1. Unit 1 Vocabulary

2. Percent: a part of a whole expressed in hundredths.

3. Positive rational numbers: the set of numbers that can be expressed as a fraction a/b, where a and b are whole numbers and b ≠ 0

4. Strip Diagram: a linear model used to illustrate number relationships

5. Fraction: a number that represents part of a whole or part of a set.

6. Number line: a diagram used to order whole numbers

7. Numerator (Part): the top number of a fraction that tells how many parts of a whole are being considered.

8. Denominator (Whole): the bottom number of a fraction that tells how many equal parts are in the whole.

9. Equivalent: having the same value.