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E:\Working\Orange_Education\Math_Genius_4\Open_Files\Chap-11
\\September 30, 2025 12:00 PM Bharat Arora P-9 Reader _________________________ Date: ___________________74
Math Insight
Do you find any problem remembering the number Jan Feb Mar Apr May June July Aug Sep Oct Nov Dec
of days in a month?
Here is a trick.
Fold your hands as shown.
All the knuckles show the months with 31 days.
The others (except February) have 30 days.
Practice time 11g
1. Observe the given calendar and answer the following questions.
Su M T W Th F Sa Su M T W Th F Sa Su M T W Th F Sa Su M T W Th F Sa
1 2 3 4 1 30 31 1 1 2 3 4 5
5 6 7 8 9 10 11 2 3 4 5 6 7 8 2 3 4 5 6 7 8 6 7 8 9 10 11 12
12 13 14 15 16 17 18 9 10 11 12 13 14 15 9 10 11 12 13 14 15 13 14 15 16 17 18 19
19 20 21 22 23 24 25 16 17 18 19 20 21 22 16 17 18 19 20 21 22 20 21 22 23 24 25 26
26 27 28 29 30 31 23 24 25 26 27 28 23 24 25 26 27 28 29 27 28 29 30
Su M T W Th F Sa Su M T W Th F Sa Su M T W Th F Sa Su M T W Th F Sa
1 2 3 1 2 3 4 5 6 7 1 2 3 4 5 31 1 2
4 5 6 7 8 9 10 8 9 10 11 12 13 14 6 7 8 9 10 11 12 3 4 5 6 7 8 9
11 12 13 14 15 16 17 15 16 17 18 19 20 21 13 14 15 16 17 18 19 10 11 12 13 14 15 16
18 19 10 21 22 23 24 22 23 24 25 26 27 28 20 21 22 23 24 25 26 17 18 19 20 21 22 23
25 26 27 28 29 30 31 29 30 27 28 29 30 31 24 25 26 27 28 29 30
Su M T W Th F Sa Su M T W Th F Sa Su M T W Th F Sa Su M T W Th F Sa
1 2 3 4 5 6 1 2 3 4 30 1 1 2 3 4 5 6
7 8 9 10 11 12 13 5 6 7 8 9 10 11 2 3 4 5 6 7 8 7 8 9 10 11 12 13
14 15 16 17 18 19 20 12 13 14 15 16 17 18 9 10 11 12 13 14 15 14 15 16 17 18 19 20
21 22 23 24 25 26 27 19 20 21 22 23 24 25 16 17 18 19 20 21 22 21 22 23 24 25 26 27
28 29 30 26 27 28 29 30 31 23 24 25 26 27 28 29 28 29 30 31
(a) What is the date on the first Sunday in May?
(b) What is the date on the 3rd Monday in February?
(c) What is the date on the last Wednesday in July?
(d) What day of the week is three weeks after May 3?
(e) What is the day 5 days after December 7?
(f) What is the day one week before June 16?
2. Convert the following.
(a) 42 days into weeks (b) 105 days into weeks (c) 144 months into years
(d) 72 months into years (e) 12 weeks into months (f) 730 days into years
214 Mathematics-4
