Curated OER
The Nature of Mathematics
Students work in groups to describe plants using numbers. In this number lesson, students use numbers to define plants and then use numbers to write descriptions of themselves.
Curated OER
Extra! Extra! (Geometry Extensions)
Students respond to questions based on quotes, research, and logic, and challenge problems related to the current objectives.
Curated OER
More or Less Pigs in the Pen
Students practice simple addition and subtraction. They identify relationships among whole numbers.
Curated OER
How Many Ways?
Second graders develop number sense. In this number sense lesson plan, 2nd graders use multiple ways to represent numbers including written numerals, tally marks and manipulatives. Students correctly use place value to the thousands place.
Curated OER
Rules for Rubrics
How do you create an effective and fair rubric? Read this article to create the best rubric possible.
Edline
Adding and Subtracting Integers
When should you use a number line to add and subtract integers, and when should you use absolute values? Complete a set of worksheets designed to reinforce adding and subtracting integers with both standard problems and word problems....
Curriculum Corner
“I Can” Common Core! 3rd Grade Math
Help third graders make sense of the Common Core math standards with this simple checklist. By rewording each standard as an I can statement, children are provided with clear goals to focus on as they participate in math lessons.
Curated OER
Counting Rabbits
You've heard of counting sheep, but what about counting rabbits? This is a fun way to approach data analysis with young mathematicians. Examining a chart, they see how many times James and his family saw rabbits in their yard over a...
Curated OER
Evaluating Expressions
In this evaluating expressions instructional activity, students solve and complete 50 various types of review problems. First, they complete each sentence and define the listed terms. Then, students evaluate each expression for the given...
Charleston School District
Solving Equations by Combining Like Terms
How do you make these x's get along? Building on the previous lesson in the series, learners solve equations by combining like terms. The video uses objects to help pupils understand the concept.
Curated OER
Fairy Tale Math
Have class members rewrite a favorite fairy tale in order to incorporate numerical information. For inspiration, the teacher provides an example written by another second grader. These modified stories are then used to write word...
National Security Agency
Ordering, Adding and Subtracting Integers
Prealgebrarians use colored chips, stickers, and pencils to explore the world of integers. They discover absolute value, compare positive and negative integers, and apply operations to them. A detailed procedure for the three-part...
Education Creations
Morning Math
Jump-start your morning mathematicians with this set of warm ups! Consider simply projecting the problem of the day for the entire class and having them complete the work in individual notebooks or with a partner. Concepts include...
Curated OER
Study Buddies: Relating Multiplication And Division
These acitivities are designed for two! With a partner, problem solve and calculate the answers to fifteen word problems or mathematical equations. Scaffolding and coaching are included, and as an extension learners are prompted to...
Curated OER
Exploring Geometry on the Sphere
In this geometry worksheet, students define important vocabulary dealing with circles. They measure cricles to the nearest degree. There are 11 word problems to be solved.
Curated OER
Three Digit Multiplication
In this math worksheet, students will practice multiplication of three digit numbers with the number three. Students will synthesize answers to 25 practice problems.
Futures Channel
Algebra Magic
Abracadabra! Letters can be used in math to represent numbers with the operations of addition, subtraction, multiplication, and division to solve problems! Math magicians will participate in an activity that uses a calculator and a bag...
Maths Blog
Adding/Subtracting Whole Numbers in Your Head
Exercise those mental math muscles! This worksheet contains 10 addition and 10 subtraction problems which require learners to compute sums or differences in their heads. A quick review at the top of the page provides a strategy based on...
US Environmental Protection Agency
Building an Model Aquifer
With almost half of Americans relying on groundwater supplies, it is more important than ever to protect aquifers from possible contaminants. Working in small groups, young environmentalists explore this problem as they create an aquifer...
Curated OER
Bean Addition
A hands-on lesson created students use beans as manipulatives to solve addition number sentences. Requires the book, Mission Addition by Loreen Leedy.
Curated OER
Grade 2: Texas Problem Solving
Second graders use numerical data about Texas to write and solve real-life problems involving addition and subtraction (or multiplication and division). They work in pairs to choose three numerical facts about Texas to use to make up...
Curated OER
Words, Words, Words
Second graders choose estimation strategies in real-world problem situations and explain the choice. They work in groups of five using three different estimation methods to find out how many words are on a page of text.
Curated OER
Understand Subtraction and its Relationship to Addition
In this subtraction and addition worksheet, students calculate the answers to the subtraction problems and then check their answers using addition. There are 18 problems to solve on this worksheet.
Curated OER
Let's Play Ball
For this probability worksheet, students read about a group of students who play six games of basketball and the results. Students solve 6 word problems about the basketball games.