Curated OER
Regroup and Subtract
In this regroup and subtract worksheet, students "use making 10 strategy" to regroup ones and tens and subtract 5 problems. A reference web site is provided.
Curated OER
Gremlins
First graders investigate the missing numbers on an equation chart in order to practice their addition and subtraction skills. They work with sums up to twenty and use up to twenty objects to work with subtraction equations. They listen...
Pennsylvania Department of Education
Comparing Sets
Young scholars count back with cubes to model subtraction problems. In this subtraction lesson plan, students compare sets of problems and record their results in a table.
Curated OER
Balancing
Learners use a balance to complete subtraction problems and weigh out the items they take away. For this subtraction lesson plan, students use a pan balance and record their equations.
Curated OER
How Many More?
Young scholars complete subtraction problems where they use goldfish crackers as their manipulatives in the problem. For this subtraction lesson plan, students use words and pictures to also show their problems.
Curated OER
Hoping Backward to Solve Problems
Students use number lines to compare differences. In this math lesson, students use a number line to solve problems. Students predict differences and answer puzzles using subtraction.
Curated OER
Order of Operations
In this order of operations worksheet, students complete problems containing parenthesis, addition, subtraction, multiplication, and division. Students complete 10 problems.
Curated OER
Common Core State Standards 1st Grade Math
Here are the complete set of the math practice standards and the Common Core standards for first grade. They cover operations & algebraic thinking, operations in base 10, measurement and data, and geometry. Illustrated nicely with...
Curated OER
Take Away Bar 2
Students use an Internet tool, The Take-Away Bar" to solve subtraction problems. They use mental strategies to subtract a two-digit number from a larger two-digit number. Students write and solve subtraction problems. They describe...
Alabama Learning Exchange
How Clouds Form
Young scholars analyze how clouds form. In this cloud formation lesson, students brainstorm types of clouds and what they think they're made of. Young scholars conduct an experiment to see how clouds form and discuss their observations....
Alabama Learning Exchange
Tiger Math Graphing
Learners practice various skills using the book Tiger Math: Learning to Graph from a Baby Tiger. After listening to the story, they create a pictograph using data collected from the text. They also color a picture of a tiger, collect...
Alabama Learning Exchange
The Very Hungry Class
Students listen to a read aloud of Eric Carle's, The Very Hungry Caterpillar, as an introduction to their study of the metamorphosis of a butterfly. They participate in a number of cross-curricular activities in this unit of lessons.
Curriculum Corner
“I Can” Common Core! 1st Grade Math
Any first grader can master the Common Core math standards with this checklist! With each standard rewritten as an affirmative I can statement, children are provide with clear goals to work toward throughout the school year.
Display an...
National Security Agency
Money Maters: Integers are Integral!
A thoroughly-written lesson plan and a plethora of worksheets about integers comprise this resource. Neophyte number crunchers learn to recognize integers, add and subtract them, and apply the concepts to the designing of a personal...
Curated OER
Balancing Act
Second graders identify the attributes of various shapes and estimate the weight of the objects. In this geometry lesson, 2nd graders identify the attributes of concrete objects and use a pan balance to weight them.
CPM
Order of Operations
Middle schoolers solve problems that include applying the order of operations to each expression. A nice review of the process is provided in a box at the top of the page, but it does not follow the PEMDAS acrostic. There are 15...
Curriculum Corner
Math Common Core Checklist for K-6
As the school year progresses, it can be challenging for teachers to keep track of the specific math standards they've covered and those that remain to be taught. This Common Core checklist solves this problem, providing educators with a...
Cornell University
Nano What?
The size of a nanoparticle is difficult for pupils to grasp. A hands-on experiment is designed to give your classes perspective. Learners analyze different sports drinks for the content of electrolytes as an introduction to nanoscale....
Curated OER
Order of Operations: PEMDAS
In this order of operations worksheet, students solve 10 problems using concepts of PEMDAS. Answers and hints are available on-line; a reference web site for additional resources is given.
Curated OER
Order of Operations: PEMDAS
In this order of operations worksheet, students read the PEMDAS rules and then complete a 15 question online interactive quiz.
Curated OER
Jelly Belly: What a Wonderful "Bean"!
Students explore how jelly beans are produced. They discuss the origins of the jelly bean and view a video about how jelly beans are prepared, tested, shaped, finished, and shipped and estimate the amount of jelly beans in a jar and sort...
Curated OER
"How Many Names for 100?"
Fifth graders work on the different possibilities of reaching the number 100. The class is divided into homogeneous groups for cooperative learning. The lesson uses discussion questions to help with problem solving.
Curated OER
Ziplock Chemistry
Students investigate various chemical reactions when creating mixtures in ziplock baggies. In this chemistry lesson, students will recognize various chemical reactions and cite evidence. Safety and assessment strategies are included in...
Curated OER
Building a Topographic Model
Students explore the features of a topographic map. They make paper models that portray, in three-dimensions, features represented by contour lines on a topographic map. Students demonstrate different elevations shown on a...