Math Skills

Rob Welcher
  • Rob Welcher

  • .(JavaScript must be enabled to view this email address)
  • 773.465.2662 x8484
  • Biography

Th 3/26 - NO HW

Thursday, March 26, 2015

Since we did not meet today, there is no homework. Break a leg with your show.

W 3/25 - HW for Th

Wednesday, March 25, 2015

p. 10 - #12-18

p. 11 - #13-24

This is to be turned in at the beginning of class on Thursday

T 3/24 - HW for W 3/25

Tuesday, March 24, 2015

Do 'checks' as shown in class for all your answers for p. 10 #1-11 & p. 11 #3-4, 7-12. This will be handed in at the beginning of class on Wednesday.

F 3/6 - for Wednesday

Friday, March 6, 2015

All of HW #3 - Algebra

If you need help, have Mrs. Hartz let me know and I will visit your class on Tuesday.

Th 3/5 - for Friday

Thursday, March 5, 2015

Physics - If you haven't turned it in already - Snow Globe Reality and Washing Washington

Math - All of Algebra HW #2

F 2/20 - Math & Physics

Friday, February 20, 2015

Math: No Homework over break

Physics: Block Book pages for:

  • Thermal #2 - Snow Globe
  • Optical #1 - Washing Washington

Th 2/19 - Math and Physics

Thursday, February 19, 2015

Physics -

  • Block Book to date
    • Thermal #3
    • Hydraulics #1, 2, 3, & 4
  • Thermal #1 - due
  • short quiz

Math

  • Algebra #1

W 2/18 - Physics and Math

Wednesday, February 18, 2015

Math - No homework - if you would like to get ahead, start Algebra HW #1

Physics - Homework

  • Write-up of Hydraulics #5 - Magdeburg Hemispheres - aka "Physics Sucks!"
  • Do final observations on Thermal 1 - be ready to share tomorrow
  • Be preparing Block Book Pages that have been returned - Block Book (to-date) is due on Friday
  • Block Quiz...
[read more]

M & T 2/16 & 17 - Math/Physics

Tuesday, February 17, 2015

Enjoy your field trip with the Viroquians.

We'll start a new section this week in math.

Physics - keep working on your block book pages.
 

F 2/13 - Phyics and Math

Friday, February 13, 2015

Math:
No math homework - unless you were absent today and need to make up your test. Then study for it.

Physics:
Monday - write up of Hydraulics #3 (Pressurizing My Holes) & #4 (Sponge Bob Squirty Pants) are due
Tuesday - write up of Hydraulics #5 (to be named) is due

Th 2/12 - Math/Physics for F 2/13

Thursday, February 12, 2015

Math:
Test on percentages tomorrow. See attached document for the extra practice questions and solutions.

Physics:
Write up of Hydraulics #2 (Those Aren't Fish) is due
Monday - write up of Hydraulics #3 & #4 are due
Tuesday - write up of Hydraulics  #5 is due

 

W 2/11 - Physics/Math

Wednesday, February 11, 2015

Math:
Study for test Friday. In particular, using Quiz from Tuesday and your homeworks, study those items you have the most challenges with. Bring qeustions about them to class.

Physics:

  • Block Book Pages for Thermal #3 - "I Can't Use That Kleenex" are due tomorrow
  • Block Book Pages for Hydraulics #2 - "Those Aren't Fish" are due on...
[read more]

T 2/10 - Physics/Math

Tuesday, February 10, 2015

Math:
Use today's quiz to:

  • Decide what types of questions you still need to work on to be prepared for the test.
  • Find other types of questions that were not on the quiz, but that could be on the test.
  • Try some of those at home tonight. Come to class ready to try others.

Physics:

  • For each of the nine cubes:
    • Calculate the...
[read more]

Physics -

Monday, February 9, 2015

Make sure you are logging your at home observations. This will be going into your block book.

Physics and Math F 2/6

Friday, February 6, 2015

Math - Prepare for Quiz on T and exam on F - Topic: Percents and Growth
 

Physics - write up (block book ready) Hydraulics Experiment #1: Diving into Pressure
There are three parts to the experiment, each with a Procedures section and an Observations section. After the three parts, there is a Relationships/Discoveries section. You should...

[read more]

Physics and math Th 2/5

Thursday, February 5, 2015

Math homework - Percents HW #6 - questions #25-26
Quiz on T 2/10; Exam on F 2/13

Physics - daily observation of outdoors - recording date, time, temp, weather conditions, etc.

Physics and math - W 2/4

Wednesday, February 4, 2015

Math homework - Percents HW #6 - questions #13-24

Physics - daily observation of outdoors - recording date, time, temp, weather conditions, etc.

T 2/3 - Math and Morning Lesson

Tuesday, February 3, 2015

Math: Percents HW #6 questions #1-12 due on Wednesday

Physics: write up of Thermal #2 & Hydraulics #1 - include procedures and observations

F 1/9 - Percents - HW for T 1/13

Friday, January 9, 2015

Finish #1-3 on Group Worksheet #2. Try #4, but don't stress if you aren't sure how to do it. We will work on it together in class on Tuesday.

T 1/6 - Percents - HW for W 1/7

Wednesday, January 7, 2015

Finish HW #1, if you haven't already

Complete Group Worksheet #1 through question #4. You do NOT have to do #5 & 6, yet. We'll talk about them in class tomorrow. You may try them if you want.

T & W 12/16 & 17

Wednesday, December 17, 2014

Tuesday - finish Percentages HW #1

Wednesday - finish question #1 on Group Worksheet #1

F 12/12 - Finish test on M

Friday, December 12, 2014

If you did not finish the test today, you may have more time after lunch on Monday. I will come to your classroom. Do not go to the library.
 

T & W 12/9 & 10 - Test on Friday

Wednesday, December 10, 2014

Well done 8th grade! You are rocking the Pythagorean Theorem. Tonight and tomorrow work on a study guide for the Pythagorean Theorem section. We will have the exam on Friday.

F 12/5 - Phythagorean Theorem - due T 12/9

Friday, December 5, 2014

On HW #4 complete up through #4. Ideally, try #5-7 also.

Reminder: we will have an exam on Pythagorean Theorem before break. Perhaps F 12/12 or T or W of the following week.

W 11/19 - HW for Th 11/20 - Pythagorean Theorem

Wednesday, November 19, 2014

On Group Worksheet #2 - complete #1, 2, 4, & 5. Save further work on #3 for class on Thursday.

Alternate assignment (Only do this if I assigned this to you specifically in class.)
Finish #4 on HW #1, complete #1 & 2 on Group Sheet #2.

Th 11/13 - Square Root Algorithm

Thursday, November 13, 2014

Part 1
Using the algorithm (method) we learned and practiced in class, find the square root of the following numbers:
0 a) 892.156
0 b) 643.1296
1 a) 613089
1 b) 1004.89
1 c) 71

If you do not find an exact answer round to three decimal places (this means, use the algorithm to determine 4 decimal places then round to three decimal places)....[read more]

T 11/11 - Homework for W 11/12 - Square root algorithm

Tuesday, November 11, 2014

Finish finding the square root of 7203856. In class we decide it had 4 digits, ends in a 4 or 6, and begins with 26. Using the method we did in class, find the final two digits and therefore the square root of 7203856.

F 11/7 - Homework for T 11/11

Friday, November 7, 2014

Draw, label and cut two more 8 x 8 squares as we had done in class today. Use only whole number divisions.

Th 11/6 - HW for Friday

Thursday, November 6, 2014

From the work we did in class:

  • Complete the table of X and X^2. Do this by hand - show your work - do not use a calculator.
  • Then complete the 'n' and its square root digits table that we began in class.
  • Then using the method we discussed and practiced in class, find the first digit of the square root of the following numbers. Show your...
[read more]

W 11/5 - Homework for Th

Wednesday, November 5, 2014

Ponder the question below and try to come up with three ideas that could work for this. You must write it out, having it prepared to hand in, and you should be prepared to discuss in class.

  • Given a certain number, how can we know exactly what the first digit of its square root is?

T 11/4 - Relax

Tuesday, November 4, 2014

You did a great job on today's exam. Relax a bit tonight or catch up on other homework or class work.

W 10/29 - Test on T 11/4

Wednesday, October 29, 2014

You should be spending 15-30 min per day studying for the Number Bases test on Tuesday, November 4. Studying entails working through a variety of problems. The class created a list of areas and types of problems in class on Friday and Tuesday. Use that to guide your studying. You also created 4-6 example problems in class today and shared...

[read more]

F 10/24 - Prep for exam on number bases

Friday, October 24, 2014

Use the study guide we worked on in class today to start studying for our exam on number bases.

I will be in your classroom at 12:40 on Monday for anyone who needs extra time for Thursdays quiz and to answer questions.

F 10/17 - Number Bases - for T 10/21

Friday, October 17, 2014

Group Worksheet #7: #1, 2, & 4 (You may try number 3 on your own, but we will work on it in class on Tuesday.)

Hexadecimal Art Project is due on Tuesday 10/21. Almost everyone had met our 2/3 goal for the check in on Thursday 10/16. So, I think you are looking good to finish the project on time. Remember, it doesn't have to be done in 2-3...

[read more]

Th 10/16 - Bases - for 10/17 and 10/21

Thursday, October 16, 2014

Finish Number Bases HW #6, if you haven't already. You MUST try the two challenges to get a full check on the assignment. Do the division in the base! It's the same process (algorithm) as for long division in decimal.

Keep working on your art project. The final version is due on Tu 10/21. 15 minutes at a time gets the job done.

W 10/15 - HW for Th 10/16 - bases

Wednesday, October 15, 2014

Homework: HW #6 - first two columns. Finish all three columns for bonus points

Reminder: Last check in on art project is tomorrow. 2/3 of it should be colored for this check-in. Project is due on T 10/21.

T 10/14 - HW for W 10/15 - Bases

Tuesday, October 14, 2014

Please, finish Number Bases Group Worksheet #6, which we you worked on in class today for 25 minutes, for class tomorrow.

Continue working on your art project. The next check-in is Thursday, when you should be finished with at least 2/3 of all coloring.

Homework for weekend of 10/11-13

Friday, October 10, 2014

Complete Bases Homework #5 by Tuesday

Work on hexadecimal art project. Updated due dates:
- Th 10/16 - check in - at least 2/3 of coloring should be complete (how many squares is this? don't use a calculator)
- T 10/21 - turn in complete art project

Th 10/9 - HW for T 10/14 - Bases

Thursday, October 9, 2014

Complete Homework #5 by Tuesday

Work on hexadecimal art project. Updated due dates:
- Th 10/16 - check in - at least 2/3 of coloring should be complete (how many squares is this? don't use a calculator)
- T 10/21 - turn in complete art project

If you are not visiting the high school on Friday, you should bring both HW #5 and art project...

[read more]

W 10/8 - work on art project

Wednesday, October 8, 2014

If you were in class today - work on project. Your goal is to be finished coloring 1/4 of it by Thursday.

If you were NOT in class today (you were in the high school), do not start coloring unless you have shown me step #6 already. You may start working on HW #5.

T 10/7 - work on project

Tuesday, October 7, 2014

If you were in class today - work on project. Your goal is to be finished coloring 1/4 of it by Thursday.

If you were NOT in class today (you were in the high school), do not start coloring unless you have shown me step #6 already. You may start working on HW #5.

F 10/3 - HW for Tuesday 10/7

Friday, October 3, 2014

for Tuesday:

  • Finish Group Worksheet #5
  • Finish the art project through step #6 - see your instructions for details or the file attached to previous posts

Th 10/2 - No HW for Friday

Thursday, October 2, 2014

To help reduce stress levels, there is no math homework or a quiz tomorrow. If you need a block test study break, do some math - Group Worksheet #5.
 

T 9/30 - HW for W 10/1 - 8th grade

Tuesday, September 30, 2014

Homework - due tomorrow (W 10/1)

  • Finish Group Worksheet #4, if you didn't finish it in class
  • Finish the art project through step #5 - bring to class
    • If you are finished with step #5, try to finish step #6
    • Do NOT move on to step #7, but you may start considering the 16 colors you will use for this step
    • If you don't have a copy of...
[read more]

W 9/24 - 8th grade

Wednesday, September 24, 2014

Homework: Work on Steps #5 & 6 of the Hexadecimal Art Project. Step #5 should be complete by Tuesday. It would be ideal if Step 6 is also completed by Tuesday. It will be ok if you only get one or two of the other 16 x 16 squares finished with their patterns.

Hexadecimal Art instructions:
5. Write the Hexadecimal Times Table in this 16 x...

[read more]

T 9/23 - 8th grade - Number Bases

Tuesday, September 23, 2014

ATTENTION: The art project task that is scheduled as due tomorrow is postponed a day.

Homework: Finish the hexadecimal times table. Make any adjustments or changes to your project that we discussed today when I looked at them.

F 9/19 - Number Bases

Friday, September 19, 2014

Homework - due on T 9/23:

  • Finish questions #9-14 on Group Worksheet #3
  • Complete Step #4 (see instruction sheet - as handed out and as posted on messageboard (9/16)) of Hexadecimal Art Project - bring to class on Tuesday (If possible I will post an example of where things shouild be).

T 9/16 - 8th grade - Number Bases

Tuesday, September 16, 2014

Homework:

  • Finish question #15 from Group Worksheet #3
  • Get your poster board for your art project - directions and due dates are in attached document (but don't do anything beyond step #3 until I meet with you on Friday)


 

F 9/5 - HW

Friday, September 5, 2014

Please, finish Number Bases Homework #1 over the weekend. Also, please, try to think of a way to explain to a friend who doesn't know number bases how to convert from octal to decimal and decimal to octal.

W 9/3 & Th 9/4

Thursday, September 4, 2014

Wednesday 9/3: Homework - finish Group Worksheet #1 - question #5

Thursday 9/4: Homework - Homework #1 - questions 1-3 (except scientific notation on #1), you may try #4 & #5 if you want.