Addition and Subtraction number bonds to 10, worksheet / test.
Achieving fluency for mastery- pupils who regularly perform this activity against the clock not only increase their attainment level but also increase their ability to rapidly recall the number bonds to 10 facts, for addition and subtraction. This is a great tool for implementing Rosenshines principle of repetition with spaced, interleaved, retrieval practice.
I model how to place the larger digit in their head and to count on. Initially they will need support and exposure to the facts in approx 30 minutes per session. Over the weeks you will start to see more questions answered at a greater speed, as well as, some retrieval from memory. the longer it is in place the more retrieval occurs. I have seen pupils who started with less than 10 in 20 minutes, end up with 100 in 4 minutes.
For subtraction I teach the pupils how to efficiently re-use their addition bonds to calculate the difference. This reduces the need to learn so many facts.
You could also try our times tables multiplication questions / division worksheet for those looking for mastery levels.
Stages of reaching fluency
1) Using concrete objects as 1:1 representations - cubes, counters, fingers.
2) Counting on from the larger addend (commutative law of addition) using fingers. Pupils begin to recall facts that involve adding or subtracting 1 or 0 to/from a number within 10.
3) Short-term memory - answers retrieved from recent exposure, usually involves delayed responses. Pupils now begin to recall other facts, typically bonds to 10.
4) Long-term memory - answers are now retrieved over a longer period of time but often still have delays in locating the facts. Pupils begin to recall other facts from memory.
5) Automation - all answers are now retrieved instantly without any delays or calculations. Pupils now have an empty working-memory when performing reasoning tasks.
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