🗊Презентация Maths puzzles

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Maths puzzles, слайд №1Maths puzzles, слайд №2Maths puzzles, слайд №3

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Слайды и текст этой презентации


Слайд 1





Maths puzzles
Описание слайда:
Maths puzzles

Слайд 2





Maths puzzles
Think of a number less than 10
Double the number
Add 8 to the result
Divide the result by 2
Subtract the original number
Convert the answer into a letter of the alphabet A=1, B=2, C=3, D=4, E =5 etc
Think of a country which starts with the first letter
Think of the name of an animal whose name starts with the second letter of this country
Think of the colour of this animal
There are no grey elephants in Denmark
Or perhaps, you chose a grey, ostrich from the Dominican Republic
Описание слайда:
Maths puzzles Think of a number less than 10 Double the number Add 8 to the result Divide the result by 2 Subtract the original number Convert the answer into a letter of the alphabet A=1, B=2, C=3, D=4, E =5 etc Think of a country which starts with the first letter Think of the name of an animal whose name starts with the second letter of this country Think of the colour of this animal There are no grey elephants in Denmark Or perhaps, you chose a grey, ostrich from the Dominican Republic

Слайд 3





Maths puzzles
Pick a 3 digit number where the first and last digits differ by 2 or more 
	e.g. 724
Consider the reverse by writing it backwards e.g. 427
Subtract the smaller of these two numbers from the larger
Add the result to its own reverse
Is your answer 1089?
Описание слайда:
Maths puzzles Pick a 3 digit number where the first and last digits differ by 2 or more e.g. 724 Consider the reverse by writing it backwards e.g. 427 Subtract the smaller of these two numbers from the larger Add the result to its own reverse Is your answer 1089?



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