Double Century takes students from 100 up to 200 (‘a double century’), starting with estimation of oranges, bangles and laddoos and the Story of Our Numbers showing how ancient India invented the 10-digit place-value system. Through bundles of 10 sticks, century boards, ginladi bead strings and jumping games, children read, write and locate numbers from 101 to 200 in hundreds, tens and ones.
What Class 3 Mathematics Chapter 3 Covers
Making a Century (100): Counting in groups of 10 and finding pairs of numbers that add up to 100
Numbers from 101 to 200: Representing 3-digit numbers up to 200 using 100-bundles, 10-bundles and loose sticks
Number Names and Place Value: Reading and writing numbers up to 200 in figures and words
Ginladi and Number Line: Locating numbers between 100 and 200 on a bead string and number line
Exercises in Chapter 3
- Let us Do & Let us Play (Pages 16–20): Estimate objects, make 100 in different ways and play the snake-and-number game up to 200.
- Let us Explore & Jumping Game (Pages 20–28): Complete the 101–200 number grid, represent numbers with Clap (100), Snap (10) and Pat (1), and jump on the number line.
Read Class 3 Mathematics Chapter 3 Online
More Chapters
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- Hindi medium: Class 3 Maths Chapter 3 PDF in Hindi (Ganit Mela)
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FAQ
Why is 200 called a double century?
One century equals 100, so two hundreds (100 + 100 = 200) make a double century.
How is 146 broken into hundreds, tens and ones?
146 = 1 hundred + 4 tens + 6 ones (100 + 40 + 6).