Next steps 3 Did you know? Now you know why numbers are odd or even, if you remember whether numbers 0-10 are odd or even you will be able to tell if any number in the whole world is odd or even! ODD 1 3 5 7 9 EVEN 0 2 4 6 8 Just look at the last digit, if it is odd then the whole number is odd. If it is even, the whole number is even! 233 ODD 2952 EVEN Now try these. Are they odd or even? Put an O for odd and E for even: a) 17 b) 29 c) 32 d) 11 e) 77 f) 49 g) 52 h) 98 i) 67 j) 88 k) 122 l) 732 m) 497 n) 992 o) 429