. 9) The train fare from Chennai to Mumbai for 6 persons is Rs.1122. What is the fare for 10 persons? 10) 12 kg of potatoes cost Rs.84. How much will Mr. Bhaskar have to pay if he wants only 5 kg potatoes? 11) The rent of a house is Rs. 18,000 per year. What is the rent for 8 months? Which is a better buy? (Revision Notebook 1) 6 batteries for Rs.96 or 12 batteries for Rs. 180 2) 8 staplers for Rs.120 or 4 staplers for Rs. 80 3) 5 calculators for Rs.6000 or 6 calculators for Rs.7080 4) 18 pens for Rs.684 or 30 pens for Rs.960 FACTORS AND MULTIPLES AND DIVISIBILITY TESTS is a factor of every number. 2. The biggest greatest factor of a number is Factors: 3. is the only number which has only one factor. 4, A factor of a number is than or equal to a number. 8, Anumber has limited number of f Multiples. A number is a of itself. 2. Every number is 2 oft 3. Every multiple of a number is than or equal to the number itself 4. There is no limit to the you can get of a particular number.the blanks a) The first 5 multiples of 13 are b) Write all the factors of 60 c) Two numbers are said to be numbers if their common factor is 1 only. d) Numbers having more than two factors are called numbers. e) Prime numbers have only factors. D) is neither @ prime number nor a composite number. g) The least composite number is h) The only even prime number is i) Anumber to be divisible by 10 should have __att its one’s place. i) Anumber to be divisible by 5 should have__or ___attits one’s place Fill in the blanks: 1. The least prime number is All prime numbers are numbers except number 2. The only even prime number is___ . The least composite number is . The greatest one digit prime number is The greatest one digit composite number is. . The greatest prime number between 1 and 100 is 8 is neither a prime number nor a composite number. NOnrhon 9. Every even number is a composite number exceptnumber___ 10. The least odd primeis___. 11. There are one digit prime numbers. 12. There are prime numbers between 1 and 100 13. Numbers which have only 2 factors are called numbers.v Ed 14. 15. 16. 17. 18. 19. 20. 22 SECTION-A 845 x = 845 268 x0=[_ | The number to be multiplied is the The number remaining at the end of division is called the Ram earns Re | everyday for 21 goats. How much will he earn in one month. 21x 16= Fill in the blanks with proper sign. +,—, 666 [_]333 = 999 +. (for question no. 7 to 10) 625 5=125 9895 1764 = 8131 81 100 = 8100 - Volume of a cuboid is units, . Collection of information is called . The approximate value of 10.98 is — a 1 b) 9 o) 85 4d) 10 ‘The space occupied by a solid is its Volume of a cube of edge 2cm is ______ is the number of times a score appeared in the given data. 1 cubic cm is the space occupied by a cube with aside. 5 marbles pushes 10m of water in a beaker then 20 marbles will push ml of water. An clephant weighs about 5000kg. Find the weight of a blue whale which is 35 times heavier than the elephant. A plant is 2.8cm long on the 4" day of its germination. If It grows with the same speed what 1h would be its length on the 20" day? Divide 4590 by 9 and check the result by multiplication. Divide 2475 by 11 in two different ways.43. 45. 41. 2 Maharashtra Rs. 98, 3 Punjab Rs. 130 4 Uttar Pradesh Rs. 75 Read the table and answer the following questions. a) Surjeet Bagga is worker in Punjab. If he works for 7 weeks on the farm, how much will be earn? b) — Kamla is worker in Maharashtra. If she works for 3¥2 months on the farm, how much will she earn? cc) How much more will a farm worker in Chhattisgarh get than a worker in Uttar Pradesh after working for 6 days? a) A tank is full of 300 litre of water. How much water will be filled in 25 tanks? If 15 buckets can be filled with one tank of water, how many buckets in all can be filled with the water in 25 tanks? b) — Sohan drinks 12 glasses of water every day. i) How many glasses will he drink in one month? How many glasses will he drink in | -year? ii) If 95 people drink 12 glasses of water in a day, how much water will they drink in a year? Draw a cube A of 3cm edge. Draw another cube B having double the edge of A. Write the relation between their volumes. Draw a bar graph for the given data using an appropriate scale - Name of trees Number of trees Mango 45 Neem 2 Peepal 37 Guava 43 Ashoka 53 Banyan 13, Give a suitable title for your graph. . a) A book is 25cm long, 12.5em wide and 1.5cm thick. What is the volume of 7 such books piled one on the top of other? 40 children of class V were asked about the snack they liked the most. The result was as follows Samosa — 20, Pizza — 5 Dhokla - 10 Vada - 5 Represent the data in a circle graph. . A S rupee coin weighs 8g. What is the weight of a sack with 1600 coins? 49. A hall measures 16m by 12m. How many square tiles of side 4m will be required to pave its floor?b)52958 , 521589 , 521958 , 501098 , 592581, d) 7057127 , 7257070, 7251272 , 73127 , 7251237, Q.4 Write the smallest and the greatest number of 6- digits using 0, 2,5,9,7. Q.5 By using 0,4,9,3 only, write the smallest and the greatest number of 7 digits. Q.6 Write the following in words using International system- a) 203590159 b) 70169903 = c) 45644003 d) 5445923 Q.7 Write the following in figures- a) Three million two hundred thousand one hundred and six. b) Five million eight hundred and ten. c) One million seven hundred and nineteen. d) Nineteen million four thousand. e) Four million fifty thousand three hundred and fifty six.. Q.8 Compare , using < or > b)XC__LXXX —c) XXXIX_ XVII d) LVI __ XLII a) LXVI__XLU e) XIX__XXQ.1 Fill in the blanks a) Successor of 8585879 is b) Predecessor of 7900001 is ¢) Smallest number of 7 digit is — d) Greatest number of 6 digit is e) Write in figures — ninety lakh and twenty four f) Place value of 6 in 876396 is g) Short form of 500000+7000+70 is h) 1 Lakh=. hundreds. i) The digit in ten lakh place in the number 8723576 is j) These are numbers having 5 digit. Q.2 Arrange in ascending order — a) 2943526 , 2940506 , 2943506 , 2940566 , 2941566 b) 259712 , 49972 , 499725 , 49072 , 40721 c) 1159999 , 1159901 , 1159009 , 1150999 , 11553009 , Q.3 Arrange in descending order — a) 6602529 , 6602520 , 6622250 , 66225 ,602250,