1. Zero Pair

2. Zero pair
A Zero pair is a number and its opposite.

3. Zero pair

4. Zero pair
A zero pair describes a pair of numbers whose sum is zero.

5. Zero pair Is -4 + -4 an example of a zero pair?
If you start at -3 and move right 3 spaces on the number line, is this an example of a zero pair?
If you add is this an example of a zero pair?

6. Positive Integer

7. Positive Integers
Positive Integers are numbers to the right of zero on a number line.

8. Positive Integer

9. Positive Integers Positive Integers are used to denote a rise in
temperature.

10. Positive Integer
Would a positive integer be used to describe a depth of 5 feet in the ocean?
Can you use a positive integer to describe a deposit into a bank account?
Does a plane descending from the sky describe a positive integer?

11. Negative Integers

12. Negative Integers
Negative Integers are numbers to the LEFT of Zero on a number line.

13. Negative Integer

14. Negative Integers Negative Integers are used to
describe a loss of yards on
a football field.

15. Negative Integers
Can a negative integer describe a withdrawal from a bank account?
Is a plane ascending into the sky described by a negative integer?
If a football player loses yards in a game, is the result described as a negative integer?

16. Addends

17. Addends are numbers that are added to give a sum.

18. Addends

19. In the problem 25 + 13 = 38, the 25 and 13 are addends.

20. Addends Are addends found in subtraction problems?
Can an addend be a negative
number?
Does an addend always have to be positive?

21. Number Line

22. A number line is a line on which points correspond to numbers.

23. Number Line

24. Number Line
Points on a number line can be positive or negative numbers.

25. Number Line Is a ruler a part of a number line?
Is a thermometer an example of a number line?
Can a coordinate grid be constructed by using number lines?

26. End of words