# Helping your child with Maths In Year 2. Helping your child with Maths Try to make maths as much fun as possible - games, puzzles and jigsaws are a great.

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Helping your child with Maths In Year 2

Number Recognition Help your child to learn to recognise numbers. Point out numbers you see in everyday activities, such as numbers on packets or prices, car number plates, house or bus numbers. Your child now needs to recognise all 2 digit numbers. More number work Make some 2 digit number cards. Ask your child to read the number. Can your child write the 2 digit number? Ask your child to put the numbers in order, from smallest to largest. 25 47 61 89 93 47 40 (4 tens) 7 (7 units) This is called ‘partitioning’ a number. How many tens are in the number? How many units? This is called partitioning.

Adding 2 digit numbers When your child can partition confidently, move on to using this skill to add numbers together. Start by using 2 digit numbers with a number below 5 in the units column, like the example below. 24 32 + 20 4 4 30 2 2 Partition the numbers: Add the tens: 20 30 += 50 Add the units: 4 4 2 2 6 6 + = Combine the answers: 50 6 6 + = 56 Adding 2 digit numbers using a number line Your child needs to put the largest number at the far left of the number line, partition the second number into tens and units and then jump on the tens number, followed by the number of units. 3252 56 +20+4

Subtraction Choose a 2 digit number card and roll a dice. Write down the number sentence: 25 25 – 6 = 19 Encourage your child to put the larger number in their head and count back. Remind your child that we don’t say the number we start on. So, for the above number sentence, your child would put 25 in their head and say 24, 23, 22, 21, 20, 19. Subtraction using a number line Choose two, 2 digit number cards. Ask your child to put the largest number first and write the number sentence: 45 22 45– 22 = 23 45 -20 25 -2 23 Your child needs to draw a line and write the biggest number at the far right of the line. Jump back 20 and then jump back another 2. To use this method, your child needs to be able to partition and subtract multiples of 10 confidently. These skills are also described in this booklet.

Doubling Introduce your child to doubling numbers by using 2 sets of objects of the same size: Double 3 equals 6. 3 + 3 = 6. Start with numbers up to 5 and then progress to numbers up to 10. The aim is for your child to be able to recall doubles up to double 10 instantly. This requires lots of practice. Near doubles When your child can double numbers up to 10, move on to near doubles, e.g. 6 + 7. Double 7 is 14. We then need to subtract 1, because we are finding 6 + 7. Halving Your child needs to learn that halving is the inverse of doubling. You can undo doubling by halving. Demonstrate this by giving your child 5 buttons. Ask them to double the number. They now have 10. Ask them to halve the number and they will be back to the number they started with. double half

Sharing Give your child some pebbles/buttons/grapes etc. and ask them to share them fairly between 2 circles. Division Your child will learn two different ways of thinking about division: sharing and grouping. If you have 10 sweets, and share them between 2 people, each person gets 5 sweets – this is sharing. If you have 10 sweets and put them in groups of 2, you will get 5 groups – this is grouping. With both ideas it is important to see the link with multiplication – in this case, 2 people have 5 sweets each, making 10 sweets altogether, or 5 groups of 2 make 10. Children should do lots of sharing and grouping with apparatus, before they do any written division work. Below are some models and images to help your child understand multiplication and division: Grouping Give your child some pebbles/buttons/grapes etc. and ask them to put them in groups of 2:

2D Shape Talk about the different shapes around the home and when you are out walking. (Circle/square/triangle/rectangle/pentagon/ hexagon/ heptagon/octagon/nonagon/decagon.) cube cuboid sphere cone cylinder triangular prism 3D Shape Ask your child what a 3D shape is. It is one which you can hold in your hand. 2D shapes are flat. Look for 3D shapes everywhere you go. You could take photographs and make a 3D shape book. The most common 3D shapes are shown below: square based pyramid triangle based pyramid

Time In year 2 we focus on o’ clock and half past, quarter to the hour and quarter past the hour. Capacity Select 3 different size and shape containers – mugs/bottles/glasses etc. Ask your child which one they think holds the most water. Test this by seeing how many times you have to fill that container to fill a saucepan. You could record your results in a table. Container How many to fill the saucepan? Plastic beaker Tea cup Bottle Talk to your child about the shape of the containers. Did the tallest one hold the most water?

11p Money When you go shopping there are many opportunities for helping your child with maths. Let them handle money and help them to recognise the coins. Ask your child to give you 20p. Ask your child if that is the only way to make 20p. What other ways are there? Once your child is used to investigating making 20p in different ways, move on to a bigger number. Change Give your child £1. Set up a shop where everything costs less than £1. Let your child ‘buy’ something from the shop and ask them how much change they need. 28p

Weight If you weigh foods when shopping or baking, share with your child how you read the scales. Encourage them to have a go at reading the scales for themselves. Balancing scales Balancing scales can be used for a variety of activities. Children can simply compare the weight of various objects and put them in order of weight. They could also try to make them balance by making the weights equal on both sides.

Useful Websites http://www.oxfordowl.co.uk/for-home/maths-owl/fun- activities http://www.topmarks.co.uk/maths-games/5-7-years/counting http://www.bbc.co.uk/bitesize/ks1/maths/ http://www.ictgames.com/resources.html http://www.sumdog.com/en/parents/ http://www.theclassroomkit.com/numeral-recognition- games.html http://primarygamesarena.com/Year-2 http://www.twinkl.co.uk/

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