There are only 10 people in the world. Those who understand binary and those

you don’t.

Tasks starter

• What do you notice about the number of dots on the cards? • How many dots would the next card have if we carried on

to the left?• We can use these cards to make numbers by turning some

of them face down and adding up the dots that are showing• Can you make 2?• Can you make 8?• Now try counting from zero onwards.• Make 01001. What number is this in decimal? • What would 17 be in binary?

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