Subtraction to 1,000

Subtraction to 1,000 crossing tens and hundreds

Subtraction to 1,000 crossing hundreds

Subtraction to 1,000 crossing tens

Subtraction to 1,000 crossing multiples of ten

Subtraction to 1,000 from a multiple of 100

Subtraction to 1,000 without crossing tens or hundreds

Subtraction to 1,000 with multiples of ten

Subtraction to 1,000 using standard algorithm with regrouping

Subtraction to 1,000 using standard algorithm

Subtraction to 1,000 with three or more numbers

Subtraction to 1,000 via compensation method

Subtraction to 1,000 via one more/one less

Subtraction to 1,000 via simplification

Subtraction to 1,000 splitting the subtrahend with regrouping

Subtraction to 1,000 from hundreds numbers

Determine difference to 1,000

Subtraction to 1,000 splitting the subtrahend

Subtracting numbers to a hundreds number

Subtraction through 100 regrouping tens

Subtraction through 100 regrouping hundreds as tens

Subtraction through 100 using tens

Subtraction to 1,000 with the zero-rule