Problem of the Day

!   The number 325 contains the digits 2, 3, and 5. These three digits can be ordered in other ways to make different numbers. Each order is called a permutation of the three digits. How many permutations are possible? List them.

1) 12!3) 1 and 50, 2 and 25, 5 and 10!5) 90,000,000!7) -10, -7, -2, 0, 5, 8!9) posts!11) the temperature fell by 7 degrees!13) $82.46!15) $1.80!

17) 10!19) 92,459!21) $7.55!23) 8 • 7 • 5 (given)! 7 • 8 • 5 (comm. prop. )! 7 • 40 (multiply 8 by 5)! 280 (multiply 7 by 40)!25) a. 80,000 b. -200 c. 2!27) right angle!29) by adding segments XY and YZ!

Lesson 7 Written Practice

Math is awesome!

Fractions and Percents; Inch Ruler

Lesson 8

Vocabulary

!   denominator

!   fractions

!   mixed number

!   numerator

!   percents

Fractions and Percents; Inch Ruler

!   List real-world situations in which you encounter fractions and percents.

!   How can a fraction and a percent be used to name the same part of a whole?

!   List real-world situations in which you have measured length or distance.

!   What are tick marks? On a ruler, how do you determine the fraction of an inch that each tick mark represents?

Practice/Homework

!   What fraction of this circle is shaded green?

!   What percent of this circle is shaded green?

!   Draw a circle to illustrate 2 ¾.

!   Arrange these fractions in order from least to greatest: ¼, ½, 1/8, 1/16

Adding, Subtracting, Multiplying Fractions

Reciprocals

Lesson 9

LN 9:Adding, Subtracting, Multiplying Fractions Reciprocals

!  invert

!   reciprocal

!   Inverse property of Multiplication

!  The product of a number and its reciprocal is _____.

LN 9:Adding, Subtracting, Multiplying Fractions Reciprocals

!   1/6 + 5/6

!   4/5 - 3/5

!   3/5 x 1/2 x 3/4

!   14 2/7% + 14 2/7%

!   Reciprocal of 1/2; 8/6; 3

!   Solve for m: 3/4 m = 1; 6m = 1

LN 9:Adding, Subtracting, Multiplying Fractions Reciprocals

!   Homework: Page 64 / Written Practice 1-29 odds