+
Assessment
Concord Consortium

Leap Years and Calendars

For Students 8th - 12th
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...
+
Activity3:39
PBS

Scale City — Proportional Relationships in the Real World

For Teachers 6th - 7th Standards
Strive to determine your stride. Scholars first view an informative video on the Kentucky Horse Park and the 28-feet stride of the Man o' War. They then work together in groups to find the length of their own strides by using the number...
+
Interactive
CK-12 Foundation

Properties of Rational Numbers: Lollipop Trees

For Students 6th - 8th Standards
A six-question interactive takes mathematicians to Lollipop Land where they manipulate lollipop trees to make equivalent ratios.  Question types include multiple-choice, true or false, and a discussion. 
+
Activity
US Department of Commerce

How Does Our Class Compare?

For Teachers K - 1st Standards
Compare the class to the country. As a group, pupils collect data on the types of activities boys and girls do after school. Learners compare the number of girls to the number of boys for each activity. Using census data, individuals...
+
Lesson Plan
Curated OER

Polygon Division Models

For Teachers 5th - 7th
Students use polygons to explore division. They use pattern blocks to represent whole numbers and fractions. They discuss divisors, factors, dividend and products. In groups, students present models and solve problems. They justify their...
+
Lesson Plan
Curated OER

Counting, Properties of Numbers, and Reasoning about Numbers

For Teachers K - 3rd
Five days of lessons develop number sense and counting patterns, including odd and even numbers, 5s and 10s, doubles, and ways to make 10. Each session opens with fun finger play to reinforce counting and reasoning about numbers. Various...
+
Lesson Plan
Curated OER

Dividing Fractions

For Teachers 5th
Reciprocals are the method used for dividing fractions in this instructional session. A fraction is defined as being a division problem, and then the whole group works together to solve several problems. They check for the reasonableness...
+
Lesson Plan
Curated OER

Roman Bernardo: Solving Linear Equations

For Teachers 7th - 9th Standards
Mathematicians use an inquiry method to solve linear equations. In this linear equations lesson plan, young scholars practice solving equations using addition, subtraction, multiplication and division. They solve multi-step equations and...
+
Lesson Plan
Curated OER

Guess That Sequence!

For Teachers 3rd - 5th
Students explore number sense by completing problems in class. In this patterns lesson plan, students examine a group of numbers and identify what the pattern is and how it should correctly continue. Students practice utilizing number...
+
PPT
Curated OER

Numbers 1-20

For Teachers Pre-K - K
Count along as a class! Each slide contains a number and objects to count, 1-20. The images are fun and as they reach 10+ are grouped by ones and tens. This resource could be used in a variety of ways, is well put together, and has fun...
+
PPT
Curated OER

Making 10

For Teachers K - 1st
Brilliant! This presentation helps kids discover all the different way they can make 10. Each slide contains 10 balls, as the kids count, each ball blinks, and the number appears under them to show how many. A plus sign pops up and the...
+
PPT
Curated OER

Classifying Polygons

For Teachers 4th - 5th Standards
A straight edge, a right angle, a number of vertices; sounds like it's time to classify polygons. That's right you and your class will learn all about the properties of polygons and how to classify them with this easy to follow...
+
PPT
Curated OER

Fractions (2)

For Teachers 2nd - 3rd
Review or introduce your younger learners to simple fractions. They work through fifteen different problems, where the shaded amount must be identified as a fraction. For each problem an answer is included on the following slide. Tip:...
+
PPT
Curated OER

Fractions

For Teachers 2nd - 3rd
Fractions are scary for a lot of young mathematicians. This cute presentation tries to take the "scary" out of fractions. The basics are covered: the numerator, the denominator, and the fact that a fraction is a representation of a part...
+
PPT
Curated OER

Number Bonds to 10: Determine the missing addend

For Teachers K - 1st
Each slide contains a group of animals and an equation that adds up to 10. However each equation is missing a number, learners attempt to determine the missing addend to revile the number of animals hiding under the cloud. A fun,...
+
Activity
Scholastic

Eric Carle Author Study

For Teachers Pre-K - 2nd
Learn all about Eric Carle, find out about his famous caterpillar, and try out related art, science, writing, math, and social studies activities. The resource comes with plenty of materials to support your instruction.
+
Lesson Plan
Curated OER

Word Clue and All About Me Problem Solving

For Teachers 5th
Fifth graders practice solving word problems using highlighted strategies. In this word problem lesson, 5th graders brainstorm and  use words as clues that indicate the math operations that will be used to solve problems. They use...
+
Lesson Plan
Curated OER

Real Number System Graduated Bowl Activity

For Teachers 8th
Eighth graders determine which numbers are rational numbers. In this number lesson plan students answer a series of questions related to natural and whole numbers as well as integers and rational numbers. Students work cooperatively in...
+
Lesson Plan
Curated OER

Melodies and Math: Creating Music with Non-Traditional Instruments

For Teachers 5th - 6th
Review the 4/4 and 2/4 time signatures in music with a helpful music theory lesson plan. Young musicians experiment with electronic sounds and create their own musical performance using instruments made from materials found in the...
+
Worksheet
Curated OER

Integers

For Students 8th
In this integers worksheet, 8th graders solve 10 various types of problems to include rewriting each statement using the convention for Positive integers and then calculate their answer. They also rewrite each statements without the...
+
Printables
Curriculum Corner

Order of Operations Task Cards (2)

For Students 4th - 7th Standards
Young mathematicians use their PEMDAS knowledge to solve 20 different task cards. They evaluate expressions to find the answer of multiplication, division, addition, subtraction, and exponential problems. Then, they record their answers...
+
Lesson Plan
Curated OER

The Four Groups of Biologically Important Compounds

For Teachers 7th - 12th
This is not they typical set of teacher instructions. It is an organized chart of the important organic compounds. For each, the involved elements, the name of the building block monomers, the names of polymers, extra information, and a...
+
Handout
Del Mar College

Solving Systems of Equations

For Students 8th - 11th Standards
Lets keep the system working and show learners the three ways to solve linear systems of equations. Each method includes step-by-step instructions to work their way through the problem. The same problem is used for each method to show...
+
Lesson Plan
Curated OER

Subtracting Fractions - Unequal Denominators

For Teachers 4th - 6th Standards
Subtracting fractions that have unequal denominators is a tricky process. The lesson utilizes fraction bars as a manipulative, in order to understand subtracting fractions and estimating differences. After completing three activities in...

Other popular searches