Wanting to secure your children's knowledge of adding ones with number bonds to 20? This is the perfect worksheet for you. Allow your children to explore and develop their reasoning and problem-solving skills with this activity. We cover a range of different questions, with suitable pictorial representation, to support children's learning.

Use this activity following a set of varied fluency questions to stretch learning even further. Great for both independent learning and small group work too. We've provided an easy-to-follow answer sheet to help aid marking.