In this week's Afterschool Adventure, children will explore simple math activities using the numbers one through ten. Children will represent numbers in different ways, such as drawing quantities; writing numerals; and using number...

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...

Fourth graders love to represent! In this lesson they will compare and explore multi-digit whole numbers to understand various ways of reading and writing numbers

[Free Registration/Login may be required to access all resource tools.] This lesson covers the powers of i, and adding and subtracting complex numbers, as well as how to plot them in the complex plane. Students examine guided notes,...

Using vectors as a starting point, this site demonstrates how complex numbers can be written in polar form. Several examples are included that require you to write complex numbers in polar and rectangular form and also represent them...

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...

In this interactive, use logic to solve riddles involving a wallaby jumping contest. Add two consecutive jumps and place them on a number line, finding equivalent fractions and common denominators to do so. Backward jumps represent...

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 are...

In this interactive, students add and subtract plays on a football field to practice working with negative and positive integers on the number line. Each set of randomized drives consists of seven to nine plays and ends with a touchdown....

Briefly describes some of the ways that numbers can be represented, including using a few other number systems, such as Roman and Mayan.

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...

Practice dividing fractions by whole numbers with numbers using models.

[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...