Worksheet
Curated OER

Addition and Subtraction of Significant Figures

For Students 7th - 12th
In this significant figures worksheet, students add and subtract decimal numbers using the correct number of significant figures in the answers. This worksheet has 18 problems to solve.
Worksheet
Curated OER

Fourteen Adding and Subtracting With Decimals Problems

For Students 4th - 7th
In this decimals learning exercise, students add and subtract decimals in fourteen multi-part problems.  Six of these problems are word problems.  Solutions are provided.
Lesson Plan
Curated OER

Dinosaur Math

For Teachers 2nd - 4th
Students read How to Train with a T.Rex and Win 8 Gold Medals and solve math problems.  In this dinosaur math lesson, students write a math story to go with the dinosaur story.  Students discuss the needed strategies. Students...
Worksheet
Curated OER

Subtraction is 'Taking Away'

For Students 2nd
In this subtraction learning exercise, 2nd graders read two examples of how to do subtraction. The examples include pictures with crossing out steps to model subtraction. Students must solve 6 problems the same way the examples show.
Lesson Plan
Curated OER

Adding and Subtracting Fractions with Like and Unlike Denominators

For Teachers 6th - 7th
In this math worksheet, learners compute with fractions. Five of the problems involve common denominators. Four of the problems require students to first find the common denominator. Six problems are multiple choice. One problem involves...
Lesson Plan
Curated OER

Using Basic Properties to Solve Problems in Math

For Teachers 6th - 8th Standards
Learners identify and define the rules of properties of real numbers. They rewrite each of the problems listed using the commutative or associative properties. Pupils apply problem solving strategies to clarify situations in a table...
Lesson Plan
Curated OER

Factoring: A General Strategy

For Teachers 8th - 9th
For this algebra worksheet, students factor 10 polynomial expressions. Problems involve several approaches to factoring, including factoring out common elements by grouping, factoring the difference of two squares, and factoring the sum...
Lesson Plan
Curated OER

Making Cents of Fractions and Decimals

For Teachers 4th - 5th
Students explore decimals and fractions using groups of 100 pennies. By classifying the pennies in different ways, there are an unlimited number of ways to learn fractions, decimals, and place value in money. This is a good, hands-on...
Worksheet
Curated OER

Hands On: Repeated Subtraction

For Students 2nd - 3rd
In this repeated subtraction worksheet, learners use counters and repeated subtraction to solve the word problems. Students solve six problems.
Lesson Plan
Curated OER

You Be The Teacher

For Teachers 3rd - 4th
Students create their own math problems with one restriction, the answer the teacher gives them must be kept in a sealed envelope. They may make up any kind of problem they like.
Lesson Plan
1
1
Environmental Protection Agency (EPA)

The Case of the Mysterious Renters

For Teachers 4th - 6th
Upper-elementary kids examine the water usage in their own home, then use that data to solve a case in which a landlady is trying to determine how many people are living in an apartment being rented. Combine math, scientific method, and...
Lesson Plan
Curated OER

My Math Curse!

For Teachers 3rd - 5th Standards
Math novices examine how math can help them in real-world situations. They listen to the book The Math Curse by Jon Scieszka, solve various word problems from the book, explore various math websites, write original math word problems,...
Lesson Plan
Curated OER

"Reviewing Facts Through 10" Lesson Plan

For Teachers K - 1st
Explore the joy of math with you little learners! They practice creating math problems with numbers from a fact family using numbers 1-10. They work independently with a set of connecting cubes to aid them in creating number sentences...
Worksheet
Curated OER

Using Fact Families

For Students 3rd - 4th
For this math worksheet, students write two addition problems and two subtraction problems for each fact family. Students also write in the missing addition or subtraction sign and answer 6 questions about a word problem.
Lesson Plan
Curated OER

Algebra...Your Second Language

For Teachers 9th - 11th
Help learners translate word problems into algebraic equations. They will rewrite words using symbols and evaluate algebraic expressions using real life scenarios, animation sequences, video presentations, and activities to help students...
Lesson Plan
Curated OER

It's About Time!

For Teachers 2nd - 3rd
Young scholars examine concept of time, and explore difference between analog and digital clocks; students make art project to represent time and create a time-story problem and solution.
Lesson Plan
Curated OER

Fairy Tale Math

For Teachers 2nd
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...
Worksheet
Curated OER

Los números

For Students 7th - 9th
A clever way to review numbers in Spanish! First, learners write their phone numbers in Spanish. Then, after writing a series of numbers in Spanish (ranging from 9-1492), they write a group of math problems in Spanish. For example,...
Handout
Charleston School District

Solving with Inverse Operations

For Students 8th Standards
What does order of operations have to do with solving equations? A video explains solving two-step equations using a do/undo chart. Learners recognize the operations within an equation and use inverse operations to undo those...
Lesson Plan
1
1
PBS

Stories of Painkiller Addiction: Contemplating Nature vs. Nurture

For Teachers 6th - 12th Standards
Does having an addict in your family make it more likely to become one yourself? Explore the genetic risk factors, as well as the prominent environmental influences, for substance addiction in a instructional activity that encourages...
Lesson Plan
Curated OER

Tracking the Salt Front

For Teachers 3rd - 5th
Using the Hudson River as the focus, learners discuss the difference between salt water and fresh water environments, analyze maps and graphs, and complete addition and subtraction problems. This lesson comes with a wealth of...
Worksheet
Onondaga Community College

Subtract Mixed Numbers without Renaming

For Students 3rd - 7th Standards
Develop young mathematicians' fluency with subtracting mixed numbers using this collection of practice problems. Addressing the subtraction of mixed numbers with and without regrouping, this resource clearly models each process...
Printables
Houghton Mifflin Harcourt

Unit 2 Math Vocabulary Cards (Grade 3)

For Teachers 3rd
A set of third grade math vocabulary cards include topics that range from addition properties to terms like estimate and fact family. Each sheet has two cards on it. The top half is the word printed in bold text,...
Lesson Plan
EngageNY

Does Every Complex Number Have a Square Root?

For Teachers 11th - 12th Standards
Help the class find a better way. Pupils recall finding nth roots or a complex number in polar form from a previous module to find the square root of a complex number. Using the second installment in a series of 23, scholars discover it...