1. Mental Maths Parent Workshop May 2015

2. How many of these can you answer using Mental Maths?  6 + 1 =  34 + 40 =  45 + 56 =  1/3 + 1/6 =  9 + 10 =  23 + 34 =  453 + 387 =  1.49 + 2.76 = By the end of year 6, children should be able to complete all questions mentally. 7 74 101 3/6 19 57 840 4.25

3. How many times a day do you use mental Maths?  I have to leave in an hour. Do I have time to put in a load of wash?  I have a quarter tank of petrol. I am driving to Abu Dhabi. Do I need to fill up?  I have 35 Dirhams on me. Do I have enough cash for my shop?

4. Agenda  A brief introduction to the new curriculum  Expectations by the end of Key Stage 1  The importance of the calculation policy in developing mental Maths strategies  Teaching mental Maths strategies  How can you support at home?

5. 3 Aims of the New NC

6. Aims of the New NC The aim is for children to do calculations in their heads and, if the numbers are too large, to use a way of writing them down that helps their thinking. Can I solve it in my head? Can I solve it using jottings? Can I solve it using written methods?

9. Know by heart facts by end of KS1  Find 1 more or one less than any 2 digit number  Count in 2’s, 5’s 10’s  Number bonds to 10 and 20  2, 5, 10 x tables and corresponding division facts  Doubles and halves to 20  Addition facts to 20 and corresponding subtraction facts  Add and take away multiples of 10 from any 2 digit number These are the building blocks for KS2.

10. Number bonds to 10 and 20  56 + ___ = 60  54 + ___ = 100  100 – 78 =

11. 2, 5, 10 x tables and corresponding division facts  29 x 1000 =  22 x 55 = ( 20 x 50 = and 2 x 5 = )  68 ÷ 2 =

12. Expectations by end of KS2  All times tables facts and corresponding facts up to 12  Multiply and divide number by 10, 100 and 100 (including decimals)  Number bonds to 60  Number bonds to 100  Double and halve 2 and 3 digit numbers  Know all prime numbers to 30  Find fractions of numbers  Round numbers including up to 2 decimal places  Use equivalent fractions, decimals and percentages to compare proportions

17. Hooks

19. Building on what they already know  If I know double 6, I know 6 + 7 =  If I can find 1 more or 1 less than a number, I can find 10 more or 10 less than a number  If I know 3 x 5, I know 30 x 50

20. Mental Maths SAT’s Questions – Year 6  What is 5 squared?  Skates cost fifteen pounds a pair. If you buy four pairs, how much change will you get from a hundred pounds?  What number must be multiplied by six to give two hundred and forty?  Twenty per cent of a class is six. How many children are in the class?  Multiply eight point four by one thousand.

21. How can you support at home?  Making Maths purposeful  At the shop – find change, round, estimate costs  Games like snap or bingo  Time – If I put the casserole in at 11:15 and it takes 45 minutes to cook, what time will it be finished at?  I have 150 ml of milk but need 200 ml. How many more ml do I need for the recipe?  Email aguilmette@vhprimary.comaguilmette@vhprimary.com

22. Useful Websites http://www.topmarks.co.uk/maths-games/7-11-years/mental-maths http://www.bbc.co.uk/bitesize/ks2/maths/number/mental_maths/play/ http://www.mathblaster.com/teachers/math-practice/mental-math http://www.mathplayground.com/quick_calculate.html http://www.compare4kids.co.uk/mental-maths.php

23. Questions ???