Question

(iii) After finding the dates, ask the friend whether the answer is corres
Materials
Procedure :
1. 1 +
(a) Choose four dates to form a box as shown below :
Friday
Wednesday Thursday
Saturday
(a)
Tuesday
Monday
3
4
2
1
2. A
10
11
9
8
7
17
18
(b) Find the sum of the chosen dates. Here, the sum of four chosen dates in 12.
(C) Now subtract 4 from 18 to get the first date, i.e., 14. To obtain other dates and
Sunday
6
13
20
27
4 to get 18.
16
3. If
15
19
4 14
24
25
t
23
22
26
21
31
30
29
28
4.
10
respectively to 14.
Therefore, desired dates are 14, 15, 21 and 22.
Remark : (i) This activity is to be done with the help of a friend.
(ii) Your friend would tell only the sum of the four dates.
Mathematical Explanation :​

Answer 1

Answer:

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