| Borrowing from the tens:
Now, remember, that's really 70 = 60 + 10!
Remember the big key:
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A 1 in the tens stripe is 10...
and that's the same as 10 ones!
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Now, add the 10 and the 5 in the ones stripe:
See if you can finish it, then go to the next page to see how you did!
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