Curated OER
Investigating Area Using Tangrams
Tenth graders connect the history of geometry to problem solving. In this geometry lesson, 10th graders investigate polygons through hands on manipulatives and solve problems relating to parallelograms and triangles. They calculate the...
Illustrative Mathematics
Seven Circles III
A basic set-up leads to a surprisingly complex analysis in this variation on the question of surrounding a central circle with a ring of touching circles. Useful for putting trigonometric functions in a physical context, as well as...
EduGAINs
Introduction to Solving Linear Systems
Word problems offer class members an opportunity to learn the concept of solving linear systems using graphs. Individuals choose a problem based upon preferences, break into groups to discuss solution methods and whether there...
EngageNY
Percent and Rates per 100
What percentage of your class understands percents? Pupils learn the meaning of percents based upon rates per 100 in the 24th lesson in a series of 29. They represent percents as fractions, decimals, ratios, and models. The scholars...
Curated OER
Understanding Fractions
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...
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
Fractions lesson 1
Students are given an overview of fractions using fractions manipulatives. Students comprehend what numerators and denominators are. They demonstrate a clear comprehension that the size of a fraction depends on the number of parts the...
Curated OER
Fraction Card Shark
Second graders explain the relative size of fractions using symbolic and concrete representations. Groups of four students play a game which uses cards and unifix cubes. The game helps them get a visual understanding for the 'size' of...
Curated OER
Fractions and Decimals
Third graders use fractions manipulatives to explore fractions. In this fraction lesson, 3rd graders work in groups based on skill to increase understanding of fractions. Students create fraction books.
Curated OER
Finding Fractions
Learners identify and solve problems using fractions. In this algebra lesson, students compare fractions and simplify with 80% accuracy. They manipulate fraction on the smart board through simplification.
Curated OER
Fractions in Shapes
First graders explore fractions with manipulatives. In this fraction lesson, 1st graders use paper foods such as sandwiches and pizza in order to find halves, thirds, fourths, eighths, and more. This lesson is divided up into 3 tiers...
Curated OER
Music Notes
Students identify music notes. For this music notes lesson, students toss bean bags between partners the number of times of a note (quarter, half, dotted half, etc) value. Students also practice underhand tosses.
Curated OER
Equivalent Fractions
Students describe importance of fractions in everyday life by identifying equivalent fractions and manipulating pizza pieces to show examples of equivalent fractions, and demonstrate knowledge of how whole can be divided into equal-sized...
Curated OER
Parts of a Group
Learners use manipulatives to form groups and then create a page showing parts of a group as fractions using KidPix. They work on the concept of equal parts and the number of groups discussing fractions of the groups and how they would...
Curated OER
Internet Field Trip on Fractions and Geometry
Students take an Internet field trip to research fractions. ESOL strategies include using pattern block manipulatives and pairing ESOL and non-ESOL students on computers.
Curated OER
Gator Pie, Anyone?
First graders listen to a story, manipulate flannel board figures, and cut soft cookies and paper plates into equal parts.
Curated OER
Egg-xactly Right
Students match colors and sizes, and manipulate the plastic eggs to put them together. They stand along the perimeter of the gym with a partner. Students have an Easter basket as a pair. They are given a signal, the first person of each...
Curated OER
Three Squirrels and a Pile of Nuts
Students solve story problems using a spreadsheet in combination with various problem-solving strategies. Working in teams of three, students create attempt to solve a story problem using three different methods; using manipulative,...
Curated OER
Introduction to Fractions on the Numberline
Pupils use color-cued fraction strips and a color-cued numberline to develop basic fraction concepts and correct sequencing. They complete a worksheet using equivalent fractions to solve the problems.
Curated OER
Pizza Fractions
Students investigate relationships among fractions and use cut out pizzas and fraction circles to compare equivalent fractions. They exchange fractional parts of construction paper pizza circles to use as many different fractional parts...
Curated OER
Understanding Rational Numbers and Proportions
Students explore parts of a whole. In this fraction lesson, students determine what makes a fair share. Working with manipulatives, students solve mathematical problems containing fractions.
Curated OER
Fractions: Parts of a Set
Students identify, model, and label simple fractions. They describe and define them as equal parts of a whole, a region and a set. Students use words to describe fractions. They use manipulatives to explore the many different fractions.
Curated OER
Hello, Fractions!
Third graders discover fractions through the use of pattern blocks, literature, website activity and making a fractional pizza.
Curated OER
Models for Dividing Fractions
Sixth graders represent division of fractions using manipulatives, such as freezer pops, candy bars, and models such as drawings squares. They develop an algorithm from these examples and solve problems using fractions.