Third Grade Math

Third Grade Math

Number Sense

100 Square - investigate patterns made by multiples of numbers in a 100 square. If that's too easy, try the n-square investigation

An interactive doodle that plays with the concept that multiplication is repeated addition and division is really repeated subtraction.

Use the arrow keys to guide the number cruncher around the screen, collecting multiples as you move.

Place Value

Identify place value of digits and round numbers up to thousands.

How many tries do you need to guess a number between 1 and 999?

Fact Practice

Practice addition and multiplication facts.

Fact practice for one or two players.

Color by Numbers - Fact Practice

Match number fact equations with answers.

Work through a set of flashcards.

Multi-step fact practice

Practice your number facts!

How many computation problems can you solve in 60 seconds?

Whole number operations at a variety of levels.

Place the products on the multiplication table to uncover an image. Notice the turn around facts!

An Adventure in Number Sense - Too Many Facts?

Does learning the multiplication table looks like a big and boring job? You've come to the right place! We will look at the table closely, and you will see that there are only about 13 facts that you may want to memorize. Let's get started!

You can practice the multiplication tables or play a game to qualify for a mission to space!

This is a two player game that integrates multiplication fact practice and great strategic thinking!

Geometry

Click on Math, then Math Advantage,then Grade 3 and then scroll down to find Dr. Gee's 3-D Lab. Figure out if Dr. Gee's net matches her 3-D Solid.

Can you draw a rectangle with a perimeter of 16? In "Making Rectangles", students plan the steps necessary for the ladybug to draw rectangles of different sizes. The ladybug example presents a rich computer environment in which students can use their knowledge of number, measurement, and geometry to solve interesting problems. Planning and visualizing, estimating and measuring, and testing and revising are components of the ladybug activities.

Tangram Puzzles allow students to choose a picture and use all seven pieces to fill in the outline. In Tangram Challenges, students can use tangram pieces to form given polygons.

Use the mouse to click on the shapes and move them to the right container, but avoid being caught by the other robots. Watch out! The robots are quick!

Multiplication

Practice 2 digit by 1 digit multiplication using the standard algorithm.

Money

Figure out how much change you would get back when you pay for a bill.

Making Change with the Fewest Number of Coins

Make change using the fewest number of coins and bills.

Find the value of two collections of money.