Methodical recommendation:
Theory
| Number | Name | Description |
|---|---|---|
| 1. | Numbers Tell us Things and Picking Parity | This material tells us about numbers and games using numbers. |
| 2. | The Virahāṅka - Fibonacci Numbers | Learn about Fibonacci numbers in this material. |
| 3. | Magic Square | This material explores about magic square. |
| 4. | Digits in Disguise | Let us learn about ‘cryptarithms’ in this material. |
Practice Questions
| Number | Name | Type | Difficulty | Marks | Description |
|---|---|---|---|---|---|
| 1. | What is the middle number? | Other | easy | 2 m. | This exercise is to check your knowledge about magic square. |
| 2. | Find the third number | Other | easy | 2 m. | This exercise is to check your knowledge about grids. |
| 3. | Find the difference | Other | easy | 2 m. | This exercise is to check your knowledge about Fibonacci sequence. |
| 4. | Find the number in the centre of the square | Other | medium | 3 m. | This exercise is to check your knowledge about magic square. |
| 5. | What are the terms? | Other | medium | 3 m. | This exercise is to check your knowledge about Virahanka sequence. |
| 6. | Compute the parity of the difference | Other | medium | 3 m. | This exercise is to check your knowledge about Virahanka numbers. |
| 7. | Find the numbers in a row | Other | medium | 3 m. | This exercise is to check your knowledge about grids. |
| 8. | Sum of the squares of Fibonacci numbers | Other | medium | 3 m. | This exercise is to check your knowledge about Fibonacci numbers. |
| 9. | Find the value of P, Q and R | Other | medium | 3 m. | Try to solve the problem of cryptarithms. |
| 10. | Decide odd or even | Other | medium | 3 m. | This exercise is to check your knowledge about parity of the expression. |
| 11. | Find the number of pairs | Other | hard | 4 m. | This exercise is to check your knowledge about Virahanka sequence. |
| 12. | Fill the given grid | Other | hard | 2.5 m. | This exercise is to check your knowledge about filling grids. |