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16th November 2011 • 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. • Number • Shape, space and measure • Handling data • Problem solving Mental Warm Up : 10 minutes E.g.: Bingo, game, counting stick, interactive activity Main Teaching : 20 minutes Activities and challenge : 20 – 25 minutes Plenary : 5-10 minutes • 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 100 square Multiplication Number lines Square Multi Link Blocks Base ten - HTU Whiteboard & Pen Know and use number bonds to 10 and 20 2 + 8 = 10 20 + 80 = 100 200 + 800 = 1000 22 + 8 = 30 Use a number line to count, putting the biggest number first Add 2 numbers that bridge 10 Add to the next 10 and then add the extra Adding 2 2-digit numbers (without bridging) 15 + 13 = + 10 +3 Add two 2 digit numbers (informal method) 48 + 36 = Use a number line… Partition into tens and units Expanded Written Method Standard Written Method 48 + 36 = 48 + 36 = U TU 40 + 8 48 30 + 6 +36 T 80 + 4 10 84 1 Know by heart subtraction facts for numbers up to 10 and 20 20 = 12 + 8 20 – 8 = 12 20 – 12 = 8 Subtract single digit numbers, bridging through the 10 Begin to find the difference by counting up from the smallest number 43 – 27 = The Expanded Method T 30 U 10+ 40 + 3 - 20 + 7 10 + 6 The Standard Written Method Understand multiplication as repeated addition Understand multiplication as an array Multiply multiples of 10 by units Use place value to support the multiplication of TU and U alongside the grid method Understand division as sharing 15 5 = 3 15 SHARED between 5 Understand division as sharing Use known multiplication facts to work out division facts Reinforce division as grouping through the use of arrays and as repeated subtraction Divide with remainders 15 4 = 15 4 = 3 r 3 Division by chunking 87 7 = 12 r 3 87 - 70 (10x7) 17 - 14 (2 x 7) 3 • Practical experience • Everyday / real world examples • Grasping the vocabulary • Making links e.g.: between units • 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!!! • 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!