Exploratorium
Take It From the Top
Experiment with the center of gravity by stacking blocks in a way that appears to defy its force. This is a fascinating demonstration that you can use when teaching about gravity, forces, or balance.
Illustrative Mathematics
How Many _______ Are In. . . ?
Help your learners gain meaningful understanding of dividing fractions using fraction models. The activity includes nine problems which are sequenced to show how the fraction division algorithm evolves. Have students use graph paper or...
Curated OER
I Can Build It.....Yes I Can!
Kindergartners listen to a story read by their teacher, then use magnetic shape pieces to construct simple designes. They "build" their own house using pre-cut paper shapes. This age-appropriate lesson would be an excellent choice for...
Curated OER
Title Balancing With Tidy Numbers
Students use math manipulatives (ice block sticks) to show the addition of two 2-digit numbers. They discuss short-cuts that might be used to make the problem easier. they apply the same principle for adding larger numbers, as well.
Curated OER
Covering Spaces
Third graders become more familiar with various geometric shapes by completing the games and activities in this lesson plan. They keep track of the number of each shape they use in each of the three ways.
Curated OER
Pyramids
In this pyramids worksheet, 10th graders solve and complete 4 different types of problems. First, they count the number of blocks shown in the pyramid. Then, students count the blocks along the lines of symmetry only. They also calculate...
Curated OER
Best lesson in the whole world!
Students study the concept of fraction using mathematical reasoning. In this problem solving fraction instructional activity, students use various methods to explain their reasoning in solving fractions. Students use a number of...
Curated OER
Interpreting Data
In this interpreting data activity, students solve and complete 4 different types of problems using different data types. First, they collect raw data from a paragraph shown. Then, students identify the examples of two different types of...
Curated OER
Mathematics Within: Algebraic Processes and Its Connections to Geometry
Fifth graders discover the connections between algebra and geometry. With a focus on arrays and factors, they are introduced to multiplication. They develop an array for multiples of 2 through 10 and identify the factors of each row....
Curated OER
The 1 That Got Away
Students explore number properties. They using multilink blocks to explore doubling of the numbers and explore the patterns to investigate 2 to the power of n and how it is written. In addition, they usse the 100s board, number line and...
Curated OER
Two By One Multiplication
Third graders use base-ten blocks to find products of two-digits by one-digit by making a model of the problem. They complete a worksheet by multiplying 2-digits by 1-digit with regrouping. They may use the base-ten blocks if needed.
Curated OER
Word Problem Solving Strategies
In this word problem strategy instructional activity, students solve and complete 11 different problems and questions related to growing patterns. First, they identify what they know and what information is important. Then, students...
Curated OER
Even and Odd Numbers
First graders use patterns in order to identify and recognize even and odd numbers.
Curated OER
Growing and Graphing
Students visit a 2nd and a 4th grade class to measure the heights of older students using large building blocks as a non-standard unit of measure. They can also measure adults in the school community. Results are displayed in...
Curated OER
Finding Remainders in Pascal's Triangle
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...
Curated OER
Sequences - Week 8
In this sequence instructional activity, students find the arithmetic and geometric sum of given sequences. They identify the next number in a sequence. This three-page instructional activity contains eight problems.
Curated OER
It Counts
Young scholars explore one to one number correspondence. In this early math lesson, students make observations about and classify plants in order to gain an understanding of using numbers to describe their world.
Curated OER
Sudoku Puzzle
In this Sudoku learning exercise, students solve a puzzle by filling in the numbers 1-9 so that each number appears only once in each row going across and down and in each block of 9 squares.
Curated OER
Sudoku Puzzle
In this Sudoku instructional activity, students solve a puzzle by filling in the numbers 1-9 so that each number appears only once in each row going across and down and in each block of 9 squares.
Curated OER
Mad Monster?
In this Halloween math worksheet, learners use the color and number code to draw and color in a pattern on the blocks. When finished, students will have colored a picture of Frankenstein.
Curated OER
The Task of the Mask
Students discover historical value and use of different African masks through research and literature. Students also relate different customs and traditions of ethnic groups to the masks.
Curated OER
Exploration with Geometric Solids
Students reinforce geometric concepts by playing "Guess My Solid." Through a process of elimination, they determine the shapes of mystery solids. Finally, students use various materials to construct their own geometric figures.
Curated OER
Reflection of Light
Students experiment with reflections of two plane mirrors placed at a 90 degree angle to see what will be reflected.
World Wildlife Fund
Arctic Shapes
In a two-part learning exercise, young geometers examine 3-D shapes and describe their attributes in a table. They will be able to draw the shape and name the number of vertices, faces, and edges. In the second part, individuals...