Methodical recommendation:
Theory
| Number | Name | Description |
|---|---|---|
| 1. | Identity for the square of numbers | Learn the general expression for the square of sum and difference of two numbers. |
| 2. | Proof of identity (a+b)(a-b) | To learn the proof of (a+b)(a-b) both algebraically and geometrically and to learn algebra visually through different geometrical approach. |
Practice Questions
| Number | Name | Type | Difficulty | Marks | Description |
|---|---|---|---|---|---|
| 1. | Use the identity and expand the expression | Other | easy | 2 m. | To expand the given expression using the identity. |
| 2. | TBQ - Find the values of the given square numbers | Other | easy | 3 m. | To find the values of the given square numbers using the identity. |
| 3. | Expand the expression | Other | easy | 2 m. | Use the suitable identity and stretch the expression. |
| 4. | TBQ - Expand using the identity | Other | medium | 4 m. | To expand the given expression using the identity. |
| 5. | TBQ - Evaluate the product | Other | medium | 3 m. | To compute the given product using the suitable identity. |
| 6. | TBQ - Expand the expression in two ways | Other | medium | 4 m. | To expand the given expression using distributive property and identity. |
| 7. | Analyse and answer | Other | medium | 4 m. | Analyse the statements and choose the appropriate answer. |
| 8. | TBQ - Square of sum of two numbers | Other | hard | 5 m. | To find the area of the square geometrically. |
| 9. | TBQ - Find the product using the identity | Other | hard | 5 m. | Use the identity (a+b)(a-b) and find the product. |
| 10. | CBQ - Express as directed | Other | hard | 4 m. | To express the given number as the difference of two squares. |