Instructions to teachers:
Draw a table with ten rows and ten columns on the blackboard. Fill up the boxes with fractions, decimals and percents as shown below. However, to start with, smaller tables i.e. 5 ´ 5 or 4 ´ 4 may be considered.
Group Activity:
Give the illustration shown below and ask the students find out as many combinations as possible
(That is, a fraction, a decimal, a percent) that total up to 100%.
For example, 0.15 + 60% + = 15% + 60% + 25% = 100%
| 68% |
1/2 |
60% |
1/20 |
1% |
0.9 |
0.04 |
13/20 |
1/7 |
25% |
| 55% |
16% |
3/25 |
0.02 |
1/9 |
0.15 |
1/8 |
24% |
0.44 |
0.75 |
| 1/6 |
0.06 |
1/4 |
29% |
0.037 |
1/3 |
19% |
17/50 |
1/5 |
1/8 |
| -- |
-- |
-- |
-- |
-- |
-- |
-- |
-- |
-- |
-- |
| -- |
-- |
-- |
-- |
-- |
-- |
-- |
-- |
-- |
-- |
| -- |
-- |
-- |
-- |
-- |
-- |
-- |
-- |
-- |
-- |
| -- |
-- |
-- |
-- |
-- |
-- |
-- |
-- |
-- |
-- |
| -- |
-- |
-- |
-- |
-- |
-- |
-- |
-- |
-- |
-- |
| -- |
-- |
-- |
-- |
-- |
-- |
-- |
-- |
-- |
-- |
| -- |
-- |
-- |
-- |
-- |
-- |
-- |
-- |
-- |
-- |
|
(Fill up the remaining seven rows and ten colomns in the same way.)
Individual activity:
Ask each child to write a 10 ´ 10 table in his / her book with different fractions, decimals and percents, and find out as many combinations as possible, which total to 100%. The one who does more number of such conversions is the winner. To make the activity a little competitive, set a time limit.
|
|
|
