2. I saw an ____ in the the newspaper.

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3. We have to ____ many numbers together.

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4. Where did you see the _____ about cheap deals on hotels?

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5. Check the ____ board in the lunch room.

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6. We need to ____ a tip.

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7. We learn to ____ in the 1st grade.

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8. We have to ____ the numbers in our head.

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