Types of algebraic expressions. Polynomials. Mathematics CBSE, Class 7: lessons, tests, tasks.

1.	Abridged multiplication formulas
2.	The square of the sum
3.	The square of the difference
4.	The difference of squares

1.	Check the correct answer using the formula Difficulty: easy	3
2.	Application of the formula of the difference of squares Difficulty: easy	3
3.	The square of the sum formula, polynomial squaring Difficulty: easy	3
4.	The difference of squares formula Difficulty: easy	3
5.	Formula of the square of the difference Difficulty: easy	3
6.	Abridged multiplication formulas (statements) Difficulty: easy	3
7.	Product of difference and sum (common fractions) Difficulty: medium	5
8.	Difference of the squares (powers) Difficulty: medium	5
9.	Difference of the squares (decimal fractions) Difficulty: medium	5
10.	Product of sum and difference (integers) Difficulty: medium	5
11.	Value of the expression Difficulty: medium	4
12.	The square of the sum (decimal fractions) Difficulty: medium	5
13.	The square of the difference (common fractions) Difficulty: medium	5
14.	The square of the sum (trinomial) Difficulty: medium	5
15.	The square of the difference (trinomial) Difficulty: medium	5
16.	The difference of cubes Difficulty: medium	5
17.	The square of the difference (multiplication by a number) Difficulty: medium	5
18.	The product of the sum of two numbers by the incomplete square of their difference Difficulty: hard	8
19.	Abridged multiplication formulas (decimal fractions) Difficulty: hard	8
20.	The difference of squares (integers) Difficulty: hard	8
21.	The product of sum and difference (numeric expression) Difficulty: hard	8

1.

Training on polynomials

Difficulty: medium

16

1.

Methodical recommendation

Types of algebraic expressions. Polynomials