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.