[Free Registration/Login may be required to access all resource tools.] The interactive PLIX tool allows students to drag and drop base blocks (1, 10, 100) to find the total area of an irregular figure. The video shows an example of a...

[Free Registration/Login may be required to access all resource tools.] This learning module features an interactive, a video, and a practice quiz in which students identify the ones, tens, or hundreds digit of a value by counting the...

[Free Registration/Login may be required to access all resource tools.] The video shows up to the thousands place and describes how to recognize the place value of a digit in a number. The video is followed by a series of practice...

On this interactive site students learn to count to the number 10, represent numbers from 0 to 10, and demonstrate one-to-one correspondence when counting.

In this lesson on counting and numbers, students will write and represent numbers 16 through 20.

In this lesson on counting and numbers, students will write and represent numbers 11 through 15.

For this lesson on counting, students will write, and represent numbers 0 through 5.

In this instructional activity on counting, students will write, and represent numbers 6 through 10.

In this interactive, use logic to solve riddles involving a wallaby jumping contest. Then, place each contestant's jump -- a fraction, mixed number, or decimal between -5 and +5 -- at the correct point on the number line. Backward jumps...

Use this activity to teach students to represent numbers in scientific notation, and use geometry to solve problems related to three-dimensional figures. Explore distance and capacity problems about planets in the solar system. The...

Students, teachers, and parents alike will enjoy this challenging math site. It contains a clever brain teaser section plus creative problems related to algebra, geometry, measurement, numbers, statistics, and probability. A Spanish...

Represent fractions as whole numbers and whole numbers as fractions. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.CCSS.Math.Content.3.NF.A.3.c Express whole...

[Free Registration/Login may be required to access all resource tools.] In this learning module, students are asked to identify a missing term in a number represented in expanded form. Includes video demonstrating a sample problem [1:18]...

In the lesson on comparing numbers, students will learn how to determine which group of objects or numeral represents the lesser amount.

In the lesson on comparing numbers, students will learn how to determine which group of objects or numerals represents the greater amount.

[Free Registration/Login may be required to access all resource tools.] In this learning module, students are asked to partition a shape into rectangles and add their areas together to get the area of the whole figure. Includes video...

This website from The Math Page explains and defines basic arithmetic terms and place value concepts. There is even a practice section at the very end of the lesson.

This task is meant to address a common error that students make, namely, that they represent fractions with different wholes when they need to compare them. Aligns with CCSS.Math.Content.3.NF.A.3.d Compare two fractions with the same...

The absolute value of a number a is written as |a| and represents the distance between a and 0 on a number line. An absolute value equation is an equation that contains an absolute value expression. The equation |x|= a has two solutions...

Mangahigh is a website with math games aimed at twelve to eighteen year olds. On this site students recognize, represent and interpret simple number relationships.

Math World explains the Golden Ratio, gives the formula for finding the irrational number, and expresses this value as an infinite series. Also defines and represents the Ratio geometrically, its relationship to the Fibonacci numbers,...

Create bars whose length and color represents a one-digit number. The bars can then be manipulated to visualize basic math operations.

This interactive math game lets you create the largest number possible as the computer gives you numbers.

Compare two fractions based on the whole that each one refers to. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints. CCSS.Math.Content.3.NF.A.2.b Represent a fraction...