- Effective Maths

# + and – U2, NOW ONLINE

**Addition and subtraction (Unit 2) is now online and has been updated for 2018!**

Brand new lessons have been added as follows:

Y1 (finding the difference)

Y3 (missing digits in the column method)

Y4 (missing digits in the column method and a lesson on mental calculation strategies)

Y5 (lesson on adding lots of numbers – the featured video with this post)

Y6 (2 new lessons on mental calculation and problem solving)

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