Here are some calculations for you.
Can you figure out the answers in your head?
No calculator allowed.
4 x 10  700 x 50  20 x 5000 
4 x 0.1  0.3 x 0.2  0.7 x 0.06 
36 ÷ 40  48 ÷ 0.8  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
4 x 10 = 40  700 x 50 = 35000  20 x 5000 = 100000 
4 x 0.1 = 0.4  0.3 x 0.2 = 0.06  0.7 x 0.06 = 0.042 
36 ÷ 40 = 0.9  48 ÷ 0.8 = 60  63 ÷ 0.07 = 900 
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