This stairway is made of cubes. How many cubes would be needed to make the steps 9 steps high?
answer:
1st step=1
2nd step=2
3rd step=3
4th step=4
5th step=5
6thstep=6
7thstep=7
8th step=8
9th step=9
1+2+3+4+5+6+7+8+9=45
you will need 45 cubes would be needed to make the steps 9 steps high?
Monday, August 17, 2009
family maths challenge
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1 comments:
Taz a very good explanation of how you worked out the maths challenge.
Mrs R
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