Here are some calculations for you.
Can you figure out the answers in your head?
No calculator allowed.
|1 x 30||100 x 50||70 x 8000|
|4 x 0.1||0.8 x 0.8||0.9 x 0.09|
|3 ÷ 10||7 ÷ 0.1||45 ÷ 0.09|
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|1 x 30 =|
|100 x 50 =|
|70 x 8000 =|
|4 x 0.1 =|
|0.8 x 0.8 =|
|0.9 x 0.09 =|
|3 ÷ 10 =|
|7 ÷ 0.1 =|
|45 ÷ 0.09 =|
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