Revise quick mental addition

Revision of adding several small numbers mentally, using strategies learned earlier.

Related Resources

Preview of worksheet More mental addition

Adding two 3-digit numbers mentally. Often it is best to start with the hundreds, then the tens and finally the units; this is the opposite order than when using written methods.

7 pages

Add several numbers

Further practice with mental addition using a variety of strategies to answer them quickly and correctly.

5 pages

Add and subract multiples of 100

Without any written working out, answer these addition and subtraction of multiples of 100.

3 pages

Complete addition sentences

Completing addition sentences using mental methods.

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