Once your pupils have got to grips with the varied fluency and reasoning and problem solving aspects of multiplying by 10, 100 and 1,000, push them a little further with this Year 5 Multiply by 10, 100 and 1,000 - Decimals Discussion Problem!
It is a little more challenging, and is designed to encourage discussion amongst students and to promote mathematical language. So put your pupils in pairs or small groups and let them crack on, and become even more confident with multiplying decimals.