Free Odd and Even Numbers to 20 Poster Help Year 1 and KS1 children see why a number is odd or even with a clear A4 printable showing pairs, patterns and numbers to 20. Download Printable Print Printable Odd and even numbers to 20 poster An A4 maths poster sorting numbers zero to twenty into even and odd columns and showing that even quantities pair up while odd quantities leave one unpaired. ODD AND EVEN Can every dot find a partner? EVEN All dots make pairs ODD One dot is left over 4 5 0 2 4 6 8 10 12 14 16 18 20 1 3 5 7 9 11 13 15 17 19 Ends in 0, 2, 4, 6 or 8 Ends in 1, 3, 5, 7 or 9 PAIR IT • SHARE IT • IS ONE LEFT OVER? prydain.co.uk Printing tip: Choose A4 portrait and 100% or “actual size”. The print button sends only the poste...