D10 I can divide HTU by: 2, 3, 4 or 5 and find remainders. D11 I can divide TU ÷ U with remainders using a vertical method. D12 I can divide 4 digit numbers by: 10, 100 or 1000. D13 I can divide HTU ÷ U. D14 I can divide HTU ÷ TU. D15 I can divide decimal numbers by 10, 100 or 1000.