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