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Curated OER
Discount and Sales Price
One of the most practical ways to teach about percentages is to use the real-life example of "sale" or "discount" pricing. This presentation poses many of these type of problems for young mathematicians who are trying to master the...
CCSS Math Activities
Smarter Balanced Sample Items: 7th Grade Math – Target B
Fraction and integer operations follow the same rules. Assess the depth of understanding with operations with rational numbers using a presentation from the Grade 7 Claim 1 Slideshow series. A set of slides presents 12 question and...
Curated OER
Adding and Subtracting Like Mixed Numbers (7)
In this mixed number fractions worksheet, 5th graders add and subtract to solve the mixed number fractions. Students solve 10 fraction equations.
Curated OER
Adding and Subtracting Like Fractions (10)
In this like fractions activity, 5th graders add and subtract the like fraction equations. Students solve 10 addition and fraction equations.
West Contra Costa Unified School District
Adding by finding 10's
Count with ten frames in a first grade addition lesson. Kids determine how to identify numbers on a number line, as well as with ten frames, and complete ten frames to show their answers in several addition problems.
Ohio Department of Education
Writing and Comparing Numbers in Scientific Notation-Grade Eight
Explore scientific notation in this mathematics instructional activity. Young mathematicians explore multiple representations of large number in scientific notation through the use of models, visual representation and expanded form. The...
Curated OER
Positive-Negative Charge Model For Integers
Use two different colors of bingo chips to represent positive and negative charges. Add and subtract them in a clear glass beaker to demonstrate how to add and subtract integers. This visual, along with a number line, will really help...
Curated OER
Weather In The World
Students investigate the weather in different places in the world. In this algebra lesson plan, students use technology to gain an understanding of how to study integers. They add and subtract integers on a number line.
Curated OER
Problems Using Time
What time will it be in thirty minutes? Scholars use three digital clocks to answer nine questions which require they add and subtract minutes from a given time. Learners record what time it will be in a specific number of minutes or...
Curated OER
Expressions and Equations
Develop understanding of algebraic expressions and equations by having your class define examples of each. The class discusses how parentheses affect the order of operations and learn how to solve for x. A variety of examples are used.
Curated OER
I'll Halve S'More, Please!
An episode of Cyberkids is shown, and learners interact with web based activities to discover how fractions are parts of a whole. They study the names of fraction parts, add and subtract fractions, and recognize equivalent fractions.
Curated OER
Revision of the Four Rules (Decimals)
Upper elementary and middle schoolers read through an explanation of how to divide, multiply, add and subtract numbers with decimals. They complete an exercise with 48 problems. Pupils can click on the "Check" box to determine whether or...
Curated OER
Time to Trick-or-Treat!
Use number lines to help scholars add and subtract time as they solve five word problems. Each scenario gives a starting or ending time and several tasks that take specified amounts of time. Scholars mark the number line to determine...
Curated OER
Subtracting Mixed Numbers
In this math instructional activity, learners subtract mixed numbers. Students find common denominators. They subtract the fractions and whole numbers.
Curated OER
Mental Maths
In this counting worksheet, students complete 22 fill in the blank problems where they are given a starting number and count by 1's, 2's, and 10's. Next. students answer 12 fill in the blank addition or subtraction problems where they...
Curated OER
Three-Digit Addition and Subtraction
In this three-digit addition and subtraction worksheet, students solve 49 problems. Each problem includes two three-digit numbers that students must add or subtract.
Curated OER
Counting Money Activity
Second graders explore commerce by practicing monetary transactions. In this consumer math lesson, 2nd graders practice using math functions to add and subtract different amounts of money. Students identify the different monetary units...
Curated OER
Amusement Park Basic Word Problems
For this basic math word problem worksheet, students practice their math skills as they solve 4 word problems that require them to add and subtract.
Curated OER
Computation with Fractions
Upper graders are introduced to the topic of fractions and percentages. In groups, they discuss real world situations in which fractions are present, and they complete a worksheet solving problems with common and uncommon denominators....
Curated OER
Shop till You Drop! Working with Money
Paper and coin currency are shown and reviewed, and then used to apply consumer math skills. Learners are given two examples of how they should line up decimal points and place values when adding or subtracting money. They watch as the...
Curated OER
Fractions . . . Are They Intricate or Elementary?
Elementary schoolers add and subtract fractions and mixed numbers and identify equivalent fractions of the same number. They use marshmallows to help them add fractions.
Curated OER
College Prep Algebra, Polynomials
In this algebra worksheet, young scholars multiply 20 sets of polynomials. They add and subtract with 6 problems. Students use the distributive property to simplify on several problems.
Curated OER
Moose Juice
Math can be delicious with a fun smoothie worksheet! Kids count the number of fruits that go into a smoothie in an activity worksheet, draw the fruit in the blender, and complete the addition problem on the side. Each page increases in...
University of Texas
Complex Numbers
Are complex numbers and binomials similar? This stack of slides provides an introduction to complex numbers and shows how to operate with them. The worked examples show a connection between operating with binomials and operating with...