Students explore the parts of an orange to develop an understanding of the addition and subtraction of fractions. The concept of representing parts of a whole by dividing an object into smaller pieces is experienced in this hands-on...

Students comprehend that karyotyping is a process in which chromosomes are cut from an enlarged picture and arranged in decreasing order of size. The cells to be viewed are first chemically treated to increase the number of dividing...

Students research Egyptian hieroglyphics using print and Web resources. THey discuss Egyptian achievements in mathematics. Students explore how Egyptians used hieroglyphics to write numerals. They multiply and divide numbers using the...

In this linear equations worksheet, 9th graders solve 8 various problems that are related to solving linear equations. First, they look at each equations and determine which variable to get on its own. Then, students solve each equation...

Students identify the worship of icons as a division between the Roman Catholic Church and the Orthodox Church. In this instructional activity on the Byzantine Empire, the teacher provides a simulation showing a basic division in...

For this division and multiplication worksheet, 3rd graders fill in the missing numbers in 6 math puzzles. Students use either division or multiplication to find the missing numbers.

In this order of operations worksheet, learners study, analyze and solve 8 math problems involving addition, subtraction, multiplication and division.

In this significant figures instructional activity, students solve forty eight problems. They identify significant figures in numbers, they complete calculations of addition and subtraction and identify significant figures, they multiple...

In this percentages and proportions worksheet, students are given percentages, they express them as a proportions, they create an equivalent ratio using "x" for the unknown portion and they cross multiply and divide to find their answer.

In this scientific notation worksheet, students are given directions to add, subtract, multiply and divide using scientific notation. They complete twenty four problems and express their answers in scientific notation.

In this counting galaxies worksheet, students use a photograph taken by the Hubble Space Telescope and they divide the field into 16 square areas. They find the average number of galaxies in the cells, they find the area of one of the...

Middle schoolers explore the concept of order of operations. For this order of operations lesson, students play a card game where middle schoolers in the group have 5 cards. Students must use addition, subtraction, multiplication, and...

In this division learning exercise, students complete division problems based on the number of cd's each person needs. Students complete 6 problems.

Students study the fetal development of humans.  For this development lesson students divide into groups and research the different gestational weeks of a fetus. 

Students solve problems within-inequalities. In this algebra lesson, students apply concepts of addition, subtraction, multiplication and division to solve inequalities.

Learners divide one side of paper into three columns: 1) What I see 2) What I smell 3) What I hear. On the other side, have them write two columns: 4) What I feel 5) What I taste. They fill in #1, 2,3 as the teacher pops popcorn.

Students explore the use of matrices and graphing calculators to solve a complex linear programming problem. They test their solutions to determine the best division of land use for the city.

Students review basic math skills, such as addition, subtraction, multiplication, division, finding averages, and working with percentages. They see how these skills apply to real life situations.

Students create three-dimension models demonstrating exponents, multiplying and dividing of fractions, and the use of repeating patterns in tessellations, mirror images, and tiling.

Young scholars solve addition, subtraction, multiplication, and division problems that focus on serving size and counting 5 A Day.

Students examine the descriptive science dealing with the surface of Earth, its division into continents and countries, climate, natural resources, inhabitants and industries of the various divisions and analyze the political geography...

Students explore the concept of dividing their money into categories, namely "save," "spend," and "share." They engage in activities that help them explain that money is limited in quantity and must be divided for different purposes.

Students divide substances into categories: made of chemicals/not made of chemicals, synthetic/naturally occurring, and toxic/nontoxic. They observe a mystery chemical and determine what precautions they need to take when handling an...

Learners examine the division of North and South Korea. They identify the ideological differences and the tensions between the two countries. They discuss the threat of nuclear weapons as well.