Saturday 15 November 2014

Nuts about numbers


Can you answer Kemi's question?
Challenge 
How tall will Kemi's plant tree be after 120 hours?

20 comments:

  1. I think that is 9cm high because she planting for the hole day

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    Replies
    1. It was 13cm high on the Friday, so it must be taller than this!

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  2. I think it is going to be 632cm

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    1. Think again Mory. You have to keep doubling the height. On Friday it was 13cm, on Saturday it will be double this answer. What height will it be on Saturday?

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  3. in 5 days it grew 5 cm

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    Replies
    1. Try again Nathaniel. It starts at 13cm and doubles in height each day.

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  4. 120 divided by 24 = 5

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    1. Yes so 120 hours is 5 days. So to answer the challenge question, how tall will the magic plant be after 5 days?

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  5. The method is easy so you do it like this 24 48 56 112 224 448 896 1691.

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    1. Great doubling Abdi, but you have not answered the question.

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  6. It groo on monday and the ansewer will be 632cm.

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  7. On Monday at 900.26 ×3=78 after 120÷24=5 5×26=130

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  8. In 5 day it grow 113cm

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  9. On Saturday it will be26

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  10. On Saturday it was 26cm on Sunday it was 52cm on Monday it was 104cm on Tuesday it was 208cm on Wednesday it was 316cm on Thursday it was 632cm on Friday it was 1,054cm and on Saturday it was 2,180.

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  11. On saturday kemi's tree will be 26cm and on sunday kemi's tree will be 52cm that means on Monday kemi"s tree will be 104cm.

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  12. Challenge
    on friday the tree will be 65cm. 24+
    24+24+24+24=120. 13÷5=65cm

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