### Theory

 1 Recalling ratio and proportion 2 Recalling proportion and its variation 3 Direct proportion 4 Direct proportions using unitary method 5 Inverse Proportion 6 Inverse proportion using unitary method

### Exercises

 1 Choose a correct ratio for the given shapes Difficulty: easy 1 2 Choose the correct answer Difficulty: easy 3 3 Solve the unknown value Difficulty: easy 1 4 Find out the number of seed packets needed Difficulty: medium 3 5 Calculate the number of days that mens can harvest the same field Difficulty: medium 3 6 Calculate the number of hours worked Difficulty: medium 3 7 Predict the total number of quizzes Difficulty: medium 3 8 Find out time taken to empty the tank Difficulty: medium 4 9 Calculate the baking hours Difficulty: medium 4 10 Determine the days needed to grind the jam Difficulty: medium 1 11 Calculate the number of weeks Difficulty: medium 1 12 Determine the expected number of days to complete the project Difficulty: hard 5 13 Calculate the number of students Difficulty: hard 5 14 Calculate the value of 'A' Difficulty: hard 5 15 Calculate how many persons will engineer require Difficulty: hard 4 16 Find out required liters of petrol Difficulty: hard 5

### Tests

 1 Training test Difficulty: medium 5

### Teacher manuals

 1 Methodical recommendation