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Maths Calculations


Mental/Oral Starter:

Reception: Count up to and beyond 20 - how high can you count? Can you do a new action for each number?

Year One:Ordering odd and even numbers.  – Can you help the post person deliver the letters?  Remember to use the twos count to help.


Main Learning:


Addition – what does addition mean?  What will happen to a number/objects if I add more?  Can you tell me what strategies we can use to add?  Remind the children about fingers, objects, counting on, Numicon, etc.

Can you find pairs of numbers that total 10. e.g. 6+4=10 or 7+3=10


Year One: Use toys/equipment you have got at home to practically find the pairs of numbers that total 10. (Number bonds to 10). How many different pairs can you find? Can you write the calculation to match?  Can you use the correct symbols?  Continue to work on these this week as you should be able to recall all pairs of numbers that total 10 with speed and accuracy.


For example:

heartheartheartheartheartheartsmileysmileysmileysmiley  6 + 4 = 10

blushblushblushblushblushblushblushblushheartheart  8 + 2 = 10


Reception: Pick a number of your choice, e.g. 8.  Can you find the number that is one more or one less than 8? Use you toys and count carefully! Can you write the numbers down? Can you use the correct number formation? 





Mental/Oral Starter:

Reception: Count up to and beyond 20 - how high can you count? Can you do a new action for each number?

Year One: Can you count in twos? Begin by whispering the odd numbers and saying the even numbers. Repeat and repeat, eventually stop saying the odd numbers and just say the even numbers.


Main learning:



Year 1: Things that come in twos. How many different things can you think of?  Look around your house and find as many different pairs as you can! E.g. 5 pairs of socks.  How many socks have you got altogether? Can you begin to count in twos to make it quicker? 


Reception: Can you count carefully? Choose a worksheet below and carefully count the objects, touching each object as you count.

Mental and Oral Starter

Reception – Show your child numbers up to 10.  You can write these on a piece of paper, use flash cards, whatever you have.  Show your child a number, e.g. 5 and ask them to show you the correct number of fingers to match.  


Year 1 – Missing number activity (see below) - Look at the grid and fill in the missing numbers.  Can you use your knowledge of counting in twos to help you?


Main Teaching


Year 1s (T). Watch the video about a resource we use in school called Numicon.  We use this resource to support children in school with many concepts in Maths.  Today we will use it to understand odd and even numbers. 


Pick a number from 1 to 10 and ask your child to find the matching Numicon (use the picture below).  Is this number odd or even?  How do you know? Place the number in the correct pile; odd or even.  Repeat with other numbers up to 20.  When making numbers up to 20 you will need to choose two Numicon pieces.  


Reception - Make some number cards (1 - 10).  Ask your child to pick a number from the pile.  Can they find the matching Numicon piece?  Use the picture below.  Can they pick another number and find the matching Numicon piece?  If you add them together, what is the total?

Numicon visual

Mental/Oral starter


Sing the counting in 2s song video. (Video goes up to 50 then 100)  How can we tell if a number is even?  How can we tell if a number is odd?  Remind children about the Numicon work during the previous day.


Counting By Twos Song Video NS.mp4

Still image for this video

Main Teaching


Year 1 – Complete counting in twos game –

The children have to read the number in the centre and then count on from the first given number up to the correct number and choose the correct duck. 


Reception - Application of odds/even knowledge (worksheet - see below).  Look at the number on the house, find the Numicon to match (use the picture above) and decide if the number is odd or even.  Cut the homes out and place the houses on the correct side of the street.