July 2011 Blog Posts (23)

Ratio and Rate Problems

Ratio and Rate Problems

We will use real world examples to solve ratio and rate problems. To solve ratio and rate problems you can use equivalent ratios with multiplication and division:

 

Example 1: A survey found that 12 out of…

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Added by Wanda Collins on July 29, 2011 at 5:30pm — No Comments

Office Depot Teacher Appreciation Day

OFFICE DEPOT'S FREE TEACHER APPRECIATION EVENT STARTS SATURDAY. HERE ARE THE DETAILS:

20% instant discount:
Maximum discount of $20.00. Offer valid in Office Depot stores only (excludes clearance stores) and excludes purchases of 1) gift cards, 2) all consumer… Continue

Added by Wanda Collins on July 27, 2011 at 12:43am — No Comments

Staples Teacher Appreciation Day

Attention teachers don’t forget about the upcoming Staples Teacher Appreciation Day 2011 …

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Added by Wanda Collins on July 26, 2011 at 11:43pm — No Comments

Office Max Teacher Appreciation Day



Mark your calendars for Office Max Teacher Appreciation Day. This year it is TWO DAYS! ( July 31st and August 1st, 2011! :) All teachers (home educators included) will receive a free re-usable shopping bag and will receive 20% off everything you can fit in it.



Office Max also has some free…

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Added by Wanda Collins on July 26, 2011 at 11:24pm — No Comments

Equivalent Ratios

                                                   Equivalent Ratios

We will determine whether or not two ratios are equivalent. When two rates have the same unit rate, they are equivalent. Suppose one quantity of 10 prints from a digital camera cost $2  and a second quantity of 30 prints cost $6. These two quantities are equivalent because they both have a unit rate of…

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Added by Wanda Collins on July 26, 2011 at 3:35pm — No Comments

Rates

                                                 Rates

We will determine unit rates.

Rate: A rate is ratio that compares two quantities with different units like miles per hour.

Unit rate: A unit…

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Added by Wanda Collins on July 22, 2011 at 5:30pm — No Comments

Median, Mode, and Range

                         Median, Mode, and Range

Median- When you arrange the given set of data from least to greatest, the median will be the number in the middle or it would be the mean of the two middle numbers.

Mode- The mode of a given set of data is the number that…

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Added by Wanda Collins on July 22, 2011 at 4:59am — No Comments

Find the Mean

                                         Find the Mean

To find the mean of a given set of data, you need to add up all data and divide by the number of pieces of the data.

 

Example:

1). Marsha earned $15, $20, $10,…

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Added by Wanda Collins on July 22, 2011 at 4:12am — No Comments

Divide by Fractions

                                                         Divide by Fractions

We will divide whole numbers by fractions.

Examples:

1).…

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Added by Wanda Collins on July 22, 2011 at 3:30am — No Comments

Multiply Fractions

                                Multiply Fractions

 

We will multiply fractions and whole numbers.

Examples:

1).…

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Added by Wanda Collins on July 22, 2011 at 2:31am — No Comments

Divide by Powers of 10

                                          Divide by Powers of 10

 

We will divide by powers of 10 greater than 1. 

Examples:…

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Added by Wanda Collins on July 22, 2011 at 12:58am — No Comments

Multiply by Powers of 10

                                          Multiply by Powers of 10

We will Multiply by a Power of 10 greater than 1.

Examples





1). 5.98 X 10,000

     5.98 X 10,000: 10,000 has 4 zeros so we need to move the decimal point 4 places to the right.…

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Added by Wanda Collins on July 22, 2011 at 12:16am — No Comments

Divide Decimals

                                          Divide Decimals

We will divide decimals by whole numbers:

Examples:



You can divide decimals as you would whole numbers: Dumb Monkey's Smash Bananas (Divide, Multiply, Subtract, Bring…

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Added by Wanda Collins on July 21, 2011 at 11:00pm — No Comments

Multiply Decimals

                                    Multiply Decimals



 …

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Added by Wanda Collins on July 21, 2011 at 9:39pm — No Comments

Add and Subtract Mixed Numbers

Add and Subtract Mixed Numbers

In this lesson, we will add and subtract mixed numbers.

Examples:…



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Added by Wanda Collins on July 21, 2011 at 6:53pm — No Comments

Add and Subtract Mixed Numbers

Add and Subtract Mixed Numbers

In this lesson, we will add and subtract mixed numbers.

Examples:…



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Added by Wanda Collins on July 21, 2011 at 6:53pm — No Comments

Add and Subtract Decimals

Add and Subtract Decimals

 

When you add or subtract decimals, you have to line up the decimal points. Once the decimal points are lined up, then add or subtract.

 

Examples:

 

1). 7.2 + 9.5…

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Added by Wanda Collins on July 21, 2011 at 1:30pm — No Comments

1,000+ Members!

I am so grateful and honored you decided to join Math Concentration.  I want to say THANK YOU, THANK YOU, THANK YOU to the many people here and their contributions to our online family. As parents, teachers, and students we get busy and overwhelmed. Thank you for your support and coming back to the site.

 

To show our appreciation, this month we are giving away a $50 Amazon Gift…

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Added by Wanda Collins on July 17, 2011 at 2:12pm — 2 Comments

Math Concentration's Math Video Tutorial Contest

Math Concentration is hosting an online math video tutorial contest. Math Concentration is a social network that offers free math homework help via forum, chat, instant messaging and a virtual whiteboard. Math Concentration promotes numeracy, building healthy parent/teacher relationships, and fostering students to become product citizens in society. So register today to upload your math video tutorial for a chance to win a $200 Visa Gift Card! Remember, winners are chosen by highest vote…

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Added by Wanda Collins on July 10, 2011 at 10:30pm — 21 Comments

How to Use Twitter to Find Math Resources

As a teacher, I am sure you are always looking for resources you can use in your classroom. The internet made it easier for teacher to have access to free and low cost resources from around the world. I have found one resource called Twitter. You can use Twitter to find Math Resouces with #Hashtags. The #hashtags help to organize Twitter and spread information more efficiently. Most Twitter users append certain hashtags to tweets about a topic so it becomes easier…

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Added by Wanda Collins on July 10, 2011 at 2:26pm — No Comments

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Notes

Figure This Challenge #56

  • Complete Solution will be given on May 17, 2015

Complete Solution:

 …

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Created by Wanda Collins May 10, 2015 at 1:56pm. Last updated by Wanda Collins May 10, 2015.

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Fun Math Facts:

Math Limerick

Question: Why is this a mathematical limerick?

( (12 + 144 + 20 + 3 Sqrt[4]) / 7 ) + 5*11 = 92 + 0 .

Answer:

A dozen, a gross, and a score,
plus three times the square root of four, divided by seven, plus five times eleven, is nine squared and not a bit more.

---Jon Saxton (math textbook author)

Presentation Suggestions:
Challenge students to invent their own math limerick!

The Math Behind the Fact:
It is fun to mix mathematics with poetry.

Resources:

Su, Francis E., et al. "Math Limerick." Math Fun Facts.

funfacts

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