ACTIVITY Convert binary to denary digits a 128

ACTIVITY Convert binary to denary digits a) 128 64 32 16 8 4 2 1 1 0 0 1 0 128 64 32 16 8 4 2 1 0 0 1 128 64 32 16 8 4 2 1 0 0 0 1 0 b) 0 c) 1 0

ACTIVITY 1. Show your shoe size in binary 2. Show the date of the month you were born in binary

ACTIVITY 3. Show your age in binary 4. Show your height in cm in binary

ACTIVITY 5. Show the amount of siblings you have in binary 6. Show your house number in binary

ACTIVITY Working in pairs; • give your partner any number under 255 and see if they can convert it into binary.

ACTIVITY Extension: Is there any number that CAN’T be made?

ACTIVITY Use your table to convert these numbers to binary: 3 2 0 6 10 17 20 >>>EXT: 42 47 71 146 255

ACTIVITY Convert these binary numbers into denary a) 00011000 b) 00000101 c) 00010110 d) 01101011 e) 01111000 f) 10100100 g) 10100101 h) 10111100 i) 11010111 j) 11100110 k) 11111010

ACTIVITY De-code the following: On average, 1100 newborns will be given to the wrong parents daily. A giraffe can clean its ears with its 10101 inch tongue! A man named Charles Osborne had the hiccups for 1000101 years!

ACTIVITY De-code the following: 11001% of people in the world do not have access to a mobile phone. Gorillas sleep as much as 1110 hours per day. You can tell the sex of a horse by its teeth. Most males have 101000, females have 100100.

GAME

Symbol A B C D E F G H I J K L M N O P Q R S T U V W X Y Decimal 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 Binary 01000001 01000010 01000011 01000101 01000110 01000111 01001000 01001001010 01001011 01001100 01001101 01001110 01001111 01010000 01010001 01010010 01010011 01010100 01010110 01010111 01011000 01011001 From the ASCII table… Symbol a b c d e f g h i j k l m n o p q r s t u v w x y Decimal 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 Binary 01100001 01100010 01100011 01100100 01100101 01100111 01101000 01101001 01101010 01101011 01101100 01101101110 01101111 01110000 01110001 01110010 01110011 01110100 01110101 01110110 01111000 01111001

You can write your name in binary… H a n n a h 0100100001011011100110000101001000

Symbol Space ! " # $ % & ' ( ) * + , . / : ; < = > ? Decimal 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 58 59 60 61 62 63 Binary 00100000 00100001 00100011 00100100101 00100110 00100111 00101000 00101001 00101010 00101011 00101100 00101101 00101110 00101111 00111010 00111011 00111100 00111101 00111110 00111111 Symbol @ [ Decimal 64 91 92 Binary 01000000 01011011 01011100 ] ^ _ ` { ¦ } 93 94 95 96 123 124 125 01011101 01011110 01011111 01100000 01111011 01111100 01111101 ~ 126 01111110

Decode this message: 01001001011000100000011110010110 111101010010000001101100001 0110111000000111001001010110 000101100100000011101000 01101001011100100000011110010110 11110101001000000110100001 011101100101001000000110111 0010011000010110001101101100101 0110010000001100010011010010110 11100001011100100100001