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NUMBER & ALGEBRA – Counting Photographs – 30 floor building

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We’re always adding new photographs to the website. Plenty to keep you going – but we just can’t resist getting out the camera when we see something interesting for you. Here is another angle for a Sydney building site with floors 1-30 visible. Will it go higher? What if the builders add 3 more floors? 10 more floors? What floor will you be on if you are working 10 floors lower than the 17th floor? If you have to add special light fittings to all the even number floors, which floors will they be?