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Showing posts from May, 2012

### MENTAL MATH CLASS 2 PART1

In this video mental math problems and activity are taught. The video lecture is in Hindi. Therefore English speaking boys are requested to avoid this video as they will not get interest. The problems are discussed in very simple way and very much understandable. Smaller and bigger number among 157 and 175. We can write in words.
157 is smaller than 175 and mathematically
157 < 175

### CALENDAR QUESTION answer CLASS 2 | LECTURE IN HINDI

Q1. How many days are in July?
Q2: Write the date of the first Monday of July 2012?
Q3.Write the date of the first Saturday of July 2012?
Q4: How many school days are in July 2012?
Q5: How many week ends are there in July?
Q6: What is the date of first week end of July 2012?

The background lecture in Hindi language. It is about teaching calender to class 2 or Stad. 2 students

### Ratio Mathematics ICSE Tutorial Class 7

There are four videos of Ratio class 7. Few sums have also been explained with very easy steps. If there are any doubts then comment below. We will try to clear those doubts.

1. Understanding Ratio:

2. Comparing Ratio Basic and Shortcut method:

3. Compound Ratio , continued Ratio Dividing a number in a given Ratio:

4. Solution of few problem of ratio:
These sums of Ratio class 7 have been discussed in this video:
1. write in simplest form
72:108, 1/6:1/2,
15cm to 4m.
2. Population of a village is 32400. The ratio of literate
to illiterate person in the village is 11:7. Find the actual number of literate person and illiterate person. .
3. If a, b and c are three numbers such that a:b=4:9 and b:c=27:35. Find a:c
4. In what ratio should we increase 650 to obtain 1000.