Number bonds to ten and twenty are an important thing for infants to understand and learn. Practise, practise and more practise is the key to ensuring that children are able to remember them so that the answers just come instinctively, but worksheets and endless sums are boring and offputting.
We've recently discovered the wonders of Elmer and I thought it would be great to create our own colourful elephant using a key and sums with answers between 10 and 20.