New BuzzMath Activity – Word Problems Using Systems of Linear Equations

When am I ever going to use this? How many times do you hear these words in a math classroom? Students have been learning how to solve systems of linear equations using different methods including graphing, substitution and elimination. Now that they have experience and knowledge of these methods they will have the opportunity to apply their skills by solving problems involving real life situations using systems of equations in the activity, Word Problems Using Systems of Linear Equations.

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As students progress through this activity they will see the application of solving systems of linear equations in situations such as hiking and ordering salads and sandwiches. They will work through numerous problems practicing solving systems and using reasoning to determine the best method for each unique situation.

So when will you ever use the substitution method in real life? It might just be the next time you go to rent a video game. Check it out!

Click here to try : Word Problems Using Systems of Linear Equations.

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New Buzzmath Activity – Identify Functions of a Graph

For every tick there’s a tock, for every ying there’s a yang and for every input there is an output. Well, this is true if you are a function. What exactly is a function? What does a function look like? Identify Functions of a Graph will not only answer these questions for students, but will also give students the opportunity to explore, identify and interpret functions.

Identify-Functions-of-a-GraphStudents will be given numerous opportunities to investigate the concept that rules that take x as an input and y as an output is a function. They will use tables, equations, coordinate points and graphs to represent and identify functions. This activity serves as  a great introduction to a function and the many ways they can be identified and represented.

Click here to try: Identify Functions of a Graph

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New Buzzmath activity – Graphing Proportional Relationships

Remember those unit rates you taught way back when? Well we are using them again as we explore proportional relationships in graphs.

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Dollars per pound, amount paid per hour, miles per minute…We will look at them all as students explore the connection between the unit rate and the slope of a line. They will use this connection as they practice interpreting and comparing relationships represented in different forms including equations, tables, graphs and written situations.

I think it’s safe to say that the relationship between time spent and fun is a positive one in this activity!

Click here to try Graphing Proportional Relationships 

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New BuzzMath Activity – Locate and Compare Irrational Numbers

Will irrational ever be rational?

In the activity Estimating and Locating Irrational Numbers, students find rational estimations for irrational numbers, and approximate their locations on a number line. This entire activity is completed without the aid of a calculator.

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Early in the activity, students approximate irrational numbers as a number between two consecutive integers. They are provided with many interactive objects to help them with this task. Later in the activity, they learn how to get a very close approximation as a decimal to the nearest tenth or hundredth. This is a skill in which students can now act as a human calculator. Who knows…they may even use it to impress their friends!

Click here to try Locate and Compare Irrational Numbers

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New BuzzMath Activity – Rewriting Expressions when Problem Solving

At this level of the journey into mathematics, students are often writing expressions to solve problems. Many students, however, do not believe that this math applies to their daily lives. The activity Rewriting Expressions when Problem Solving is packed with familiar real world situations that allow students to write expressions in different forms and helps them to see different approaches to problem solving, as they deal with discounts, taxes, restaurant tips, trips to the movies, and more.

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By writing expressions in different ways, students get a good sense of the relationships between the quantities, and are able to use different approaches to finding solutions. Students will understand different ways to approach these familiar real world problems, and understand that they can be solved by looking at the problem in different ways. This activity may just make that trip to the mall or restaurant a bit more interesting!

Click here to try : Rewriting Expressions when Problem Solving

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New BuzzMath Activity – Comparing Functions

My function is bigger than your function. I’m pretty sure it is safe to say the magnitude of functions is very rarely the topic of a sibling or lovers quarrel, but if the subject did arise it would be extremely helpful to know how to compare functions.

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Comparing Functions begins by re introducing students to the concept of finding slope that they have learned in previous lessons. From there students use this concept to compare functions using the slope in various forms. Using situations that students are familiar with, such as text messaging and cake, they apply their understanding of comparing functions to solve a variety of problems.

Click here to try Comparing Functions

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How to introduce student to Scientific Notation?

How many pounds does an ant weigh? As you can imagine, not very many. In fact, much less than one pound and more like .000004 pounds. Now can you imagine the weight of a knat? Wow…it would be pretty small and have a lot of decimal places. How can we make these really small numbers easier to write and work with? Write them in scientific notation!

New BuzzMath Activity - Introduction to Scientific Notation

In Introduction to Scientific Notation students will encounter very large and very small numbers written in standard form throughout this activity in a variety of situations. They will learn and practice how to rewrite these numbers in scientific notation and see how it is easier to work with numbers in this form. Students will explore how scientific notation is used in the real world by weighing hummingbirds and butterflies as well as comparing the populations of various countries. This activity is guaranteed to make you 5 x 10^10000 times smarter. (This may be an exaggeration.)

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Click here to try : Introduction to Scientific Notation

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New BuzzMath Activity – Using Cube Roots to Represent Solutions to Equations

We’ve mastered the square….now bring on the cube! 

Using Cube Roots to Represent Solutions to Equations begins with connecting a students understanding and knowledge of working with square roots to the newer concept of cube roots. The exploration of patterns introduces students to the idea of cubing and taking the cube root of different values.

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As they work through the activity they are given numerous opportunities to reason and think as they problem solve with cube roots. Students will be challenged to put their knowledge to the test as they determine if a cubed box will fit into a specific spot.

Click here to try : Using Cube Roots to Represent Solutions to Equations

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What Math Practice Resource is Best for My Students?

When it comes to choosing resources that will enhance the learning and experiences of your students the process can be a little overwhelming. There are so many programs that all provide something a little different. So how do you decide?

You can do what Ms. Trautz did in her class and let the student’s decide! Ms.Trautz found 4 programs that she was interested in using with her math students, set up student accounts for all of them and then left it to her students to explore and evaluate each program. They were happy to take on the role of “guinea pig” and provide feedback on their experience.  Check out what the students had to say on Ms. Trautz’s blog.

 

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New BuzzMath Mission – ATTENTION: MISSING FORMULA!

While you may hear this a lot in your classroom as your students refer to a formula as “missing” when they have simply forgot it; this is different. This time a very important formula developed by Professor Quetelet has gone missing and he is requesting the help of students everywhere to join him on an exciting journey through Brussels to find it.

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Students will put what they have been learning and practicing to good use as they embark on this mission. They will be asked to analyze graphs to help an ice cream vendor, interpret graphs for a florist, navigate with a map to help a lost man and calculate percentages for a delivery man. Each time they successfully complete their tasks they will gain back pieces of the document that contain the formula. Students will not only emerge as heroes for retrieving this important formula that will later prove to impact the world, but they will also restore another part of the devastated BuzzCity.

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What formula could possibly be worth all of the commotion and effort to find?

Check out The Missing Formula

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