Further subtraction problems

Using bar models to help with subtraction. Children choose the most appropriate method, mental or written.

Using bar models to help with word problems and subtraction. Children choose the most appropriate method, mental or written.

Solve subtraction word problems. They should be answered by using the standard written method.

Use bar models to help with subtraction.

Using bar models to help with multi-step problems.

More ways of checking answers, including thinking of an equivalent calculation and doing an approximate calculation.

Estimating 4-digit subtraction.

Follow the instructions carefully to reach the final answer.