This learning game provides an opportunity for students to represent whole numbers with pictures.

[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...

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.

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

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

[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...

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...

Listen and learn about oxidation numbers and how they are assigned, used in products such as fertilizers, and the formulas representing them. Get answers to questions about oxidation numbers such as what oxidation is, what's the reducing...

The big idea of this instructional activity is the understanding that addition can be represented as parts of a whole and that we can use addition sentences to represent those parts.

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.] Represent sums and differences on a number line and add and subtract rational numbers.

[Free Registration/Login may be required to access all resource tools.] Write integers to represent different real-world situations.

[Free Registration/Login may be required to access all resource tools.] Represent addition, subtraction, multiplication, and conjugation of complex numbers geometrically on the complex plane; use properties of this representation for...

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 identify a missing term in a number represented in expanded form. Includes video demonstrating a sample problem [1:18]...

[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...

A brief overview of the ten shapes used to represent numbers in the United States and number symbols of different cultures. Learn the symbols used for Chinese numbers when you play Chinese Symbols Memory. Then, test your counting ability...

Complex numbers can be represented graphically using parametric equations. The roots of complex numbers, including the roots of unity, can be represented graphically using De Moivre's theorem and parametric equations.

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...

Shark Numbers is a mobile-friendly place value game. The learning objective of this game is to know what each digit in a 3-digit number represents, (for ages 5-8).

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.