An important part of Key Stage 1 maths is fluency with addition and subtraction of single digit numbers. A significant step towards this is to play around with all the possible combinations of numbers which add up to 10, so called number bonds. Possibilities are: 0+10, 1+9, 2+8, 3+7, 4+6, 5+5, 6+4, 7+3, 8+2, 9+1,... Continue Reading →