L25 · Absolute value

1. 1.

   Evaluate |−13|.

   Answer. 13

   Absolute value is distance from 0, so |−13| = 13.

2. 2.

   Evaluate |5|.

   Answer. 5

   Absolute value is distance from 0, so |5| = 5.

3. 3.

   Evaluate |13|.

   Answer. 13

   Absolute value is distance from 0, so |13| = 13.

4. 4.

   Evaluate |−9|.

   Answer. 9

   Absolute value is distance from 0, so |−9| = 9.

5. 5.

   Evaluate |−15|. Then Priya needs 4 of that amount. What is the total they need?

   Answer. 60

   Absolute value is distance from 0, so |−15| = 15. Then multiply by 4: 60.

6. 6.

   Evaluate |4|. Then Ava needs 4 of that amount. What is the total they need?

   Answer. 16

   Absolute value is distance from 0, so |4| = 4. Then multiply by 4: 16.

7. 7.

   Evaluate |4|. Then Theo needs 4 of that amount. What is the total they need?

   Answer. 16

   Absolute value is distance from 0, so |4| = 4. Then multiply by 4: 16.

8. 8.

   Evaluate |−4|. Then Priya needs 4 of that amount. What is the total they need?

   Answer. 16

   Absolute value is distance from 0, so |−4| = 4. Then multiply by 4: 16.

9. 9.

   Evaluate |4|. Then Sam needs 4 of that amount. What is the total they need?

   Answer. 16

   Absolute value is distance from 0, so |4| = 4. Then multiply by 4: 16.

10. 10.

    Evaluate |7|. Then Malik needs 3 of that amount. What is the total they need?

    Answer. 21

    Absolute value is distance from 0, so |7| = 7. Then multiply by 3: 21.

11. 11.

    Think

    Owen tried this problem:
    Evaluate |11|.
    Owen wrote 22. That is not correct. What is the right answer?

    Answer. 11

    Owen’s answer 22 is off. Absolute value is distance from 0, so |11| = 11.

12. 12.

    Think

    Mei tried this problem:
    Evaluate |−3|.
    Mei wrote 4. That is not correct. What is the right answer?

    Answer. 3

    Mei’s answer 4 is off. Absolute value is distance from 0, so |−3| = 3.

Original extra practice. Keys are computed from the items, not guessed.