M2.1.6 For the adult
Up to a million, and lakhs
What comes after 99 999? And what is a lakh?
What this chapter teaches
A million is a thousand thousands, a 1 with six zeros. One lakh is 100 000, so ten lakh is a million. Spaces and commas only help the eye. They do not change the number.
Three questions to ask
There is no one right wording. Listen for the idea.
- How can you tell that 1,00,000 and 100 000 are the same number?
- Why do you think big numbers have gaps or commas in them?
- How do you write four hundred twelve thousand, six hundred nine, and what does the 0 do?
After the chapter, the learner can
- Read and write numbers up to 1 000 000
- Say 100 000 as a hundred thousand or as one lakh
- Say 1 000 000 as one million or as ten lakh
What they copy into their notebook
100 000 is a hundred thousand, or one lakh. 1 000 000 is one million, or ten lakh. Spaces and commas only help the eye. The number stays the same.