Here are some calculations for you.
Can you figure out the answers in your head?
No calculator allowed.
3 x 50  800 x 30  10 x 3000 
8 x 0.2  0.5 x 0.7  0.7 x 0.06 
10 ÷ 50  72 ÷ 0.9  63 ÷ 0.07 
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Topics: Starter  Mental Methods  Place Value
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Previous Day  This starter is for 11 October  Next Day
3 x 50 = 150  800 x 30 = 24000  10 x 3000 = 30000 
8 x 0.2 = 1.6  0.5 x 0.7 = 0.35  0.7 x 0.06 = 0.042 
10 ÷ 50 = 0.2  72 ÷ 0.9 = 80  63 ÷ 0.07 = 900 
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