223
5
7
8
16
18
Use each of the numbers only once with any mathematical operations to make an expression equal to the target.
If you can't make the target exactly, how close can you get to it?
Topics: Starter  Arithmetic  Mental Methods
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Previous Day  This starter is for 2 November  Next Day
(16 + 5) x (18  7)  8 = 223
How many different sulutions do you think there are?
What strategies did you use?
Did you use your head, paper or a calculator?
Or did you use all three?
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Would you improve if you practised solving problems like this?
How could a group of students efficiently work together on a problem like his?
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