Lesson 3: Denary to Binary Conversion.

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Presentation transcript:

Lesson 3: Denary to Binary Conversion. DATA REPRESENTATION Lesson 3: Denary to Binary Conversion. YEAR 7 @ MIDHURST ROTHER COLLEGE

BRAIN WARMING 8 4 2 1 Only using the above numbers once, can you add them up to make the following numbers? 5 7 11 14 EXTENSION: Is there more than one way? What is the highest number you can make?

DATA REPRESENTATION In this lesson you will... LEARN how to convert numbers into binary. So that you can… WRITE numbers in 4-bit or 8-bit binary.

DISCUSS: BINARY Can you think of an easy system to follow in order to convert denary numbers into binary? How would you write 9 in binary?

DOES IT FIT? The simplest way to convert from denary to binary, is to ask yourself does it fit? And if so, what is left over? DENARY 8 4 2 1 13 5 6

CONVERT DENARY TO BINARY In your OneNote, convert these numbers into 8-bit binary numbers. 7 6) 99 15 7) 121 23 8) 175 41 9) 231 67 10) 252 128 64 32 16 8 4 2 1 NEED HELP? Ask the teacher or partner for further assistance. You can use a calculator. EXTENSION: Double check your binary answers by converting them back to denary.

BINARY PROFILE In your OneNote, draw a picture of yourself and add the following data about yourself in binary: Age Favourite Number How many siblings you have Month of Birth Day of Birth NEED HELP? Ask the teacher or partner for further assistance. You can use a calculator. EXTENSION: What else about you could you represent in binary?

PLENARY: CLASS DISCUSS Make sure you have completed both tasks in your OneNote. Hands up if you can give examples of numbers (data) that would need to be converted into binary.