Secondary Math

Algebra & Geometry - Homework and Study Help - Free help with your Algebra homework
Can I take a course at HippoCampus for credit? How do I enroll in a course at HippoCampus? Are there any fees to take your courses? How do I make a comment or ask a question? How do I get individual help with my homework assignment? What are the preferred texts? How can I use HippoCampus in my classroom? How can I use HippoCampus in my home school? Can I use the resources you have available for my homeschoolers? Do you know of any wet lab resources to accompany HippoCampus content? Is there a script, app, or something that can be used to track student use of HippoCampus? Can I share my HippoCampus content with my fellow teachers? Can I download the video? Can I change the size of the video window? Why won't the Environmental Science animations play? What if my page scroll bars or "submit" button are not showing? I can't find closed captioning. Where does the content from your site come from? There is an error in the multimedia presentation. How do I report a course errata item? No. AP Course Ledger

Welcome to the wonderful world of Algebra 1 Online! This course contains both content that reviews or extends concepts and skills learned in previous grades and new, more abstract concepts in algebra. Students will gain proficiency in computation with rational numbers (positive and negative fractions, positive and negative decimals, whole numbers, and integers) and algebraic properties. New concepts include solving two-step equations and inequalities, graphing linear equations, simplifying algebraic expressions with exponents, i.e. monomials and polynomials, factoring, solving systems of equations, and using matrices to organize and interpret data. Students will be actively engaged using concrete and virtual materials and appropriate technologies such as graphing calculators and computer software. Mathematics has its own language, and the acquisition of specialized vocabulary and language patterns is crucial to a student’s understanding and appreciation of the subject.
Algebra 1 Online!

Algebra 1 Test Practice

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"Sheppard offers everything from early math to pre-algebra. The lessons include interactive activities to practice concepts. Students can shoot fruit, pop balloons, and even play math man (the math version of pac man!). Fractions, place value, money, and basic operations are some of the areas that are covered. Check it out at " --Shannon Jakeman , sjakeman.blogspot.com "Online math games, like the ones that you'll find for free at Sheppard Software, provide a valuable opportunity for children to learn a great deal while they're having fun. It can be very difficult for parents to find productive and worthwhile activities for children on the Internet; however fun online math games do offer a wonderful alternative. This free section of Sheppard Software was written for children. Sheppard Software offers a couple of cute games for the youngest math students. For slightly older kids, there are a number of very popular arcade-style "popup" math games.
Fun Kids Online Math Games

Time Games

Fraction Games

Game Dev Math

Essential Math for Games Programmers
As the quality of games has improved, more attention has been given to all aspects of a game to increase the feeling of reality during gameplay and distinguish it from its competitors. Mathematics provides much of the groundwork for this improvement in realism. And a large part of this improvement is due to the addition of physical simulation. Creating such a simulation may appear to be a daunting task, but given the right background it is not too difficult, and can add a great deal of realism to animation systems, and interactions between avatars and the world. This tutorial deepens the approach of the previous years' Essential Math for Games Programmers, by spending one day on general math topics, and one day focusing in on the topic of physical simulation. It, like the previous tutorials, provides a toolbox of techniques for programmers, with references and links for those looking for more information. Topics for the various incarnations of this tutorial can be found below. Slides

Game Development Math Recipes
One of the most daunting aspects of game development for many people is the mathematics involved. The following are a collection of recipes that go into detail on how to perform a number of common math related tasks. Each example ships with at least one working demonstration application (written in JavaScript using EaselJS), with complete source code. Don’t worry if your language of choice is C++, C# or Java, the JavaScript code is easily ported to any C derived language. In every case the code is written to favour readability over performance. Velocity and angular velocity Got something you want to make move? Tutorial Link Rotating one object relative to another Rotating about the origin is easy, but sometimes you want to rotate relative to the location of another object. Tutorial Link Rotating to face another object Sometimes you want to rotate to look at another object. Tutorial Link Collision detection using a bounding circle Tutorial Link Handling sprite based shooting Tutorial Link

Fourth Revision, July 2009 This is a tutorial on vector algebra and matrix algebra from the viewpoint of computer graphics. It covers most vector and matrix topics needed to read college-level computer graphics text books. A mirror site that contains this material is: Mirror Site Computer graphics requires more math than is covered here. Although primarily aimed at university computer science students, this tutorial is useful to any programmer interested in 3D computer graphics or 3D computer game programming. This tutorial is useful for more than computer graphics. These notes assume that you have studied plane geometry and trigonometry sometime in the past. These pages were designed at 800 by 600 resolution. Some sections are years old and have been used in class many times (and hence are "classroom tested" and likely to be technically correct and readable). The zip file contains all the above instructional material as of August 22, 2003.
Vector Math Tutorial for 3D Computer Graphics

Games by Grade and Unit Below are a number of resources for parents to further supplement lessons with online games to play at home. The links below may provide students with an opportunity for practice. These websites are not connected to CEMSE or to Everyday Mathematics and our posting them does not constitute an endorsement. Kindergarten Grade 1 Unit 3 Patterns and Counting Unit 7 Geometry/Attributes Unit 9 Place Value/Fractions Grade 2 Unit 1 Numbers and Routines Unit 2 Addition Subtraction Facts Unit 3 Place Value, Time & Money Unit 4 Addition Subtraction Unit 6 Whole Number Operations Unit 7 Patterns and rules Unit 10 Place Value and Decimals Unit 11 Whole Number Operation Grade 3 Unit 4 Multiplication & Division Unit 7 Multiplication/ Division Unit 9 Multiplication/ Division Grade 4 Unit 1 Name/Construct Geometric Figures Unit 3 Multiplication and Division Unit 10 Reflection & Symmetry Grade 5 Unit 2 Estimation and Computation Unit 3 Geometry Explorations Unit 5 Fraction, Decimal & Percent
Everyday Mathematics

Screen reader users: click here for plain HTML MoreEven more from Google Sign in Satellite Traffic Photos Terrain Bicycling Exit Edit in Google Map MakerReport a problem Map data ©2015 Google - 200 m 1000 ft Australia Not your current location? Google Maps - ©2015 Google - Terms of Use - Privacy To see all the details that are visible on the screen, use the "Print" link next to the map. Is something missing? Edit Google Maps. Edit Ignore
Google Maps Springvale

World Population: Past, Present, and Future (move and expand the bar at the bottom of the chart to navigate through time) The chart above illustrates how world population has changed throughout history. View the full tabulated data. At the dawn of agriculture, about 8000 B.C., the population of the world was approximately 5 million. Over the 8,000-year period up to 1 A.D. it grew to 200 million (some estimate 300 million or even 600, suggesting how imprecise population estimates of early historical periods can be), with a growth rate of under 0.05% per year. A tremendous change occurred with the industrial revolution: whereas it had taken all of human history until around 1800 for world population to reach one billion, the second billion was achieved in only 130 years (1930), the third billion in less than 30 years (1959), the fourth billion in 15 years (1974), and the fifth billion in only 13 years (1987). Wonder how big was the world's population when you were born? Growth Rate Jews
World Population Clock: 7.5 Billion People (2017)

Math playground

Primary 4 maths practice

Grade 5 math practice

Introduction to rational and irrational numbers | Rational and irrational numbers

Khan Academy

How to Find Slope from Graph. Tutorial, Examples , Practice Problems
Video Tutorial on Finding Slope from The Graph Example 1 Find the slope of the line in the graph below Step 1 Plot and label 2 points on the line, anywhere on the line. Step 2 Calculate the rise and run (You can draw it on the graph if it helps). Step 3 Use the slope formula. The slope is 2/4, which , of course, you can simplify to ½. Practice Problems Problem 1 Find the slope of the line in the picture below. Plot and label 2 points on the line, anywhere on the line. Calculate the rise and run (You can draw it on the graph if it helps) Problem 2 Calculate the slope in the graph below. Problem 3 What is the slope of the line graphed below. Problem 4 Determine the slope of the line graphed below.

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Online Math Games for Kids

Khan Academy

Area and Perimeter

Math facts

As I was looking over my presentation for this week at NCTM and getting sidetracked by checking Tweets about NCSM (which I didn’t get to attend this year), I saw a few tweets about Steven Leinwand and Patsy Kanter’s presentation at NCSM and how well it connects to my presentation for NCTM (tomorrow, 4/14) and it sparked me to write this post about building addition and multiplication fact fluency. I wrote a book a few years ago that included this addition fact chart and since then I also created one for multiplication: I share these with teachers when I do math professional development trainings, but I’ve never written about them on here. 4 Types of Addition Facts: Orange: Doubles Green: Make 10 Blue: 10 + something Purple: Adding Zero 4 Types of Multiplication Facts: Green: x2 Red: x10 Blue: x5 Purple: Properties (x1 and x0)
Fact Fluency Part 1: 4 Types of Addition & Multiplication Facts - The Recovering Traditionalist

The Recovering Traditionalist - Working to help teachers think outside the traditional way of doing, and teaching, mathematics.

Multiplication Bingo has long been one of my favorite games, and I recently introduced it to students who have been committing the multiplication facts to memory. (More about how the students are studying the multiplication facts appears at the end of the blog.) Also, several different versions of the game allow for varying and differentiating the experience, making it a good addition for the class Math Menu. First a Caveat about Understanding vs Memorization Years ago I had a conversation with Paul, a fourth grader. When I probed Paul’s thinking, I learned that he saw each multiplication fact as a separate piece of information to memorize. Introducing Multiplication Bingo: Version 1After talking with the students about playing Bingo, I told them I had a math version for them to play, Multiplication Bingo. I showed the class two 1–6 number cubes and explained, “I’m going to roll these two cubes and we’ll multiply the two numbers that come up. “Ready to play?” , some didn’t.
Multiplication Bingo | Marilyn Burns Math Blog

Math fun 3/4

Easier Fibonacci Number puzzles
All these puzzles except one (which??) have the Fibonacci numbers as their answers. So now you have the puzzle and the answer - so what's left? Puzzles on this page have fairly straight-forward and simple explanations as to why their solution involves the Fibonacci numbers;. 0, 1, 1, 2, 3, 5, 8, 13, 21, 34, 55, 89, 144, 233, 377, 610, 987 ..More.. Fibonacci numbers and Brick Wall Patterns If we want to build a brick wall out of the usual size of brick which has a length twice as long as its height, and if our wall is to be two units tall, we can make our wall in a number of patterns, depending on how long we want it: There's just one wall pattern which is 1 unit wide - made by putting the brick on its end. Look at the number of patterns you have found for a wall of length 1, 2, 3, 4 and 5. Variation - use Dominoes A domino is formed from two squares. In mathematics, this is called tiling problem using dominoes and we wish to tile an area 2xn. Leonardo's Lane Boat Building Ones and Twos . .

Count On
Fibonacci Puzzles The Fibonacci Numbers are a sequence of numbers that start with 0 and 1. The rest of the series is determined by a simple rule: Add the latest two numbers to get the next one. Here are some puzzles where the answer is "The Fibonacci Numbers"! Puzzle 1: Brick Wall Patterns I have a supply of bricks, where each one is twice as long as it is wide. The answer depends on how long the path is going to be. Tip: Since ordinary dominoes are made up of two squares, they make idea "bricks" to experiment with for this puzzle. There is only one way to make a path 1 unit long, which is with 1 brick,but there are two patterns for a path of length 2 and three patterns for a path of length 3.How many brick patterns can you find for a path of length 4? Puzzle 2: Leaping up the stairs When I'm in a hurry, I leap up the stairs two at a time - until I get tired and go back to one at a time if it is a very long set of stairs. This gives a total of three patterns for three stairs.

Fibonacci Sequence
The Fibonacci Sequence is the series of numbers: The next number is found by adding up the two numbers before it. The 2 is found by adding the two numbers before it (1+1) The 3 is found by adding the two numbers before it (1+2), And the 5 is (2+3), and so on! Example: the next number in the sequence above is 21+34 = 55 It is that simple! Here is a longer list: Can you figure out the next few numbers? Makes A Spiral When we make squares with those widths, we get a nice spiral: Do you see how the squares fit neatly together? The Rule The Fibonacci Sequence can be written as a "Rule" (see Sequences and Series). First, the terms are numbered from 0 onwards like this: So term number 6 is called x6 (which equals 8). So we can write the rule: The Rule is xn = xn-1 + xn-2 where: xn is term number "n" xn-1 is the previous term (n-1) xn-2 is the term before that (n-2) Example: term 9 is calculated like this: Golden Ratio And here is a surprise. Using The Golden Ratio to Calculate Fibonacci Numbers Example: History

Math Monday

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Number Munchers : MECC : Free Streaming

Molly Adds Up to 10

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MRI Math Connections: Intel Math + MLC

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