Doubling a network or combining two networks is quick and easy when utilizing matrices. Learners continue the network example in the second instructional activity of this series. They practice adding, subtracting, and multiplying...

Data encryption is an important security measure for sensitive data stored on computers. Pupils learn how to utilize matrices for creating code. They also get a great review of matrix multiplication, inverse matrices, and the identity...

Using a varity of strategies, young mathematicians solve multistep word problems. They play a logic game as a whole group, and then work with a partner on a computer to complete a worksheet that requires a variety of problem solving...

Students estimate and measure triangles. In this geometry lesson, students identify the relationship between three sides and a triangle. They use the inequality theorem to decide if a triangle will be formed or not.

Want an organic farming resource packed with experiments, background information, science fair projects, and topics of interest for further research? Here it is. Young environmental scientists can explore concepts involved in organic...

This thorough introduction to the concept of subtracting negative integers walk learners through the necessary steps using teacher modeling and guided practice. Number lines and various word problems are used to support understanding of...

Does your class need a little extra practice subtracting two-digit subtrahends from three-digit minuends? Here are 30 practice problems just waiting for answers; some problems require regrouping and some do not. 

Use this worksheet for practice or review solving linear equations in one variable. Problems range from multiple-step problems involving parentheses and combining like terms, to word problems, to equations with no solution or infinitely...

Practice the skill of compare and contrast. First, show learners the different pairs of artwork in the project packet (included). Then, each learner chooses one of the pairs and finds the similarities and differences between the...

Students investigate place value in base ten. For this number sense lesson, students participate in an online lesson at www.shodor.org/interactivate/activities/NumberBaseClocks and demonstrate how to convert numbers from base ten to...

Guide your geometers through the process of constructing polygons. They learn how to draw triangles, squares, parallelograms, rectangles, rhombuses, and trapezoids with specified angles using a protractor and a ruler. The lesson plan...

Complete problems using base ten blocks to see the difference in the place value of a decimal and how it affects a number's value. Learners compare decimal values as well. Ample time for discussion and modeling are allowed in the...

Learners measure, record, and graph the force of moving a block of wood along sand paper. In this friction lesson plan, students read a spring scale, collect data, construct a graph, and propose a model to explain how fiction works.

There's more than one way to solve a math problem! Introduce your class to this concept with a reading passage. After reading, learners answer five related questions.

A teacher guided lesson on perfect squares and factoring. They discuss perfect squares, observe the expansion steps for finding the product, and practice solving problems. They complete a worksheet on perfect squares and factoring.

Students collect microscopic images from a variety of chemical specimens to determine the identity of a mystery powder. They use a ProScope Digital USB Microscope to describe and compare the crystal size and shape of the chemicals.

In this phase changes learning exercise, students use the specific heats for different substances to determine how much heat is needed for those substance to change phases. This learning exercise has 9 problems to solve.

Students explore water and ice. In this physical science lesson, students participate in a science inquiry and observe the characteristics of ice and water. Students compare the differences between a solid and liquid and record their...

Middle schoolers add, subtract, multiply, and divide rational numbers. They find the square and the cube of numbers. They create a game incorporating computation on rational numbers. Everyone works together to write and evaluate...

Middle and high schoolers explore the concept of proving the Pythagorean Theorem. They research proofs of the Pythagorean Theorem. Pupils create posters of proofs, and research Greek mathematicians.

Young scholars explore the concepts of length, perimeter, and area. In this math lesson, students use Shape Explorer to practice finding length, perimeter, and area.

With this interactive lesson, learners compute the surface area of rectangular prisms. They visit an online investigation applet and record data on the provided handout. Pair this lesson with the volume lesson by the same publisher as an...

Explore the concept of volume of prisms using an applet to perform the calculations. The link to the interactive applet is embedded into the lesson plan as well as a link to associated data sheets. Get your math class to the computer lab...

Introduce the procedure needed to find the volume of a rectangular prism. Learners rank various prisms such as cereal boxes and tissue boxes from smallest to largest volume. They use an applet to find the volume and surface area of each...