PDF chapter test

### Theory

 1 Addition of various digits 2 Division of rational numbers 3 Multiplication of digits 4 Subtraction of rational numbers

### Practice Questions

 1 Addition with same denominator Difficulty: easy 2 2 The sum of the negative fraction if the denominators are the same Difficulty: easy 3 3 Divide a fraction by integer Difficulty: easy 2 4 Multiplication of a rational number Difficulty: medium 4 5 The sum of negative mixed numbers Difficulty: medium 4 6 Multiplication of a mixed number Difficulty: medium 4 7 Divide and multiply Difficulty: medium 4 8 Multiplication of two fractions Difficulty: medium 4 9 Negative value added to real rational number Difficulty: medium 4 10 Multiplication of three rational numbers Difficulty: medium 4 11 Divide a mixed number by a positive or negative integer Difficulty: medium 4 12 Subtract the negative part from the fraction Difficulty: medium 2 13 Divide the mixed number Difficulty: medium 3 14 Divide an integer by a real fraction Difficulty: medium 2 15 Mixed number and integer (negative numbers) Difficulty: medium 4 16 Division and multiplication of rational numbers(text format) Difficulty: hard 5 17 Road, speed, time (rational numbers) Difficulty: hard 5 18 Calculation of the unknown additive from the sum Difficulty: hard 5 19 Rational expression (difference) Difficulty: hard 6 20 Rational expression substitution Difficulty: hard 7

### Tests

 1 Training Difficulty: easy 7

### Teacher manual

 1 Methodical recommendation