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Powers of 10

Powers of 10. Add 1 to the power. Subtract 1 from the power. 1. 10 0. 10 -1. 10 -2. 10. 1. 0.1. 100. 0.01. 10000. 1000. Multiply by 10. Divide by 10. TRUE OR FALSE?. Multiplication always makes numbers bigger. Division always makes numbers smaller.

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Powers of 10

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  1. Powers of 10 Add 1 to the power Subtract 1 from the power 1 100 10-1 10-2 10 1 0.1 100 0.01 10000 1000 Multiply by 10 Divide by 10

  2. TRUE OR FALSE? Multiplication always makes numbers bigger Division always makes numbers smaller

  3. Try multiplying and dividing the numbers on the left hand side by those on the right hand side. Investigate x ÷

  4. Organise your findings into a table:

  5. What can you see?

  6. 1/10 10 1/100 100 1/10 10 1/100 100 Is the same as Is the same as Is the same as Is the same as

  7. Multiplying and dividing by powers of 10 734 7.34 x 100 = 37.4 / 10 = 3.74 9.3 x 0.1 = 9.3 / 10 = 0.93 0.27 / 0.1 = 0.27 x 10 = 2.7 0.63 x 0.01 = 0.63 / 100 = 0.0063 5.96 / 0.01 = 5.96 x 100 = 596

  8. What did you find out? Multiplying by a number less than 1 makes things smaller. Dividing by a number less than 1 makes things bigger

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