Here are some calculations for you.
Can you figure out the answers in your head?
No calculator allowed.
|4 x 70||700 x 30||40 x 1000|
|1 x 0.9||0.3 x 0.7||0.9 x 0.02|
|21 ÷ 30||16 ÷ 0.4||35 ÷ 0.05|
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|4 x 70 =|
|700 x 30 =|
|40 x 1000 =|
|1 x 0.9 =|
|0.3 x 0.7 =|
|0.9 x 0.02 =|
|21 ÷ 30 =|
|16 ÷ 0.4 =|
|35 ÷ 0.05 =|
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