At primary school level, a number bond is a simple addition sum which has become so familiar that a child can recognise it and complete it almost instantly.
Complimentary numbers to make 10...
Learning combinations of 2 numbers to make 10
Number Bonds are simply numbers added together to give a total. How to learn and memorise key complimentary numbers, in the early years, unlocks mental number agility. Teachers start with getting the bonds for 10 memorised.
Frogameleon Ltd make a great app for practise. Find it on the iTunes store.
Magnetic discs, found on Amazon, are useful to display numbers and patterns on a fridge or metal background.
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