Here are some calculations for you.
Can you figure out the answers in your head?
No calculator allowed.
8 x 90  500 x 80  40 x 3000 
6 x 0.3  0.1 x 0.1  0.4 x 0.09 
3 ÷ 10  3 ÷ 0.1  54 ÷ 0.06 
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Topics: Starter  Mental Methods  Place Value
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Previous Day  This starter is for 11 October  Next Day
8 x 90 = 720  500 x 80 = 40000  40 x 3000 = 120000 
6 x 0.3 = 1.8  0.1 x 0.1 = 0.01  0.4 x 0.09 = 0.036 
3 ÷ 10 = 0.3  3 ÷ 0.1 = 30  54 ÷ 0.06 = 900 
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