1. Math 2-1: Warm-up Evaluate each expression. 8 + (20 – 3)(2) 16 + (-9)
3. -7 – 10
Solve each equation. Check your solution 4. 5.

2. Math 2-1: Fractions and Decimals
Objective: Express rational numbers as decimals and decimals as fractions.

3. Vocabulary rational number – numbers of the form
where a and b are integers and b ≠ 0.
terminating decimal – a decimal whose digits end.
repeating decimal – a decimal whose digits repeat in groups of one or more.
bar notation – in repeating decimals, the line or bar placed over the digits that repeat … =

4. Vocabulary rational numbers – ie. 1, ½, 0.5
natural numbers {1, 2, 3, …}
whole numbers {0, 1, 2, 3, …}
integers {… -2, -1, 0, 1, 2, …}

5. Write a Fraction as a Decimal
to express a fraction as a decimal, divide the numerator by the denominator.
Write as a decimal.
0.1875
0.75

6. Write a Mixed Number as a Decimal
to express a mixed number as a decimal, take whole number + fraction divided out.
Write as a decimal.
(terminating decimal)
(repeating decimal)

7. Practice 5. 6. 7. 8.

8. Write a Terminating Decimal as a Fraction
to express a terminating decimal as a fraction, put over 10, 100, etc.
Write 0.32 as a fraction.
(simplest form)
Write – 0.1 as a fraction.

9. Practice 1. 4. 5. 6.

10. Write a Repeating Decimal as a Fraction
Write as a mixed number.
Let
Then
Subtract

11. Practice

12. Assignment
Pg. 65 (14-36e)
Family Activity (ec) – due 9/30