Subtract 11 or 21
practice at subtracting 11 or 21 from 2-digit numbers 'in your head'.
5 pages
Subtract 11 or 21
practice at subtracting 11 or 21 from 2-digit numbers 'in your head'.
practice at subtracting 11 or 21 from 2-digit numbers 'in your head'.
practice at subtracting 11 or 21 from 2-digit numbers 'in your head'.