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3. Addition competition

To warm up today, have a go at this puzzle, using digits to create different two-digit numbers (numbers which have tens and ones) which fit certain rules.  (Multiples of 5 means we say it when we count in 5s - think about what the "counting in 5s" numbers all end in).  There is an online or a paper version for you to use.
Now watch Miss Cottrell's video below and have a go at the game.  You will need a dice or something to select from the numbers 1-6.  If you need help with the addition methods, have a look on the Week 10 page to see our worked examples. 

Addition competition video

Still image for this video