Looking for more ways to help your children practise adding 1-digit numbers to three digits where the calculation crosses the ten? This Year 3 Add 1s Across a 10 Homework resource is perfect for you! With mixed questions that are differentiated three ways, this worksheet is great for everybody in your class. To help you out with your workload, we have included an answer page that will cut your marking time in half.

Feel free to use this resource as homework, in class, or as an intervention. We're sure you and your class will love this activity, no matter how you choose to use it.