Class 7 Maths · Part 1 Chapter 6 · CBSE / NCERT
Number Play
Puzzles with odd and even numbers. You’ll learn parity rules, build magic squares, count with the Virahanka–Fibonacci numbers, and solve digit puzzles.
10 short lessons · about 40 minutes in all
What you’ll learn
- 1What do the height-call numbers mean?4 min
- 2Even, odd and pairing4 min
- 3Adding many numbers: odd or even?4 min
- 4Is an expression always odd, always even, or both?4 min
- 5The 100th even and odd numbers4 min
- 6Row and column sums in a grid4 min
- 7Building a 3 by 3 magic square4 min
- 8Magic squares with any centre4 min
- 9Counting ways: the Virahanka numbers4 min
- 10Digits in disguise4 min
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What do the height-call numbers mean? · about 4 minutes
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More Class 7 Maths
The other 14 chapters.
PART 1 · CH 1Large Numbers Around Us12 lessonsPART 1 · CH 2Arithmetic Expressions10 lessonsPART 1 · CH 3A Peek Beyond the Point12 lessonsPART 1 · CH 4Expressions Using Letter-Numbers11 lessonsPART 1 · CH 5Parallel and Intersecting Lines10 lessonsPART 1 · CH 7A Tale of Three Intersecting Lines12 lessonsPART 1 · CH 8Working with Fractions10 lessonsPART 2 · CH 1Geometric Twins12 lessonsPART 2 · CH 2Operations with Integers12 lessonsPART 2 · CH 3Finding Common Ground10 lessonsPART 2 · CH 4Another Peek Beyond the Point10 lessonsPART 2 · CH 5Connecting the Dots…12 lessonsPART 2 · CH 6Constructions and Tilings11 lessonsPART 2 · CH 7Finding the Unknown11 lessons
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