Class 7 Large Numbers Worksheet: Large Numbers Around Us (Ch 1)
Make a printable sheet on lakhs, crores, millions and billions for the first chapter of Ganita Prakash Part 1, with comma placement, number names, place value and population sums. The answer key comes at the end.
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1Class, subject and chapter
Class SubjectNCERT Ganita Prakash: Ch 6 Perimeter and Area
2Questions
Questions on each sheet Difficulty Different setsEach set has different questions, so children sitting together cannot copy.
3Header and answer key
Class 6 · 15 questions · answer key included
Every click on New questions makes a fresh sheet with its own answer key. A4 size; print at 100%. The questions are written for practice and are not taken from any textbook.
About Large Numbers Around Us
Large Numbers Around Us is the first chapter of the Class 7 Ganita Prakash Part 1 book. It deals with very big numbers of the kind we meet in newspapers and daily life, such as the population of a city or a state. Children read and write these numbers in the Indian system of lakhs and crores and in the international system of millions and billions, place commas correctly, find place values, and get a feel for how big a lakh or a crore really is.
This page sets the worksheet generator to that chapter, so if you were looking for a Large Numbers Around Us worksheet, you can print one in a minute. A sheet mixes:
- placing commas in a number, sometimes in the Indian system and sometimes in the international one;
- writing a number in figures from its name, and writing the name from the figures;
- rounding to the nearest thousand, ten thousand or lakh;
- conversion facts, such as how many thousand make a lakh, or how many lakh make a million;
- the place value of one digit in a big number;
- multiple choice: which number is 65 lakh, or which of four numbers is the largest;
- true or false statements about lakh, crore, million and billion;
- matching Indian amounts with international ones;
- word problems on the growth of a town's population and on saplings planted by a state, with numbers in lakhs.
How to make the sheet
- Class 7, Maths and Large numbers are already chosen.
- Pick a level by number size: Easy for 6 and 7 digit numbers, Medium (the default) for 7 and 8 digits, Hard for 8 and 9 digits.
- Choose 15 questions for one sitting. Number names take time to write, so 25 questions is better kept for a weekend.
- For a class test, select Sets A and B. Add your school name and download the PDF.
- Keep the answer key on. It writes every answer with commas in the system the question asks for.
Tips for parents and teachers
Make a place value chart once. Draw the Indian chart with columns from ones up to ten crores and stick it in the notebook. Many mistakes with commas and number names go away when children can see where each digit sits.
Counting zeros helps. A lakh has 5 zeros and a crore has 7. A million has 6 and a billion has 9. When a child is unsure whether 10 lakh is a million, ask them to count the zeros on both sides.
Watch the missing zero. When writing a number from words, children often drop a zero in the middle. Forty lakh three thousand five is 40,03,005, with four zeros inside it. Ask your child to check that the figures have the right number of digits before moving on.
Bring in real numbers. After a sheet, look up a real figure together, such as the population of your district, and read it aloud in lakhs. Practise twice a week with short sheets while the chapter is on. For other Class 7 chapters, see the arithmetic expressions worksheet or the Class 7 maths worksheet for mixed revision.
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Frequently asked questions
How many lakh make a million, and how many crore make a billion?
10 lakh make 1 million, and 1 crore is 10 million. 100 crore make 1 billion. The match the columns part of this sheet pairs Indian names with international ones, such as 25 lakh with 2.5 million, so children get used to moving between the two.
Where do the commas go in the Indian system?
Put the first comma after the last three digits from the right, then a comma after every two digits. So 98993726 becomes 9,89,93,726 in the Indian system, but 98,993,726 in the international system, where commas come after every three digits. The sheet asks for both, and the question always says which system to use.
How should my child write number names in words?
Read the number group by group in the Indian system: crore, lakh, thousand, then the rest. 41,55,211 is forty-one lakh fifty-five thousand two hundred eleven. The answer key writes names this way, with hyphens in numbers like forty-one; some teachers also accept 'and' before the last part, so follow your school's style.
How big are the numbers at each level?
Easy uses numbers with 6 or 7 digits, so mostly lakhs. Medium uses 7 or 8 digits, reaching into crores. Hard uses 8 or 9 digits, which suits children who are already confident with the Indian place value chart.