UPSKILL MATH PLUS

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Methodical recommendation:

Theory

Number Name Description
1. Introduction to statistics Let us learn about the concept of statistics.
2. Collection of data Let us learn about the concept of collection of data in statistics.
3. Getting the facts sorted out Let us learn how to arrange the data.
4. Measures of central tendency Let us learn the concept of measures of central tendency.
5. Arithmetic mean - Raw data Let us learn about the concept of arithmetic mean and assumed mean.
6. Arithmetic mean - ungrouped frequency distribution Let us learn the concept of finding the arithmetic mean of ungrouped frequency distribution.
7. Arithmetic mean - grouped frequency distribution Let us learn the concept of finding arithmetic mean of grouped frequency distribution.
8. Direct method Let us learn how to find the mean of grouped frequency distribution using direct method.
9. Assumed mean method Let us learn the concept of finding the mean using assumed mean method of grouped frequency distribution.
10. Step deviation method Let us learn how to find the mean of grouped frequency distribution using step deviaton method.
11. A special property of arithmetic mean Let us learn the special property of the arithmetic mean.
12. Mindmap Learn the mindmap of the concept of measures of central tendency and arithmetic mean.

Textbook Questions

Number Name Type Difficulty Marks Description
1. Multiple choice questions I Other easy 3 m. Select the suitable choice for the given questions.
2. Multiple choice questions II Other easy 2 m. Select the suitable choice for the given questions.
3. Multiple choice questions III Other easy 3 m. Select the suitable choice for the given questions.
4. Two mark example problems I Other easy 4 m. Check your understanding skills in the concept of special property of arithmetic mean.
5. Two mark example problems II Other easy 4 m. Practice a problem to find the mean of the given values.
6. Two mark exercise problems I Other easy 4 m. Check your understanding skills in the concept of arithmetic mean.
7. Two mark exercise problems II Other easy 4 m. Try to answer the given questions.
8. Five mark example problems I Other medium 5 m. Try to answer the given questions.
9. Five mark example problems II Other hard 10 m. Try to find the mean age of the given data.
10. Five mark exercise problems I Other hard 10 m. Try to find the mean using direct method.
11. Five mark exercise problems II Other hard 10 m. Practice a problem to find the mean using assumed mean method and step deviation method.

Practice Questions

Number Name Type Difficulty Marks Description
1. Calculate the mean Other easy 2 m. Practice a problem to find the mean of the given set of data.
2. Determine the height Other easy 2 m. Practice a problem to determine the height of a student using the mean.
3. Find the sum of deviations Other easy 2 m. Try to solve the problem by applying the property of arithmetic mean.
4. Calculate the mean if each value is decreased Other easy 2 m. Practice a problem to find the mean by applying the property of arithmetic mean.
5. Determine the correct average Other medium 2 m. Try to find the correct mean of the given data.
6. Determine the mean Other medium 5 m. Check your understanding skills in the concept of finding the mean of ungrouped frequency distribution.
7. Find the mean using direct method Other medium 5 m. Try to find the mean of the grouped frequency distribution using direct method.
8. Calculate the mean using assumed mean method Other medium 5 m. Try to find the mean of the ungrouped frequency distribution using assumed mean method.
9. Find the value of the variable "a" Other medium 5 m. Practice a problem to find the value of the variable "a".
10. Determine mean using assumed mean method Other hard 5 m. Check your understanding skills in the concept of finding mean using assumed mean method.
11. Calculate the mean using step deviation method Other hard 5 m. Check your understanding skills in the concept of finding mean using step deviation method.
12. Find the new arithmetic mean Other hard 5 m. Check your understanding skills in the concept of finding mean using the properties of arithmetic mean.

Key Questions for School Exam Preparation

Number Name Type Difficulty Marks Description
1. Find the discarded number Other easy 1 m. Select the suitable choice for the given question.
2. Determine the correct mean Other easy 2 m. Practice a problem to find the mean of the given values.

Questions for Teacher Use

Number Name Type Difficulty Marks Description
1. Choose the correct answer Other easy 3 m. Select the suitable choice for the given questions.
2. Determine the mean and verify it Other medium 5 m. Check your understanding skills in the concept of finding mean using ungrouped data.
3. Find the mean and verify it by different methods of solving grouped data Other hard 5 m. Check your understanding skills in the concept of finding the mean using grouped frequency distribution table.
4. The arithmetic mean Other easy 1 m. Practice a problem to find the mean of the given values.
5. The sum of deviations Other easy 1 m. Check your understanding skills in the concept of special property of arithmetic mean.
6. Mean of natural numbers Other easy 2 m. Select the suitable choice for the given questions.

Periodic assessments

Number Name Recomended time: Difficulty Marks Description
1. Homework I 00:15:00 easy 9 m.
2. Homework II 00:15:00 easy 9 m.
3. Homework III 00:20:00 medium 14 m.
4. Homework IV 00:25:00 medium 18 m.
5. Revision test I 00:30:00 hard 20 m.
6. Revision test II 00:30:00 hard 20 m.
7. Revision test III 00:40:00 hard 30 m.
8. Periodic Assessment - 3 00:10:00 medium 6 m. PA3