EVERYDAY SCIENCE

Detailed explanation-1: -It is a form of numeral used for counting. The general way of writing tally marks is as a group or set of five lines. The first four lines are drawn vertically and each of the fifth line runs diagonally over the previous four vertical lines, i.e. from the top of the first line to the bottom of the fourth line.

Detailed explanation-2: -Tallying is a way of recording data in groups of five. Recording frequencies in this way means totalling the number of tally marks made (figure 1).

Detailed explanation-3: -A tally chart is a simple way of recording data and counting the amount of something (frequency). To do this we collect the data, sort it into categories and tally the marks, to find the frequencies. We represent the frequency using the five-bar gate notation.

Detailed explanation-4: -A tally chart is a simple way of recording and counting frequencies. Each occurrence is shown by a tally mark and every fifth tally is drawn diagonally to make a “gate” of five. The tallies can then be counted to give the frequency.

Detailed explanation-5: -A common example of a tally chart is to count the number of people who have blue brown and green eyes. Again, each person is represented by a line and each fifth person is represented by a strike through the previous four lines. This is to make whatever’s being observed easier to count and record.