12/4/13

6th Grade 12/4/13

Essential Question: How do I evaluate algebraic expressions?

Opening: Applying order of operations to expressions

Work Session: Expressions

Vocabulary: algebraic expression, variable

Standard: Write, read, and evaluate expressions in which letters stand for numbers.

Homework: evaluate if x=7

1. 7x + 11x

2. 8x + 12x -23

3. 15x -12x

Log in as elhfishing2   password howard33

1. http://www.ixl.com/math/grade-7/evaluate-single-variable-expressions-ii

2. http://www.ixl.com/math/grade-7/evaluate-multi-variable-expressions

7th grade 12/4/13

Essential Question: What are proportions?

Opening: Proportion video

Work Session: IXL Lab proportions

Homework: find the missing proportion:

Find unit rate:

1. $7.59 for 10 cups

2. $88.75 for 25 tickets

3. $345.75 for 100 balloons
Video:  http://www.youtube.com/watch?v=B3X3G2cPoDQ  and

View this link: http://www.mathsisfun.com/algebra/proportions.html

Then, this link: http://www.math.com/school/subject1/lessons/S1U2L2GL.html

Then, log into IXL using elhfishing2 and howard33

1. http://www.ixl.com/math/grade-8/solve-proportions

2. http://www.ixl.com/math/grade-7/do-the-ratios-form-a-proportion

 

8th Grade 12/4/13

Essential Question: How do I use the Pythagorean theorem on the coordinate plane?

Opening: using pythagorean theorem

Work Session:Missing Legs

Homework:

1.a=12 b=? c=19

2.a=? b=15 c=23

3.a=7.5 b=? c=19.5

Video: https://www.youtube.com/watch?v=OZp7ToriFko

Log in as elhfishing2  password howard33

1. http://www.ixl.com/math/grade-8/distance-between-two-points

2. http://www.ixl.com/math/geometry/distance-formula