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Week 1 - 30.03.20

This week we are going to be refreshing our understanding of addition and subtraction. 

Can you remember what the words 'addition' and 'subtraction' mean? Can you remember some of the techniques that we have been using in class to help us to solve addition and subtraction number sentences? 


Remember, these symbols are very important: 

  1. + (add) 

  2. - (takeaway/subtract) 

  3. = (equals) 



Use what you already know about addition and subtraction to help you to work out these number sentences. Be creative and use resources that you have available to you in and around your house (for example, counters, sweets, pencils, biscuits etc.) or alternatively, you could draw dienes to help you to work out the answers. 


10 + 6 =                      17 - 4 = 

7 + 5 =                        9 - 5 = 

14 + 3 =                      15 - 3 = 

9 + 7 =                        19 - 8 = 

12 + 8 =                      8 - 4 = 


Challenge - Create your own number sentences or get an adult to create you some challenging number sentences that use numbers beyond 20 (for example, 24 + 5 =). Remember, when we use larger numbers it is easier for us to make tiny mistakes so it is important that you make sure you are counting carefully! 

Example methods:

Example methods: 1
Example methods: 2


Log onto MyMaths and complete the 'Counting on and back' lesson that has been assigned. Then have a go at completing the online homework. 


This lesson will teach you the skill of using a number line, just like the ones that we use and have displayed in our classrooms, to help us to add and subtract. 

Picture 1


Use what you know already and what you have learnt so far this week to help you to solve these word problems. Use whatever practical resources you have available or draw dienes/number lines/visual representations (e.g. leaves/toys or whatever object is mentioned in the word problem) if you find it easier. If you pick out the important information from the questions first, this will help you to answer each problem accurately. 



  1. The words 'altogether' and 'total' mean that you should be adding (+)
  2. The word 'left' means that you should subtract/takeaway (-)


Word problems: 

  1. There are 9 superheroes and 6 fly away to rescue people. How many superheroes are left? 
  2. Choose 4 of your favourite toys to read a story to. Each toy brings along a friend, so there are now 4 more toys. How many toys do you have in total? 
  3. Collect 10 leaves from your garden (or draw them if you do not have access to an outside space). Find 5 more leaves. How many leaves do you have in total? 
  4. Set out 3 plates for the Three Bears. Then add 5 more plates for their friends that are coming along to the party. How many plates do you have altogether? 
  5. Set up 6 toy cars (or draw them if necessary). 5 of the cars drive away. How many are you left with? 


Challenge 1 - There are 19 cookies but Miss Fountain, Miss Manners and Miss Foreman eat 8 of them. How many are left? 

Challenge 2 - There are 20 colouring pens and Mrs Beckinsale brings in 10 more colouring pens. How many pens do we now have altogether? 


Log onto MyMaths and complete the 'Number facts and doubles 1' lesson that has been assigned. After you have done this, have a go at completing the online homework. 


You should use what you already know about number bonds to help you to access this lesson. 

Picture 1


Practise your number bonds to 10 using the 'Hit the Button' game. How many number bonds can you get right before the timer runs out? Can you challenge yourself to beat your record? 

Picture 1

Extension if required:

If you have the resources available to you and want to put your understanding of number bonds and your creativity to the test, you could have a go at creating this visual aid to support your recognition of number bonds to 10. This also reinforces a technique that we have been learning within school smiley

Explanation - We can use our fingers to help us to work out the number bonds to 10. 

For example, hold up all of your fingers on both hands (10). If you put 1 finger down, and count how many fingers that remain up on your hands (9) you will have just demonstrated a number bond to 10 - 1 and 9 add together to make 10 and so on...

Picture 1