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Weekly Warm up (Mental Maths) - Year 1

Monday -  Use the hundred square to help you. (PDF below)  Count from 1 - 100, pointing to the numbers as you count.  Do you notice that all of the teen numbers are in a row, the twenties are in a row, the thirties are in a row and so on?  Count in multiples of 10.  Have you noticed that they are all in a column?  What have all multiples on ten got? Count in twos.  What do you notice? You land on one square, miss a square out and so on.

Tuesday - Number of the Day activity (see PDF below).

Wednesday - Use two tens frames to help you (pdf below). Use something small e.g. coins, small toys or counters to calculate number bonds to 20. e.g. put 15 coins into 15 different squares on the frames. Ask your child 'How many squares are empty?' So 15 + 5 = 20. Try with a different number. This time put 6 coins on to the squares. How many squares are empty? 4. So 6+14=20. Repeat. Do this verbally and try to keep this a quick, short activity. 

Thursday - Repeat yesterday's warm up activity. Try and calculate your answers more quickly. 

Friday - Complete the ordering numbers worksheet below. Give your child the numbers from the bottom on the sheet only. Can you order the numbers from smallest to largest? Now you think you have them in the correct order, glue them in to the blank squares on the table at the top of the sheet. Were you correct? Count as you glue on your numbers checking they are in the correct order as you glue. 

Weekly Warm up (Mental Maths) - Reception

Monday - Practise counting forwards and backwards up to 20.  If you have number cards from 1 - 20 can you put them in the correct order?  Use your knowledge of adding one more to help. 

Tuesday - Quick fire number formation -  Use the PowerPoint below and choose a number 0-9 and ask your child to write it on a piece of paper, move quickly to the next number.  Continue to practise any that your child is finding tricky.  If they can form all numbers up to 10, move onto numbers up to 20. 

Wednesday - Use the tens frame pdf to help you. Use something small e.g. coins, small toys or counters to calculate number bonds to 10. e.g. put 5 coins into 5 different squares on the frame. How many squares are empty? 5 + 5 = 10. Try with a different number. This time put 6 coins on to the squares. How many squares are empty? 4. So 6+4=10. Repeat. Do this verbally and try to keep this a quick, short activity. 

Thursday - Repeat yesterday's warm up activity. Try and calculate your answers more quickly. 

Friday - Lay out your number cards 0-20 in a row. Ask your child to close their eyes. That naughty Highway Rat is going to take some of the numbers. When you open your eyes, which numbers are missing? (Hint: You could take the numbers away altogether and dot them around the room - ask your child to find them around the room and put them into the right positions on the number line or keep the cards in the number line and just turn them over so your child can have a go at saying the number and then turn the card over to reveal the answer). 

Main Learning


The Highway Rat has been stealing all the food and treats from the other animals! Can you pretend to be this naughty baddie and steal food for your own collection? You could use play food or toys, anything you would like to get your hands on! 

Year One: You are going to be in the Wild West doing your stealing! On your way you are going to pass some cacti. (You can use the sheet below to count the cacti or put the large cacti around your room and as your child passes them they can collect the cacti pictures- in either case - your child needs to count the total of each cacti). The total number of each cacti is going to become that cacti's value.

For example; if you found 4 cacti with pink flowers on - this cacti represents the number 4.

Complete the cacti chart (pdf below). Then, on the last sheet, write in the value for each cacti (the total you have found) and then write out the calculations. e.g. a pink flowered cacti + a pink flowered cacti would be written as 4+4=8. 

Reception: Roll two dice (or turn over two number cards) and steal that number of objects! Put them into two piles (one pile for each number) and use words like 'add, plus, more, altogether, total' to find out how many items you have stolen. Can you write down your total? You could even have a go at writing the whole calculation down. For example 4 + 6 = 10. Read your number calculation back. "Four plus six equals ten". Roll the dice again. How many items will you steal this time?



The Highway Rat is collecting all the items he steals in to his swag bag. Using a gift bag, handbag, or any sort of bag you have at home fill it with numbers 1-10. (Number cards, magnetic numbers, write numbers on to slips of paper). You are going to pick two numbers and add them together. 


Year One: When you have your two numbers, calculate their total (add them together). Here is an example of how I would like you to write them down. I have put my two numbers in the first circles (on the left) and then the total in the circle on the right. I can now write two addition calculations. I have given you two examples.

Using your own paper, or the squared paper below, pick your two numbers and work out two addition calculations.

Reception: Begin to write down your calculations using pictures. Here is an example:

Below is a pdf of the squared paper I have used above. It is the same as the squares in our school maths books. You could draw and write the calculations on here. (Hint: working out calculations practically is the first step to calculating, using pictures is the next - adults can write the numbers/symbols unless your child is ready for this third step smiley).


At the end of the story the Highway Rat no longer steals from the other creatures but works hard for his food.

I think that's time to celebrate!

Reception:Work through the Counting on PowerPoint to 20. When we are adding two numbers together, we don't have to start at the beginning each time. We can start at the first number and count on. When you have worked through the PowerPoint, choose two of your number cards and add them together by counting on. Can you write down your answers. You could use your counters/toys to check you have got the correct number.


Year One: Now everything is calm in the peaceful in the world of the Highway Rat, all the creatures are much happier. A symbol of peace can be a rainbow. Let's use a rainbow to help us with our calculations.

Use the rainbow pdf below to help you write the number bonds to 20 that we were working out at the beginning of the lesson. Put your finger on one side of the rainbow and follow the colour to the next number. Can you write down this calculation? Is there another  way to write the calculation? Think about yesterday's lesson. (If your child is struggling with numbers bond to 20, concentrate on number bonds to 10).

Now, use your tens frames to show your calculation. Remember, this is not a trick, we are trying to see the pattern and relationship between the numbers.

Extension: You could also have a look at the number bonds to ten rainbow (pdf below). Are there any similarities between the two rainbows? Explain to your adult.


Let's use today's Maths work to really master our addition skills.

Year One: Work through the Number bonds to 20 PowerPoint below. Use the resources from this week to help you. You could use counters, the tens frame and/or the rainbow! laugh

Reception: Here is a little problem for you to solve! 



Year One: Click here to play an online game. Make your own smoothie! To continue this week's learning on the number bonds to 20. Choose the option 'facts to make 20'. 

Reception: Click here to play an online game. Connect the correct numbered pipe (making a number bond to 10) to 'Save the Whale'.