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SAI International School
CLASS – VI
Mathematics
Chapter-1: Knowing our numbers - 2
Lesson Notes -2
SUBTOPIC:
1) Indian numeration system
N. B: 1. Commas are used to mark thousands, lakhs, crores.
2. The first comma comes after hundreds place (three digits from the right) and marks
thousands.
3. The second comma comes two digits later (five digits from the right). It comes after ten
thousands place and marks lakh.
4. The third comma comes after another two digits (seven digits from the right). It comes after
ten lakh place and marks crore.
Ex- a) 87595762 (NCERT –EX-1.1, Q-3)
Sol :
Number name: Eight crores seventy five lakhs ninety five thousands seven hundred sixty
two.
