Lesson Plan
Curated OER

Median

For Teachers 9th - 11th
Students solve problems involving triangles. In this geometry lesson plan, students use the properties of triangles to find the angles and side. They identify the median and altitude of the triangle.
Lesson Plan
Curated OER

Mirror Tool

For Teachers 9th - 12th
Students define properties of polygons. In this geometry lesson, students differentiate between similar and congruent polygons. They identify and use the properties of solids to solve problems.
Lesson Plan
Curated OER

The UPS Experiment

For Teachers 7th - 8th
Pupils calculate the speed using metric measurements. In this geometry lesson, students calculate speed, distance and velocity using metric measurements. They gain inquiry and problem solving skills in this assignment.
Worksheet
Curated OER

Area of Triangle Worksheet

For Students 5th - 6th
In this area worksheet, students find the area of a triangle given the height and the base. They also find the height or base given the area of the triangle. 
Lesson Plan
Curated OER

Learning to Measure with Ladybug

For Teachers Pre-K - 1st
Students practice measuring items with non standard units. In this units lesson plan, students measure shapes, lengths, and classroom objects.
Lesson Plan
Curated OER

Finding Addition Patterns

For Teachers Pre-K - 2nd
Students practice finding the sums of two-one digit numbers. For this addition lesson plan, students also record facts onto an addition chart.
Lesson Plan
Curated OER

Balancing Discoveries

For Teachers Pre-K - 2nd
Students use a balance to help them with their addition facts. For this addition lesson plan, students also play the seven up game to memorize their facts.
Lesson Plan
Curated OER

Building Numbers to 5

For Teachers Pre-K - 2nd
Learners compose groups of items up to the number 5. In this number 5 lesson plan, students also connect names to numbers, record sizes of groups, and compose and decompose groups.
Lesson Plan
Pennsylvania Department of Education

Building Sets of Nine

For Teachers Pre-K - 2nd
Students match quantities to their number.  In this building to nine instructional activity, students put groups of objects together to make a group of nine.
Lesson Plan
Curated OER

Shirts Full of Buttons

For Teachers Pre-K - 2nd
Students match sets of buttons to complete subtraction problems. In this subtraction lesson plan, students answer the questions "how many more/less" and make bar graphs by counting up the buttons they are wearing.
Lesson Plan
Curated OER

How Many More?

For Teachers Pre-K - 1st
Learners complete subtraction problems where they use goldfish crackers as their manipulatives in the problem. In this subtraction lesson plan, students use words and pictures to also show their problems.
Lesson Plan
Curated OER

Balancing

For Teachers Pre-K - 1st
Pupils use a balance to complete subtraction problems and weigh out the items they take away. In this subtraction lesson plan, students use a pan balance and record their equations.
Lesson Plan
Pennsylvania Department of Education

How Many Ways?

For Teachers Pre-K - 3rd
Students estimate the amount of money they have in groups of pennies, nickels, and dimes. In this money lesson plan, students then count up the amounts they have and exchange money amounts.
Lesson Plan
Pennsylvania Department of Education

Comparing Sets

For Teachers Pre-K - 2nd
Students count back with cubes to model subtraction problems. In this subtraction lesson plan, students compare sets of problems and record their results in a table.
Lesson Plan
Pennsylvania Department of Education

Order, Order

For Teachers Pre-K - 2nd
Students use pictures to identify items as ordinal numbers. In this ordinal numbers lesson plan, students use the words "before" and "after" to identify the pictures as well.
Lesson Plan
Pennsylvania Department of Education

Up on Top

For Teachers Pre-K - 2nd
Students make bar graphs and identify items in the bar graphs as being likely, certain, or impossible. In this bar graphs lesson plan, students answer questions about the bar graphs using reasoning and communication skills.
Lesson Plan
Pennsylvania Department of Education

Geoboards

For Teachers Pre-K - 2nd
Students describe shapes to their classmates using specific properties and practice making triangles on geoboards. In this geoboards lesson plan, students use string on the geoboards.
Lesson Plan
Pennsylvania Department of Education

Playing with Patterns

For Teachers Pre-K - 2nd
Pupils use objects and symbols to create original linear patterns. In this patterns lesson plan, students also translate patterns from one modality to another.
Lesson Plan
Pennsylvania Department of Education

Extending Pattern Understandings

For Teachers Pre-K - 2nd
Students use shapes and manipulatives to demonstrate patterns. In this patterns lesson plan, students also break up patterns to identify a pattern unit.
Lesson Plan
Curated OER

Calculating Patterns

For Teachers Pre-K - 2nd
Students create numerical patterns by using an internet based calculator. In this patterns lesson plan, students complete, create, extend, and record different patterns.
Lesson Plan
Pennsylvania Department of Education

Making Triangles

For Teachers Pre-K - 2nd
Students use interactive geoboards to identify simple geometric shapes. In this making triangles lesson plan, students describe the properties associated with geometric shapes. Students develop spatial sense and the mathematical...
Lesson Plan
Curated OER

Flashcard Memory: Numbers and their Words 1 - 10

For Teachers Pre-K - K
Learners play a memory game where they identify numbers and the words that go with them. In this number memory lesson plan, students match numbers and words for numbers 1 - 10.
Lesson Plan
Curated OER

Sorting and Classifying

For Teachers Pre-K - K
Students explore organization by participating in an object sorting activity. In this classification instructional activity, students view a diagram which details the different ways to sort items. Students practice sorting random objects...
Lesson Plan
Curated OER

One More, One Less - A Practice

For Teachers Pre-K - K
Students practice adding one more item and taking away one more item to figure for one more, and one less of a number. In this one more and one less lesson plan, students use manipulatives.