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Numeracy Workshop 16th November 2011
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Aims of the workshop... To understand how your child learns numeracy in school (focusing on the 4 calculations) To understand how you can help your child with numeracy at home.
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able to do by the end of Lower School?
What should my child be able to do by the end of Lower School? Number Shape, space and measure Handling data Problem solving
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A Typical Maths Lesson Mental Warm Up : 10 minutes E.g.: Bingo, game, counting stick, interactive activity Main Teaching : 20 minutes Activities and challenge : 20 – 25 minutes Plenary : minutes
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A Typical Mental Warm Up...
Bingo!
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Teaching Calculation - Remembering number facts
Lies at the heart of numeracy Mental method is emphasised - Remembering number facts - Using them to work out new facts - Understanding the relationship between ‘the 4 rules’ - Repertoire of mental strategies. Written methods follow on Application to real life e.g.: problem solving
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Support Resources 100 square Multiplication Square Number lines
Whiteboard & Pen Multi Link Blocks Base ten - HTU
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Know and use number bonds to 10 and 20
Addition Know and use number bonds to 10 and 20 2 + 8 = 10 = 100 = 1000 = 30 Use a number line to count, putting the biggest number first
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Addition 15 + 13 = Add to the next 10 and then add the extra
Add 2 numbers that bridge 10 Add to the next 10 and then add the extra Adding 2 2-digit numbers (without bridging) = + 10 + 3
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Add two 2 digit numbers (informal method)
Addition Add two 2 digit numbers (informal method) = Use a number line… Partition into tens and units
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Standard Written Method Expanded Written Method
Addition TU 48 +36 84 1 Standard Written Method = Expanded Written Method = T U + 8 10
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Know by heart subtraction facts for numbers up to 10 and 20
20 = 20 – 8 = 12 20 – 12 = 8 Subtract single digit numbers, bridging through the 10
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Begin to find the difference by counting up from the smallest number
Subtraction Begin to find the difference by counting up from the smallest number
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Subtraction
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Subtraction
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Subtraction
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Subtraction
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The Standard Written Method
Subtraction 43 – 27 = The Expanded Method The Standard Written Method T U 30 10+ 6 10 +
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Multiplication
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Understand multiplication as repeated addition
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Understand multiplication as an array
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Multiply multiples of 10 by units
Multiplication Use place value to support the multiplication of TU and U alongside the grid method Multiply multiples of 10 by units
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Understand division as sharing
15 5 = 3 15 SHARED between 5
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Understand division as sharing
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Use known multiplication facts to work out division facts
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Division Reinforce division as grouping through the use of arrays and as repeated subtraction
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Divide with remainders
Division Divide with remainders 15 4 = 15 4 = 3 r 3
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Division Division by chunking 87 7 = 12 r 3 87 (10x7) 70 17 14 3 (2 x 7)
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Shape, Space and Measure
Practical experience Everyday / real world examples Grasping the vocabulary Making links e.g.: between units
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Telling the Time Counting in 5s Understanding quarters and halves
‘0 clock, half past, quarter past, quarter 2. 5 minute intervals 1 minute intervals Constant links between analogue and digital. Reading timetables Practice!!!
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RM Maths Computer based tutoring program Personalised Maths support
Tailored to individual needs Gives teacher’s insights into problem areas Consolidate skills and build confidence Interactive and fun!
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