Concord Consortium
Leap Years and Calendars
How many birthdays do leap year babies have in a lifetime? Learners explore the question among others in a lesson focused on different calendar systems. Given explanations of the Julian, Gregorian, and Martian calendars, individuals use...
Curated OER
An Extra Day!
Leap year is an important concept to understand- give learners some practice with this complete-the-calendar worksheet. The calendar month of February during a leap year is pictured, however it is incomplete. Scholars complete the month...
Mathematics Vision Project
Module 6: Congruence, Construction, and Proof
Trace the links between a variety of math concepts in this far-reaching unit. Ideas that seem very different on the outset (like the distance formula and rigid transformations) come together in very natural and logical ways. This unit...
Curated OER
Motherhood Math: Mothers in the Workforce
Young scholars evaluate a table showing how the number of working mothers increased between 1955 and 2000. They use the information from the table to complete a worksheet imbedded in this lesson.
Curated OER
Quilting With Students: Using Fractions to Develop Quilt Designs
Young scholars create and study paper "quilt blocks" that represent fractions. In this fraction lesson plan, students color squares in different dimensions in order to discover the basics of fractions.
Curated OER
Long Day?
Students become aware of the effects of tides on the Earth's rotation. In this tides instructional activity, students calculate the number of seconds lost over various periods of time.
K12 Reader
Eratosthenes: Geographer and Mathematician
Mathematicians can be famous, too! Introduce your class to Eratosthenes with a reading passage. After they complete the passage, learners respond to five questions, some of which require opinions and others reading comprehension skills.
Curated OER
What's The Story?
Teams of learners integrate reading, writing, math, social studies, and science in this simple, yet effective lesson. They work in groups in order to solve a ten-step problem which requires internet research, the use of a calculator, and...
Curated OER
Calendar Computation
Students solve math problems by using a calendar. In this problem solving lesson, students review the days of the week and months in a year. Students complete a problem solving worksheet about the calendar.
Mathematics Vision Project
Module 1: Transformations and Symmetry
No need to change anything about the resource. The first of eight modules in the MVP Geometry unit focuses on transformations in the coordinate plane. It connects translations, rotations, and reflections to congruence, symmetry, and...
Curated OER
Math
Young scholars, after discussing story detail, make a list of information needed to solve a problem, convert units of time, and discuss the steps to convert units of time.
Curated OER
Multiply 3-Digit Numbers by 2-Digit Numbers
By solving word problems related to the planets, 4th graders practice multiplying numbers with several digits. Using this instructional activity to solve problems involving 2 and 3-digit multiplication, students practice this skill. This...
Curated OER
Measurement and Problem Solving
Students solve problems using a calendar. In this calendar lesson, students complete a worksheet of math story problems. Example problems are provided.
The New York Times
Understanding the Mathematics of the Fiscal Cliff
What exactly is the fiscal cliff? What are the effects of changing income tax rates and payroll tax rates? Your learners will begin by reading news articles and examining graphs illustrating the "Bush tax cuts" of 2001 and 2003. They...
Curated OER
How Big Are Earth, Sun, and Moon?
Third graders draw what they believe is in space on a dry erase board. In groups, they are given a beaker half filled with water and they add a teaspoon of oil, observing the different layers that form. To end the lesson, they identify...
Curated OER
Problem Solving: Number Patterns
In this number patterns worksheet, students use the patterns of numbers within each word problem to solve and answer the six word problems.
Curated OER
Comparing Earth and Mars
Young scholars work together to compare and contrast Mars and Earth. Using the internet, they answer questions given to them by their teacher and calculate answers showing their work. They graph their answers and discuss the results of...
Curated OER
Developing the Concept Division
Young scholars use manipulatives to explain the concept of dividing multi-digit numbers.
Curated OER
Participants are challenged to create several different sorting groups for the set of images.
Students examine the influence of interaction with other cultures and the environment in relation to calendars. They also look at the origins of the calendar we use every day.
Teach Engineering
Quantum Dots and the Harkess Method
The Fantastic Voyage is becoming close to reality. The class reads an article on the use of nanotechnology in the medical field and participate in a discussion about what they read. The discussion method helps class members become more...