Curated OER
Body Math
Students solve simple math computations while practice their throwing skills. They explore how to subtract, add,divide,and multiply, while playing a fun fitness oriented game.
Curated OER
Add and Subtract fractions with like denominators
In this add and subtract fractions worksheet, students add and subtract fractions with like denominators. Students complete 3 problems.
Curated OER
Using Addition to Subtract
In this addition and subtraction worksheet, students practice the skill of adding and then challenge themselves by a back-to-back subtraction equation that relates to their first addition problem.
Houghton Mifflin Harcourt
Introducing the Concept: Adding and Subtracting With Negative Integers
A basic narrative is outlined for teaching a lesson on the addition and subtraction of integers. Using a number line, you can demonstrate how to find the sum of a positive and negative integer. On the right side of the page are links to...
Curated OER
Adding and Subtracting With Negative Numbers
Fifth graders access prior knowledge of calculating using a number line. In this adding and subtracting with negative numbers lesson plan, 5th graders use a number line to solve math problems.
Curated OER
Technology Lesson Activity: Fractions
Fifth graders practice using the English measuring system by creating fractions. In this parts of a whole lesson, 5th graders combine math key bars to simulate small parts of a bigger item. Students combine the pieces to create...
Curated OER
Subtracting Two- and Three- Digit Numbers
In this subtraction with regrouping instructional activity, students solve 15 problems in which 2 or 3 digit numbers are subtracted with borrowing. There are examples to help.
Curated OER
Adding and Subtracting With Negative Numbers
Students solve equations with negative numbers. In this addition and subtraction lesson, students review how to add and subtract with positive and negative numbers on a number line. Students discuss the outcomes of adding two negative...
Curated OER
Adding Integers II
In this adding integers worksheet, students solve 10 problems, adding integers. Students may click on hint or check answer buttons. Page has links to additional resources.
Curated OER
Adding Integers
In this integer worksheet, students solve 12 problems, adding integers. Answers and hints are available on-line; a reference web site for additional resources is given.
Curated OER
Expert Estimators
A rich and well-designed lesson on estimation is here for you. The lesson utilizes a video; ITV Series: The Eddie Files 'Estimation: Going to the Dogs,' along with many websites. Several fantastic learning activities are...
Curated OER
Mental Math for Adding Decimals
Fifth graders work in groups to practice adding decimals. In this adding decimals lesson, 5th graders call out different money amounts to each other and mentally add the coins called out. Students take turns calling out and adding the...
Open Text Book Store
Arithmetic for College Students: Worksheets
Loaded with concepts ranging from multiplying decimals to converting units to solving problems using the order of operations, a thorough practice packet is perfect for a fifth or sixth grade math classroom.
Curated OER
Let's Shop
Upper graders add and subtract decimals, using concrete objects and story problems. Note: The Concentration Cards and Homework assignment link at the bottom of the plan doesn't work.
Curated OER
Number Base Clocks
Students investigate place value in base ten. In this number sense lesson, students participate in an online lesson at www.shodor.org/interactivate/activities/NumberBaseClocks and demonstrate how to convert numbers from base ten to other...
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
Fractions of A Pizza
Learners view a large illustration of a pizza with parts of velcro. In this addition and subtraction of fractions lesson, students solve problems based on the pieces missing from the pizza. Learners take a fraction quiz. Order a fresh,...
Curated OER
Discovering New Units
Students use Cuisenaire rods to explore common denominators. In this fractions lesson plan, students build Cuisenaire representations of fractions, then find their equivalent counterparts to find the common denominator.
Curated OER
Division of Decimals
Work with the class to investigate the concept of dividing decimals. They will use a variety of problem-solving skills in order to practice the operation of division. The teacher can use the dialogue to guide learners through the various...
Curated OER
Magic Sum
Students calculate two-digit addition problems. They observe a teacher-led demonstration, and solve various problems independently.
Curated OER
The Android Factory
Pupils explore the idea that primitive virtual 3D objects can be reshaped to infinitely original combinations using additive and subtractive methods. They create 3-D objects with a computer which necessitates a cooperation of right-brain...
Curated OER
Decimals: Collaborative Lesson
Students explore mathematics by participating in a group activity. In this number value lesson, students identify the uses for decimals and how to best estimate whole numbers based on decimals and fractions. Students collaborate with...
Curated OER
Fraction Addition and Subtraction
Students learn skills necessary for adding or subtracting fractions.
Curated OER
Addition and Subtraction of Signed Numbers
Students explore the concept of adding and subtracting using positive and negative numbers. In this addition and subtraction of signed numbers instructional activity, students use pennies to represent positive and negative numbers....