Curated OER
Interesting Integers
Middle schoolers add and subtract integers. In this algebra lesson, students analyze integers using hands on manipulative. They solve problems of addition and subtractions using their signs correctly. They play a game of cards to...
Curated OER
Tetrahedral Dice
Put those thinking hats on and look at all the possible outcomes from rolling two different four-sided dice. The challenge in this problem is finding all the combinations when adding and subtracting the numbers from each die and creating...
Curated OER
Shipping on the Hudson
Students track movements of ships, tugboats, and barges on the Hudson River estuary in order to practice addition and subtraction skills. They solve word problems by reading and interpreting data from a table. They calculate distances...
Curated OER
Subtracting Integers: Math, Physical Education, Dancing, Negative Numbers
Students demonstrate their understanding of positive and negative integers by adding and subtracting. More importantly, students explain why a negative number, subtracted from a negative number, changes the operation.
Willow Tree
Fractions
There’s a fine line between a numerator and a denominator. Learners review operations with fractions and ensure they have the skills needed to progress in the course. Taking the time now to review these concepts allows individuals to...
Curated OER
Is That Your Final Answer?
This unit on integers includes a pre-test, a post-test, four spreadsheets, and links to an interactive web-site to support the learning of integer operations. Access to computers and the Internet are imperative to this unit. The lessons...
Curated OER
Math Review (Preparing for CST)
Students integrate Math and Music to practice the concept of adding and subtracting decimals. In this math review lesson, students explore music as a way to build math skills. Students listen to the "Decimal Song" and then write a math...
Curated OER
Using Doubles
Bring this easy shortcut to your first grade addition lesson! By adding doubles (6+6, for example), and then adding or subtracting 1, kids learn how to solve simple addition problems with ease. This trick is especially helpful for...
Curated OER
More or Less Pigs in the Pen
Kindergarteners practice basic addition and subtraction. In this math instructional activity, students sing a song about pigs on a farm to help them understand the concept of adding and subtracting things together. Some excellent...
Curated OER
Subtracting Across Zeros
In this subtracting across zeros worksheet, students analyze the information and examples for how to regroup multiple times if there are zeros in a series. Students then solve 9 problems.
Curated OER
Introduction: Time Word Problems
In this word problems activity, students read through 2 time word problems and the answers to each problem. They then solve 2 time word problems on their own.
Blogger
Integer Operations Posters
Eliminate young mathematicians' confusion over performing operations with integers using this set of classroom displays. Providing learners with simple, easy-to-follow rules, this resource will have students fluently adding,...
California Education Partners
John's Trip Disneyland
It all adds up to one. Pupils solve several items that involve finding sums of fractions in relationship to a whole. The assessment task uses fractions with unlike denominators to determine the amount of a tank of gas and the amount of...
Curated OER
Integer War
Sometimes all it takes for a good review is a game of cards. Review the processes needed to add, subtract, divide, and multiply integers. In groups, learners play the card game war with a twist. They can use the numbers as either...
Curated OER
Algebra 1: Simplifying Radicals
After discussing the difference between rational and irrational numbers, the class pratices simplifying, adding, and subtracting radical expressions. They play a game which involves passing around cards until they have matching hands of...
Curated OER
Combining Integers
Seventh graders explore the concept of adding and subtracting integers. In this adding and subtracting integers lesson, 7th graders use white and red beans to demonstrate adding and subtracting integers. Students play an on-line game...
Curated OER
Circles and Clocks, Shapes and Time
Students work in groups to research clocks and practice telling time. In this telling time instructional activity, students use the computer program ProQuest to study circles, including radius and diameter, and practice drawing circles...
Curated OER
Add or Subtract Part 2
In this addition and subtraction learning exercise, students write and solve 6 number sentences to find the answers to each word problem. Students write their answers in a sentence format.
Mathed Up!
Area of Compound Shapes
Scholars learn how to determine the area of compound shapes by finding the areas of the basic shapes that make it up. Pupils find the areas by adding areas together or subtracting them.
Curated OER
Addition and Subtraction of Fractions
Students demonstrate how to solve addition and subtraction of fractions. In this fractions instructional activity, students use folded paper to shade in fractional parts and identify the sum of the parts shaded.
Math Learning Center
Second Grade Assessments and Scoring Checklists, Common Core State Standards
How are your second graders progressing in their math skills? Find out with a series of math assessment activities. With baseline assessment score sheets for each skill, you can track how well your kids are adding, subtracting, telling...
Curated OER
Fractions: A Conceptual Approach
If you are teaching fractions to elementary learners this year, this Singapore Math presentation is essential to your curriculum. It addresses several basic fractions concepts in conceptual terms and figures, making each idea accessible...
Curated OER
Math Relay
This is really a math review for older elementary learners to practice making equations using adding, subtracting, multiplying, and dividing in a fun way. They get to move around and play with hula hoops, bean bags, balls, and jump...
Curated OER
Subtracting Fractions
Students investigate the concept of subtracting fractions. They use a variety of problems in order to practice new skills. The independent practice is used to obtain an informal measurement of mastery with the use of a formal quiz for a...