Students need to be fluent with all basic number facts, starting with addition to 20 and associated subtraction facts.

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The worksheets this week provide students with useful revision of facts that, for most of them, will have been learned in previous years. Use the worksheets as a handy check-up test as we start the new year, to remind students to “switch their school brains on”.

Extending These Facts:

Basic facts can always be extended by making the numbers larger, or smaller. This can be done by multiplying the numbers by a power of ten (10, 100, 1000; 0.1, 0.01, etc.), or by adding tens (10, 20, 30, etc.).

For example, taking the basic doubles +1 fact “6 + 5”, this fact could be extended in ways such as the following: