Page 15 - TP-Play_V-2.0_Book-8
P. 15
F. Solve the crossword by filling it with equivalent decimal numbers or binary numbers.
1
Down
1. (10101) 3
2
2 1 1
3. (1111011)
2
5
5. (361)
10
4 3 1
7. (6)
10
7
Across
6 1
2. (101)
10
8 1 1
4. (100101101)
2
6. (1100)
2
9
8. (165)
10
9. (1010001)
2
10 0
10. (1101010)
2
21 st
G. Competency-based/Application-based question: Century #Experiential Learning
Skills
Prashant noticed the given numbers while working, (256) and (2AF) . Which number system do they
8 16
belong to? How can he tell?
...........................................................................................................................................................................................................
21 st #Interdisciplinary
Century
Skills #Information Literacy
In the lab
Solve the following:
1. Convert (10111.011) into its decimal equivalent.
2
2. Subtract (1101) from (100110) .
2 2
3. Add the following binary numbers.
a. (1000) and (101) b. (1011) and (101) c. (1001) and (101)
2 2 2 2 2 2
d. (1111) and (1111) e. (11001) and (10101)
2 2 2 2
4. Convert the following decimal numbers into binary.
a. (19) b. (98) c. (75)
10 10 10
d. (37) e. (54)
10 10
Teacher's Corner
1. Talk to the students about the importance of number systems and their use in computers.
2. Do a detailed walk-through of the decimal and binary number systems and their different operations in a
mathematically rigorous manner.
3. Give a brief on the octal and hexadecimal number systems.
Number System 15

