Here are some calculations for you.
Can you figure out the answers in your head?
No calculator allowed.
4 x 80  700 x 30  30 x 4000 
6 x 0.6  0.5 x 0.5  0.3 x 0.07 
16 ÷ 40  24 ÷ 0.6  10 ÷ 0.02 
Topics: Starter  Mental Methods  Place Value
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Previous Day  This starter is for 11 October  Next Day
4 x 80 = 320  700 x 30 = 21000  30 x 4000 = 120000 
6 x 0.6 = 3.6  0.5 x 0.5 = 0.25  0.3 x 0.07 = 0.021 
16 ÷ 40 = 0.4  24 ÷ 0.6 = 40  10 ÷ 0.02 = 500 
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