Here are some calculations for you.
Can you figure out the answers in your head?
No calculator allowed.
1 x 80  800 x 50  30 x 9000 
5 x 0.2  0.9 x 0.2  0.5 x 0.08 
32 ÷ 80  2 ÷ 0.2  6 ÷ 0.06 
Topics: Starter  Mental Methods  Place Value
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Previous Day  This starter is for 11 October  Next Day
1 x 80 = 80  800 x 50 = 40000  30 x 9000 = 270000 
5 x 0.2 = 1  0.9 x 0.2 = 0.18  0.5 x 0.08 = 0.04 
32 ÷ 80 = 0.4  2 ÷ 0.2 = 10  6 ÷ 0.06 = 100 
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