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# Coordinate plane: games, activities, and worksheets online

This is an annotated and hand-picked list of online games, worksheets, and activities for coordinate plane, suitable for grades 4-7.

**Coordinate plane**

**Coordinate Grid Worksheets**

Students either plot points, tell the coordinates of points, plot shapes from points, reflect shapes in the x or y-axis, or move (translate) them up, down, left, or right. You can customize the worksheets choosing the number of problems, workspace, border around the problems, and more.

www.homeschoolmath.net/worksheets/

**Billy Bug Returns at Primary Games**

Move Billy Bug to the feeding place with given coordinates.

www.primarygames.co.uk/pg2/bug2/bug2.html

**Catch the Fly**

Wait for the fly to land on the coordinate grid, then type its coordinates, and a frog will eat it.

hotmath.com/hotmath_help/games/ctf/ctf_hotmath.swf

**Looking for the Top Quark Game**

Eeach player receives six quarks that they hide on a grid. The players use coordinates to find their opponent's hidden quarks.

education.jlab.org/topquarkgame/

**Co-ordinate Game**

You will see a red circle on the grid. Enter the co-ordinates and click "check."

www.bgfl.org/bgfl/custom/resources_ftp/

**Graphit**

A graphing tool that plots both functions and ordered pairs.

www.shodor.org/interactivate/activities/Graphit/

**Graph Mole**

A fun game about plotting points in coordinate plane. Plot points before the mole eats the vegetables.

funbasedlearning.com/algebra/graphing/default.htm

**Key to Geometry Workbooks**

Here is a non-intimidating way to prepare students for formal geometry. *Key to Geometry* workbooks introduce students to a wide range of geometric discoveries as they do step-by-step constructions. Using only a pencil, compass, and straightedge, students begin by drawing lines, bisecting angles, and reproducing segments. Later they do sophisticated constructions involving over a dozen steps-and are prompted to form their own generalizations. When they finish, students will have been introduced to 134 geometric terms and will be ready to tackle formal proofs.

**Coordinate Grid Quiz from ThatQuiz.org**

This quiz has 10 questions and asks to either plot a point or give the coordinates of a given point. You can also modify the quiz parameters to your liking.

www.thatquiz.org/tq-7/?-j8-l5-m2kc0-na-p0

**Function Flyer**

Create graphs of functions but also allows the manipulation of
constants and coefficients in any function so the user can explore the effects on the graph by changing those numbers. Great tool!

www.shodor.org/interactivate/

**Rate of Change in Linear Functions**

These great interactive graphs illustrate the concepts of linearity and slope. Users can drag a slider to modify a rate of change (cost per minute for phone use) and learn how modifications in that rate affect the linear graph displaying accumulation (the total cost of calls). The discussions provided help the teacher in how to use them.

www.nctm.org/standards/content.aspx?id=26883

**Desmos**

A free, online graphing calculator that is incredibly easy and intuitive to use, yet very powerful. You can use parameters with sliders, define your own functions and constants, graph inequalities, derivatives, and more. You can save, email, print, and embed your graphs.

www.desmos.com

See also the graphing software section.

## Books

**Dr. Math Introduces Geometry: Learning Geometry is Easy! Just ask Dr. Math!**

A supplement to middle school geometry, *Dr. Math Introduces Geometry* has a light tone, clear layout, and humorous cartoons by Jessica Wolk-Stanley. The best part is that the explanations to math questions are accurate and clear. You'll find answers to dozens of real questions from students who needed help understanding the basic concepts of geometry. This book covers angles, triangles, quadrilaterals, area, perimeter, Pi, circle parts, polyhedra, surface area, volume, nets, congruent transformations, and symmetry. Price ~$12 new, ~$6 used.

www.amazon.com

**Harold Jacobs Geometry**

A popular choice for geometry among homeschoolers, and well written. Please also read my review.

**Geometry: A Guided Inquiry**

An excellent choice for high school geometry. I've written an in-depth review of this book and of its supplement *Home Study Companion - Geometry*, latter by David Chandler.