Transcript Square - Nrich

Squares, Rectangles
and Sticks
Tandi Clausen-May
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1
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2
Some Number properties
Square numbers are square.
Multiples are rectangular.
Prime numbers can only make
sticks!
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3
Think about the numbers 1 to 10
1 2 3
4
5
6
7
8
9
10
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Now
let’s
sort
the
numbers.
Square
Multiples
Prime
numbers are
square
Square numbers
are
numbers
rectangular are sticks!
Rectangle numbers
Prime numbers
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5
Squares, Rectangles and Sticks
Take a handful of square tiles.
Can you make a square with all of your tiles?
Can you make a rectangle?
Can you make only a stick?
Is your number of tiles…
A square number?
A multiple?
A prime?
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