Mental Arithmetic Book 2: KS2 Maths, Year 4, Ages 8-9

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Negative Numbers Worksheets Sorting Temperatures Cold to Warm, Add and Subtract Negatives under 10, Add and Subtract Negatives under 20, Add and Subtract Negatives under 50 Teachers or parents can initially work through the worksheets with the children in their care to ensure they have a good understanding of the technique(s) to be practised. Children can then finish the worksheet and complete further worksheets independently. Long Multiplication Worksheets Long Multiplication TUxTU, Long Multiplication HTUxTU, Long Multiplication ThHTUxTU

Closely linked to the Key Stage 1 maths curriculum, each book contains test sessions presented in a unique three-part format comprising:As you have found out from the examples above, mental maths skills are all about breaking a problem down into numbers that are easy to deal with in your head. Sometimes we need to turn the calculation around and think of it in a different way. This gets sent home for homework once a week. It's seen by the children as a test? Which it is. Swapping through addition,subtraction,fractions, giving change, and all sorts in the same homework sitting is not consolidation of what's been taught that week in class. As parents we don't know what's been taught that week or the week before, or the approaches used,methodologies taught..nothing. We have no text book to consult with the work programme in it either. Testing children repeatedly, sometimes on topics they haven't even covered yet leaves the children deflated and makes homework frustrating. Are the books meant to be used this way?

Year 3 and Year 4 Worksheets Doubling Numbers from 10-50, Add two 2-digit Numbers of 10-50, Doubling Numbers from 50-99, Add two 2-digit Numbers of 30-99, Find the Middle Number - 2 digits, Find the Middle Number - 3 digits, Find the Middle Number - 4 digitsThere are lots of different strategies we can use to help us do mental arithmetic. Here are a few examples, which we've split depending on whether you're adding or subtracting numbers mentally. Mental subtraction strategies Column Subtraction Worksheets Column Subtraction Level 1, Column Subtraction Level 2, Column Subtraction Level 3, Column Subtraction Level 4, Column Subtraction Level 5, Column Subtraction Level 6 Addition and subtraction facts to 20 are also important in children’s mental maths capability. They would also need to know how to add near doubles i.e. 5 + 4. Read more: 2-Step Word Problems and Multi-Step Word Problems in KS2 Maths Year 2 mental maths challenges Mental arithmetic is the invaluable maths skill of doing calculations in your head, without the use of any tools, such as a calculator or pen and paper, or fingers! It can come in handy in countless everyday situations, from working out the best multi-buy deal in the supermarket, to calculating how long you will need to wait for the next train.

Two examples of when you might need your mental maths skills are when you are dealing with money, or when you need to calculate a percentage, both of which occur often when you are out shopping. Mental addition strategies Near Doubles This is a great strategy for adding similar numbers. To use this mental method, double one of the numbers and adjust by adding or subtracting the difference. This strategy relies on children's number sense and reasoning skills. This is a useful strategy to apply when subtracting smaller numbers. Children will be taught to use it together with a number line or a number square at first, but then they will be able to complete it mentally.

What is the Mental Method?

Fractions Worksheets Half of a Number under 100, Quarter of a Number under 100, Fractions of a Number, Adding Fractions Common Denominator, Subtract Fractions Common Denominator, Building Equivalent Fractions, Equivalent Fractions, Adding Fractions, Subtracting Fractions, Comparing Fractions, Comparing Fractions to Decimals, Mixed Fractions to Improper, Simplify Improper Fractions, Adding Mixed Fractions, Reduce Fractions to Simplest Form The following table includes some other key number facts to work on before Year 3. Although you would not expect children in Key Stage 1 to undertake a lot of formal mental maths tests, rapid recall is important so these will be practised regularly. Number facts children should know by the end of Year 2 Year 2 mental maths: place value

An example of a money challenge could be asking children to work out how many 2p coins they would need to pay for something costing 10p in a shop. Then what coins would you need if you wanted to buy 2 of those same things – costing 10p each? You may need to support this with pictures. Through assessment of the answers given, you can incrementally make the challenge harder or try it with multiple options such as some 5ps and 2ps. Hopefully children are already spotting patterns and will be able to suggest multiple solutions to finding 20p. Year 2 mental maths resources – moving past worksheets Take a look at some of the other great resources that Third Space Learning provides to help your class excel in mental maths: Understanding fractions in Year 2 ensures that later in their primary school years pupils can apply this solid understanding to decimals and percentages. The importance of mental maths skills in Year 2 problem solvingChildren are expected to learn partitioning of numbers to help them with addition and subtraction. This will support adding 1 digit numbers added to 2 digit numbers, for example 26 + 3. Pupils are required to fluently use addition facts and subtraction facts up to 20 and work with related facts up to 100. Short Multiplication Worksheets Short Multiplication x 2, Short Multiplication x 3, Short Multiplication x 4, Short Multiplication x 5, Short Multiplication x 6, Short Multiplication x 7, Short Multiplication x 8, Short Multiplication x 9