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- Use your copy of the 100 Chart and your calculator to help you answer the following questions:
- Is 27 a multiple of 3? Write a multiplication sentence.
- Is 27 divisible by 3? Write a division sentence.
- Is 51 a multiple of 3? Write a multiplication sentence.
- Is 51 divisible by 3? Write a division sentence.
- Is 14 a multiple of 3? How do you know?
- If 14 is divided by 3, what is the remainder? Write a multiplication or division sentence. Remember to include the remainder.
- Use your calculator. Press:
How does your calculator show whether 14 is divisible by 3? Is the answer a whole number? - Is 74, 75, or 76 divisible by 3? Use your copy of the 100 Chart or a calculator to decide. Write a division sentence showing which number is divisible by 3.
- Look carefully at your 100 Chart. Write in more numbers below it if you need to.
- Predict: Is 101 divisible by 3? Check your prediction with a calculator.
- Predict: Is 102 divisible by 3? Check your prediction with a calculator.
- Predict: Which of the following is divisible by 3? 116, 117, or 118? Why do you think so? Check your prediction with a calculator.
- Mrs. Dewey started listing numbers from the 100 Chart that were divisible by 3. Then she made the table on the right. Roberto saw a pattern. Do you? Explain.
