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Helping Our Children To Achieve Welcome
Maths is FUN!
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How Maths teaching has changed
To give children the chance to explore ways of finding an answer, and being able to explain why it works To give them the key skills needed to solve real world problems and examples To provide opportunities to apply these skills in practical situations
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Developing understanding
Prompting thinking & questioning Providing opportunities to manipulate, experience and see (use of resources) Develop thinking through investigation Reasoning and making connections Engaging in talk Enabling learning through drawing attention to. Encouraging children to make links and generalise Maths is about spotting patterns, making links and understanding how pieces of knowledge fit together. NOT purely memorising facts and procedures by rote.
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Changing attitudes towards Maths . . .
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Right then, time for a warm up!
Which is the odd one out, and why? No hands up! 1 min talk to a neighbour! Everyone has generalised!
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FS and KS1 Mental Arithmetic
The emphasis in KS1 is on mental arithmetic BUT based on practical activities. Useful things to practise at home include: Doubles and halves Bonds of 10, 20 and 100 Adding 2 small numbers Adding or subtracting Using different vocabulary
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KS2 Mental Maths H T U Times tables and division facts Number bonds up to 100 Doubling and Halving Rounding and estimating x 10, x 100 (DON’T ADD A 0!)
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STRONG MENTAL CALCULATION STRATEGIES
Quick recall of Number bonds to 20, 50 and 100. Times tables knowledge 2x, 5x, 10x 3x, 4x, 6x, 8x, 9x 7x Important children need to have quick recall of facts but based on thorough understanding built on through practical manipulation and experiences- not simply memorising . Need to help them make links between knowledge.
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When ready, the children will move on to more formal written methods.
Moving to written procedures too fast can mean: Children add/subtract the digits in a column by rote, without understanding what their value is, or what a sensible answer is likely to be Children who rely on written procedures can be more likely to look for a calculator when stuck, not a mental strategy Children can hide their understanding of mathematical concepts behind having a good memory for procedure.
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Written Methods What? Why? When? Where? How?
for larger numbers, or too many numbers to deal with mentally What? Why? When? Where? How? We will attempt to touch on as many written methods as we can in the time we have. Please stay at the end and ask if you are unsure or have any further questions.
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resources to support understanding
On your table for you to use and experience. We teach children methods, but support with multiple images and resources so children can see how maths works. Some resources work better for different calculations and its important that the children realise this.
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Addition Counting on using objects
Counting on using number line / tracks Counting on using a hundred square Blank number line (bridging) Partitioning Column addition From FS begin to count… lots of practical experience . Just being able to recite up to 100 doesn’t mean they can count or understand number. Important they know what 10 objects look like, what 20 objects etc. Link the symbols of numbers to the objects – 1 more / add 2
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48 + 35 Addition Plus Total All together Sum More than
Language very important – know that all these words are represented by the symbol + More than
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ADDITION: Number tracks / lines
Board Games important to help count on / back. Use of numbered tracks or numbered line – progress to blank no lines children draw their self on wowo boards
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Addition : Number lines
Important that the children have secure knowledge of number and place value to be able to partition numbers Use of beadstring can also aid this as colour coded in tens.
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ADDITION : partitioning
= = = 81 or = = = 81 Use of dienes blocks can support this.
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Stage 2: Partitioning continued
Partitioned numbers are then written under one another. This mirrors the column method and also links mental methods.
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ADDITION : Vertical : column addition
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Try these out on your table using the resources
2 more than 9 5 + 8 = Total of 25 and 41 74 plus 27 =
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Subtraction Subtract Minus Less than Take away Fewer than
Counting back using objects Counting back using a number line Counting back using a hundred square Blank number line Partitioning Subtract Minus Less than Take away Fewer than
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SUBTRACTION: Number lines
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SUBTRACTION: 73 – 26 =
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SUBTRACTION COUNTING BACK 85 - 37 = - 7 -30 48 55 85
= Or finding the difference
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Counting on 354 – 188 =
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End of year 4
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Examples : try these! Find 2 less than 7 What is 27 – 13? 62 – 45 = Take away 19 from 96 72 – 46 What’s the difference between 87 and 105? How would you tackle this number sentence? Can you explain your method?
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Groups of Multiply Times Lots of
Multiplication Doubles – objects / beadstring Counting in steps of 2,5,10 Counting objects Pictures Number lines Times tables Arrays Grid method Groups of Multiply Times Lots of
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Arrays and numberline Children represent by drawings, counters, cubes
and begin to link to number line as repeated addition
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8 x 23 = 8 x x x 3 = = 184 This develops into the grid method. 8 x 23 = X 10 3 8 80 24 =184
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leading to X 20 3 8 160 24 = 184
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Multiplication Double 7 5 times 6 3 lots of 4 23 x 7= 13 x 24= Lots of
Product Double 7 5 times 6 3 lots of 4 23 x 7= 13 x 24= Times Multiply Repeated Addition Array
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share Group divide Division Halving Sorting hoops and objects Pictures
Related times tables facts share Group divide
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There is no need to divide! Use your tables knowledge!
Division ‘84 sweets shared equally between 6 children’ How many 6’s go into 84? 84 divided by 6? 84 shared by 6? There is no need to divide! Use your tables knowledge!
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Examples
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Use of ‘I know’ boxes I know: 10 x 7 = 70 SO 20 X 7 = 140
(I HAVE 56 LEFT) 8 LOTS OF 7=56 196 7 = 28 ( AS I KNOW 28 X 7 = 196)
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Helping at home …And Some Don’ts! Some Dos…
Don't expect them to understand after you've explained it once It is normal for a child to 'get it' one day, and then in a different context not know how to find an answer Don't tell them you are hopeless at maths You may remember maths as being hard, but you were probably not hopeless, and even if you were, that implies to your child, “I was hopeless at maths, and I'm a successful adult, therefore maths is not important” Don't get into an argument over homework It will be something that your child has covered in class, and if they really can't do it without a lot of tears and frustration, leave it and LET US KNOW! Ideas taken from Maths for Mums and Dads Eastaway, R. and Askew, M. (2010) Play (maths) with your child There are opportunities for impromptu learning in games with real people that you can't get from a DS or Xbox Let your child win or be better than you Otherwise all they learn is that you are better at maths than them Recognise that there is more than one way of doing calculations You may have learned one method, but children are actively encouraged to seek out alternative methods in school and choose one which works for them, no matter how long winded Be an actor Get excited about maths and your child will get excited too
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Helping at home KS1/ FS Play board games Cook – measuring and weighing
Look at numbers in the environment e.g. telephone keys, number plates, door numbers, book pages, sleeps until Christmas! Money Comparing heights Birthdays, Months of the year, Days of the week Time
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Props around the house KS2
A prominent clock- digital and analogue is even better. Place it somewhere where you can talk about the time each day. A traditional wall calendar-Calendars help with counting days, spotting number patterns and Board games that involve dice or spinners-helps with counting and the idea of chance A pack of playing cards- Card games can be adapted in many ways to learn about number bonds, chance, adding and subtracting A calculator- A basic calculator will help with maths homework when required, there are also many calculator games you can play, too. Measuring Jug-Your child will use them in school, but seeing them used in real life is invaluable. Also useful for discussing converting from metric to imperial Dried beans, Macaroni or Smarties- for counting and estimating A tape measure and a ruler- Let your child help when measuring up for furniture, curtains etc A large bar of chocolate (one divided into chunks)- a great motivator for fractions work Fridge magnets with numbers on- can be used for a little practice of written methods Indoor/outdoor Thermometer- especially useful in winter for teaching negative numbers when the temperature drops below freezing Unusual dice- not all dice have faces 1-6, hexagonal dice, coloured dice, dice from board games all make talking about chance a little more interesting A dartboard with velcro darts- Helps with doubling, trebling, adding and subtracting. Ideas taken from Maths for Mums and Dads Eastaway, R. and Askew, M. (2010)
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Homework! Related to classwork Use method shown in class
Check with teacher if unsure! It’s the child’s responsibility to complete their homework!
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