Further addition problems

Put the correct digits in to make the addition calculations correct.

Find the missing numbers in addition sentences.

Missing digits in addition sentences; harder than they look.

Find missing numbers: mostly in the thousands/hundreds.

More missing digits in addition sentences.

Word problems.with bar models to help. Children should use the method they think most appropriate, mental or written.

Knowing one fact should mean that you know three other facts. Spotting patterns like these can save a lot of work!

Rounding to the nearest hundred to find approximate answers.