Curated OER
Expanded, Standard and Written Forms
Students explore expanded, standard, and written forms of numbers. In this number sense lesson, students examine the various ways of writing numbers as they complete a Venn diagram activity.
Curated OER
Circumference of a Pumpkin
Fourth graders watch a video and find the circumference of a pumpkin. In this circumference lesson, 4th graders watch a video to help them find the circumference of their pumpkins. Students define the word circumference on their data...
Curated OER
Finding Sums to 6
Students explore the additive identity property where they add multiple numbers to get to the number 6. In this number 6 lesson plan, students also work on their addition charts.
Pennsylvania Department of Education
Practice Makes Perfect
Students study fact families. In this math instructional activity, students use fact families to play a game of concentration. Students identify subtraction facts they need to learn.
Curated OER
Numbers: Rounding Off
Students discover the idea of rounding numbers. In this rounding lesson, students are given worksheets having to do with rounding whole numbers and fractions. Students participate in an activity with number flashcards.
Pennsylvania Department of Education
Order, Order
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.
Curated OER
Valentine's Themed Activities For February
Here are ways to make academics part of your Valentine's Day-related lessons.
Curated OER
In the Bag!
Pupils calculate how many quarters are in a $1,000 bag (after learning the dollar value of filled coin bags). They explain their problem-solving strategy using pictures, numbers, equations, and/or words.
Curated OER
Local Organism Sort
Students determine what characteristics are useful in classifying items. In this sorting organisms lesson students create and explain a classification scheme using familiar organisms.
Curated OER
Multiplication of Decimals
Students participate in a lesson that explores the concept of using multiplication with decimals. They practice using the operation using whole numbers and progress to the use of decimals. The lesson includes dialogue for the teacher to...
Curated OER
Ten Little Black Dots
Second graders use black and red construction paper to symbolize different one digit numbers that add up to 10. In this sums to 10 lesson plan, 2nd graders discover different combinations and patterns that can lead them to the number 10.
Curated OER
Oral Language in Mathematics
Third graders examine fractions by descriptively writing about them. For this number sense lesson, 3rd graders read number sentences and compare fractions based on their size. Students explain fractions to a friend by writing a friendly...
Curated OER
Finding Addition Patterns
Students practice finding the sums of two-one digit numbers. For this addition lesson plan, students also record facts onto an addition chart.
Pennsylvania Department of Education
How Many Ways?
Students estimate the amount of money they have in groups of pennies, nickels, and dimes. For this money lesson plan, students then count up the amounts they have and exchange money amounts.
Pennsylvania Department of Education
Extending Pattern Understandings
Students use shapes and manipulatives to demonstrate patterns. In this patterns lesson plan, students also break up patterns to identify a pattern unit.
Curated OER
Time Zones
Third graders have a greater understanding of time zones, explain the basic history and purpose in the creation of time zones, and use time zone maps to calculate the time/day in a certain area.
Curated OER
Adding and Subtracting Decimals
Students practice adding and subtracting numbers with decimals. In this decimals lesson plan, students use grid paper and money to learn how to add and subtract decimals.
Curated OER
Cracking the Maya Code
Students analyze the meaning of Maya glyphs. In this Mayan communication lesson, students use Mayan symbols to calculate their birthdates according to Maya Long Count.
Curated OER
The Dog Days of Data
Learners are introduced to the organization of data This lesson is designed using stem and leaf plots. After gather data, they create a visual representation of their data through the use of a stem and leaf plot. Students
drawing...
Pennsylvania Department of Education
Adding and Subtracting Three-Digit Numbers by Jumping
Second graders use data to graph information and draw conclusions. In this instructional activity on data analysis, 2nd graders practice gathering, sorting, comparing, and graphing data. Students differentiate data that can and cannot...
Curated OER
Making Changes
Students observe and record the changes they see when adding heat and cold to objects. In this changes lesson plan, students experiment with different objects and see if heat and cold change the makeup of the object. They then record...
Curated OER
Comparing Negative Fractions, Mixed Numbers and Decimal
Seventh graders explore the concept of negative rational numbers. For this negative rational numbers lesson, 7th graders discuss similarities between positive and negative rational numbers. Students predict what rational numbers lie...
Curated OER
Fractions and Fact Families: Jump Kangaroo Jump!
Second graders practice with fractions and fact families. In this fractions and fact families lesson, 2nd graders participate in a series of activities to assist them with understanding fractions. Activities include graphing, creating...
Pennsylvania Department of Education
Using the Number Line to Compare
Students determine differences using a number line. In this math lesson plan, students use the number line to solve subtraction problems. Students solve puzzles using subtraction.