Length from a ruler that does not start at zero
Count the units between the start and the end, or subtract.
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A ribbon starts at 2 on a ruler and ends at 9. How long is it in cm?
Answer: 7
A pencil starts at 1 on a ruler and ends at 9. How long is it in cm?
Answer: 8
A pencil starts at 7 on a ruler and ends at 9. How long is it in cm?
Answer: 2
Tip: Count the units between the start and the end, or subtract.
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- Next in this topic How much longer Class 2
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