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Sum in a Box: A year 3 addition resource for interactive whiteboards

Activity Title: SUM IN A BOX

Topic(s): ADDITION

Reference(s): Year 3, Unit 1, Block A

Curriculum Objective:Derive and recall all addition and subtraction facts for each number to 20, sums and differences of multiples of 10 and number pairs that total 100

IWB Activity Description:It's quiz show time. An incomplete sum is displayed along with a lot of numbers in boxes. Look carefully and decide which number will complete the sum. When the doors close on the boxes try to remember where the right answer is, click a door to open it and check if you made the right choice.