Curated OER
Number: Decimals
Students explore the concept of decimals. In this decimals lesson, students examine number patterns as they complete a worksheet that requires them perform multiplication with decimal numbers.
Pennsylvania Department of Education
Round Numbers to Nearest Ten or Hundred
Third graders review telling time. For this lesson on telling time, 3rd graders discuss various items that show length of time, including clocks, calendars and sand timers. Students review and practice what they already know about...
Alabama Learning Exchange
Number Clues
Students practice problem solving. In this number identification lesson plan, students practice identifying numbers based on clues or characteristics given. They also work in groups to identify the clues for given numbers.
Curated OER
Expanded, Standard and Written Forms
Students explore expanded, standard, and written forms of numbers. For 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 instructional activity, 4th graders watch a video to help them find the circumference of their pumpkins. Students define the word circumference...
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 lesson, students use fact families to play a game of concentration. Students identify subtraction facts they need to learn.
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
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.
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!
Students 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 instructional activity 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. In 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. In 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
Students 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...