Here are some calculations for you.
Can you figure out the answers in your head?
No calculator allowed.
|6 x 80||400 x 20||90 x 3000|
|4 x 0.1||0.5 x 0.4||0.9 x 0.06|
|18 ÷ 20||4 ÷ 0.4||49 ÷ 0.07|
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|6 x 80 =|
|400 x 20 =|
|90 x 3000 =|
|4 x 0.1 =|
|0.5 x 0.4 =|
|0.9 x 0.06 =|
|18 ÷ 20 =|
|4 ÷ 0.4 =|
|49 ÷ 0.07 =|
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