A+Math -Play interactive games such as Math Bingo, Hidden Picture, and Concentration while practicing basic math skills. 

Angle Practice- Figure out the angle of your laser to shoot the spaceship.

Area : calculate the correct area of a figure to reveal the pieces of a hidden picture.  

Coolmath4kids . Math games for all levels.  

Elapsed Time practice determining the elapsed time given a starting time and an ending time.  

English-Spanish Math glossary :  

Fraction Concentration.  

 Fraction Race Car : correctly name the fraction and race the car.  

Fractions choose from four fractions games.  

 Fraction Fun- What fraction of the pizza is left?

 Fraction Flags Halves-Design a flag using halves and quarters

 Fraction Flags Thirds-Design a flag using thirds

Fraction Four : a 2-player activity. Answer questions about fractions and decimals to play Connect Four.  

Fraction Practice: Equivalent fractions, comparing fractions, and more.  

Funbrain . Math games, quizzes and labs for kids and parents. Top of page displays the most popular games. Click on the age levels to select more games. .   

Geometry: Exploring Geometric Solids Have fun rotating solid shapes. Learn about faces, corners, vertices, edges.  

Geometry : Virtual geoboard lets you stretch rubberbands to make shapes.  

Math Dictionary for Kids : an animated, interactive dictionary of over 500 math terms.  

Harcourt E-lab site . These activities require printing out a recording sheet (available on the site).  

Harcourt Math Glossary :  

Illuminations- National Council of Teachers of Mathematics (NCTM) site that has 90 online activities, lessons and much more.  

Mad Math Minutes practice basic math skills in addition, subtraction, multiplication, and division. You pick the number of and types of problems that you want to practice.  

Math Baseball - a fun baseball game to practice addition, subtraction, division, and multiplication skills.  

Math Fact Cafe . Click on Flashcards to practice addition, subtraction, multiplication and division facts. Problems are divided into difficulty level for 1st, 2nd or 3rd grades. (includes fractions)  

Math Facts . Math Tic Tac Toe. Solve math facts to play.  

MCPS Web Curriculum Resources for Elementary Math  

Measurement : practice reading a ruler in inches or centimeters.  

Multiplication: 2 digit multiplication with regrouping.  

National Library of Virtual Manipulatives for Interactive Mathematics. Mouse over the table to select a math category and grade level.  

Place Value you are asked to click on the digit with a certain place value (thousands down to ten thousandths).  

Probability Game -This game has 3 levels of difficulty. Determine the probability of catching a red fish in a fish tank, OR distribute the red and yellow fish to illustrate a given probability.  

 Rounding to the nearest 10-Click the spaceship with the correct answer and it will be sent on its way 

Symmetry Around the World - images of real world symmetry.