In this decimal subtraction worksheet, students solve 15 problems that require them to subtract decimal numbers with 1-5 digits.

In this decimal addition worksheet, students solve 15 problems that require them to add decimal numbers with 1-5 digits.

Third graders explore measurement. In this estimation and measurement lesson, 3rd graders examine visual examples using standard units to measure length. Students also practice solving problems that their instructors model.

Third graders explore multiplication skills. In this multiple digit multiplication lesson, 3rd graders explore visual examples multiplying multiple digit numbers by 1-digit numbers. Students also practice solving problems that their...

Fifth graders explore the math concept of graphing integers. In this graphing integers lesson, 5th graders examine visual examples. Students also practice solving problems that their instructors model.

Students compare and order numbers. In this geometry instructional activity, students write equations for inequalities. They differentiate and apply concepts of triangular properties to solve problems.

Students explore oil field applications of Shape Memory Alloys.  In this engineering lesson students divide into groups and research mini research applications then complete a project. 

First graders represent 100 using various groupings of objects.

Third graders read and follow multi step directions in order to make friendship bracelets. In this friendship bracelets lesson plan, 3rd graders are assessed on if they made the bracelet correctly and in the right order.

Students use clock arithmetic to find remainders. In this patterns in math instructional activity, students explore the relationship between clock arithmetic and remainders using a computer applet. Students also identify patterns in...

Students provide oral multi-step directions when helping someone follow a route on a map. In this directions lesson plan, students read examples of directions and then practice giving them on their own.

Fifth graders add fractions. After a class discussion on real life application of fractions, the teacher uses fractions strips to model adding fractions. In pairs, 5th graders model adding fractions by drawing diagrams. They justify...

Learners are given the task of designing an apartment. In groups, they practice estimating the area and perimeter of different shapes. After designing their space, they apply the same formulas to solving real-world story problems.

Fifth graders practice using estimation. In this estimation lesson, 5th graders add, subtract, multiple, and divide using whole numbers, fractions, and decimals. Students decide upon instances when estimation is more appropriate than...

Students. in groups of two or three, design a box that contain a product. They must utilize design skills, spatial relationships, measurement skills and problem solving in order to design the most economically advantageous packaging.

Students design and build models of nine life support systems which are crucial to our successful settlement of the Moon. Each team must define the requirements of their system, exploring how these requirements are currently being met on...

Third graders solve problems using fractions through hands-on activities and appropriate literature.

Second graders use a number line to practice subtraction.  In this subtraction lesson, 2nd graders use a number line to count backwards.  Students participate in mad math activities and solve problems.

Students practice graphing relationships between variables by studying topics such as exponential growth and decay. They conduct a series of numerical experiments using a computer model and a variety of physical experiments using mold,...

Fourth graders model the activity of an enzyme acting on a substrate and observe relationships. Have students place toothpicks in a pile. One member of the team should break as many toothpicks as possible, in 10 seconds.

Third graders model the tag and recapture of bears and use proportions to estimate the population of the bears in their forest. This is a statistical sampling method used by scientists and naturalists to determine population numbers.

Third graders practice referencing material. In this giving credit to sources lesson, 3rd graders explore ownership of words and images by drawing and labeling a picture then problem solving how to identify the author. 

Students complete a word problem to determine the cost of gasoline per mile of their virtual field trip. They determine the travel time and gasoline costs for two routes and record the information on a data sheet. They check their work...

Pupils explore the concept of fractal patterns. In this fractal pattern lesson, students use an applet about the Hilbert Curve to answer questions about rectangles and other polygons. Pupils derive the fractal pattern when dividing...