Unit 9 – Addition and subtraction
Work in two small teams. You each need a calculator. Both teams start with a total of 500.
Subtraction Score
starting number
500
500 – 43
Teams take it in turns to roll two dice to make a 2-digit number. First make an estimate and then use the calculator to complete the subtraction. Which team has the lowest score after eight goes?
129
9781380050687__text.indb 129
03/05/2022 10:19
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