Curated OER
Perfectly Puzzling Pentominoes
Second graders utilize manipulatives (pentominoes) to demonstrate knowledge of: lines of symmetry, slides, reflections (flips), rotations (turns), area, and perimeter. This instructional activity gives students a meaningful way to...
Curated OER
Kindergarten Money
Students identify the various coins and their values through presentations, a rubric, a value pretest, and coin manipulatives. Money is incorporated into various activities whether at home or in school. Students create money webs using...
Curated OER
Functions of Algebra
Young scholars use technology graph and evaluate linear inequalities. They write and manipulate inequalities for use on a graphing calculator. In addition they apply their skills to analyze inequalities. Answer Key included.
Curated OER
Ravishing Rings (Multiplication with a Snack)
Students understand multiplication through the use of snack manipulatives. In this multiplication lesson, students solve a multiplication problem using pretzels and then create and answer original problems. Students analyze how they got...
Curated OER
Giving it 100%
Students build knowledge about the number relationships between decimals and percents as it relates to converting decimals into percents. For this decimal and percent lesson, students recognize equivalent forms of fractions,...
Curated OER
Stories That Really Add Up
Students, in groups, develop math lessons for younger students that each stems from a popular student story. Group members individually develop lessons for other subject areas based on their group's story, creating interdisciplinary units.
Curated OER
Reflecting a Triangle in the Coordinate Plane
Learners explore geometric concepts using technology. They manipulate the TI to find important math topics. This activity requires a TI-84 or higher.
Curated OER
Developing the Concept Division
Students use manipulatives to explain the concept of dividing multi-digit numbers.
Texas Commission on the Arts
The Quarter Fold
Little ones identify the US quarter and explore the concept of one-fourth or one-quarter. Using real coins or coin manipulatives, they divide a square piece of paper into quarters, discuss halves and quarters, and create a design that...
Curated OER
The Magic Pot
Second graders complete activities with the book The Magic Pot. In this comprehension lesson, 2nd graders read the story, answer comprehension questions, and create a storyboard. They also complete Magic Pot math by working on...
Curated OER
Exploring Area and Perimeter
Two learners are blindfolded and each receives a cardboard square, one with pompoms glued around the edge and one with pompoms glued all over the surface. They identify what they feel. The class discusses perimeter and area of polygons....
Curated OER
Powerful Polygons
Students scan the classroom to find different common shapes. They listen as the teacher defines polygon and regular polygon. The teacher demonstrates regular polygons via the Internet and the "Math is Fun" web site. Students go outside...
Curated OER
What Does Average Look Like?
Fifth graders explore the concepts of range, median, mode, and mean through the use of graphs drawn from models. They use manipulatives to represent data they have collected within their groups, and compare the differences between mode,...
Curated OER
Investigating Equations of Lines
High schoolers investigate linear equations as they use technology (Cabri, Jr.) to explore the equations of lines in slope-intercept form. The technology allows learners to manipulate the line and observe the changes in the parameters of...
Curated OER
Investigating Segments in a Right Triangle
High schoolers explore the concept of right triangles as they construct a right triangle using Cabri Jr. Learners find the midpoint of the hypotenuse and construct a line from the midpoint to the vertex of the right angle. They then...
Curated OER
Investigating Lengths of Segments in a Triangle
Pupils explore the midsegment of a triangle in the geometry lesson. They draw and measure the segment joining the midpoints of the two sides of a triangle and compare its length to the length of the third side of the triangle. The...
Curated OER
More! A Lesson on Comparing
Students practice counting and comparing objects. In this math lesson, students view a Count on It! episode. Students examine the value of what they are counting. Students estimate number in groups of items. Students...
Curated OER
Mixing Mixed Numbers Art/Creating Fractions
Third graders explore number values by participating in class math activities. In this fractions lesson, 3rd graders collaborate with classmates to discuss the technique of adding mix numbers while utilizing paper plates to help...
Curated OER
Play Dough Number Sentences
First graders receive a can of play dough and form it into numbers to make addition problems. They also learn the proper format for an addition sentence from left to right. This is a great hands-on math lesson for young learners.
Ohio Department of Education
Fraction and Decimal Equivalency
Mathematicians make representations of fractional parts of a whole and learn that a decimal is another way to represent a fractional part. Understanding is extended by comparing and ordering fractions and decimals on a number line. This...
Curated OER
Roll or Slide?
Students explore models of three-dimensional shapes. In this geometric shapes instructional activity, students use hands-on manipulatives to explore three-dimensional shapes. Students predict whether each shape will roll or slide.
Texas Instruments
Getting Started with Cabri Jr.
Pupils construct geometric figures using Cabri Jr. in this constructing geometric figures using Cabri Jr. lesson. They familiarize themselves with Cabri Jr. and construct segments and triangles. Your learners will use various tools to...
Curated OER
What's the Spin?
Learners use the CABRI application for their graphing calculator to rotate, translate, and reflect triangles. They use graphing calculators and follow detailed directions to manipulate triangles in specified ways. There are three...
Alabama Learning Exchange
Coins to Bills!
Students practice using money at a grocery store. For this money lesson, students get familiar with grocery store ads and work in pairs to use these ads to select food items to purchase using money manipulatives. Students practice being...
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