EngageNY
Multi-Step Problems—All Operations
Harness the power of algebra to solve problems. Young mathematicians learn to work out multi-step problems by applying algebraic techniques, such as solving equations and proportions. They use tape diagrams to model the problem to finish...
Curated OER
Number and Operation: All About Monday - Does it Pay?
Solve real-world financial math problems. High schoolers will work through a series of problems as they look at credit card interest, bill payment, and other real-world personal money matters.
Curated OER
Putting Numbers in Order
Can your second graders put these 2 and 3-digit numbers in order from least to greatest? Fifteen sets of four numbers help them practice their place value, as well as their ordering skills. A great way to get them ready for more complex...
Curated OER
Adding 2-Digit Numbers, part 4
Practice adding it up! A very straightforward worksheet includes 36 addition problems, all with two-digit addends. Great for a timed math drill or a comprehensive review activity.
Curated OER
Rounding Decimals, from Hundredths Place to Whole Numbers
An efficient and straightforward decimals learning exercise! Young learners round amounts of money and measurements to the nearest dollar or meter. Each section contains 20 problems, making it easy to divide up this asignment into...
Curated OER
Subtracting Decimals
How well can your fifth graders work with decimals? What about subtracting decimals? Use this resource to practice these important skills. Sixteen problems help pupils subtract decimals to the hundredths place, while 10 problems at the...
Curated OER
Subtraction Drills, Part 2
Zoom through 32 subtraction problems! Second graders view the examples at the top of the page, then set to work on two-digit subtraction problems. Some problems involve borrowing. Use this resource as a quiz or homework assignment to...
Curated OER
Subtraction Practice, Part 3
A basic subtraction worksheet can help your second graders improve their problem-solving skills. Seventeen problems prompt learners to subtract two-digit numbers from two-digit numbers. None of the problems require carrying, so this...
Lorain County Community College
Solving Equations Using the Addition Property
Challenge your mathematicians to simplify and solve a variety of different equations. This worksheet focuses on multi-step problems that begin with combining like terms and advance toward solving equations with variables on both sides. A...
Curated OER
Operation Spaghetti
Find the math in recipes. Young chefs will follow a recipe and investigate the total cost for materials. They measure amounts of food necessary for the recipe and compute the per person cost.
Curated OER
Treasure Island XXVIII: Operations of Intelligent Behavior
Are you reading Treasure Island by Robert Louis Stevenson in your class? Provide your class with this reading guide for chapter 28. Readers respond to 10 questions, and there's a page dedicated to explaining the purpose and directions to...
Cold Spring Harbor Laboratory
DNA Words Are Three Letters Long
DNA writes 64 different words but only codes for 20 different amino acids. Budding scientists learn about where each of these numbers come from and why they aren't equal with an online interactive. The resource explains the research, the...
EngageNY
Properties of Inequalities
Class members explore the meaning of inequality by comparing numbers and building number sentences. Using number cubes, pupils find numbers and compare them using inequality symbols. As the activity continues, operations are added to...
Teach Engineering
Energy Conversions
What energy conversions occur in the operation of a device? Small groups investigate devices and the energy conversions that occur. The groups create energy flow diagrams with added conversion processes for each of the devices...
K5 Learning
Mixed Practice Word Problems #3
Seven word problems make up this mixed practice worksheet. Learners perform operations of addition and subtraction to solve problems using numbers up to 2,800.
CK-12 Foundation
Matrix Algebra: Matrix Match
What size is the product of two matrices? Individuals determine that two matrices that can be multiplied and their resulting matrix by connecting them in the interactive resource. They make a generalization about the sizes of...
Space Awareness
Where on Earth Am I?
Almost every phone has GPS installed, but a large number of teens don't know how the technology works. An initial activity illustrates how GPS determines a location on Earth. Scholars then apply trilateration procedures to a...
College Board
2008 AP® Macroeconomics Free-Response Questions
How could consumer confidence affect an economy otherwise operating smoothly? A prompt from College Board examines the topic. Other questions include exploring the production possibilities of two fictional nations and evaluating a...
Flipped Math
Special Right Triangles I
Introduce a special relationship with right triangles. Learners discover the ratio of the sides in a 30-60-90 triangle. After watching several examples and seeing two different methods, pupils find unknown sides in triangles. Scholars...
Scholastic
Study Jams! Multiplication & Division Equations
Sam sets up both a multiplication and a division equation and works them through step by step. The one of each type are provided as independent practice. Have your middle schoolers watch the animation at home and take the accompanying...
Carolina K-12
The US Financial System
Here is a unique activity in which learners simulate operations of a fractional reserve banking system, ultimately gaining a better understanding of how banks work and process money creation through lending. It includes a Story of Banks...
CK-12 Foundation
Revolutions of Earth: Planet Cube
Does assessing Earth Science vocabulary making your head spin? Test scholars' knowledge of revolving and rotating using an interactive tool. The movement of a new planet and its moon is in their hands, allowing them to explore...
American Battle Monuments Commission
The Great War: A Visual History
Immerse yourself in the military operatives of the Great War with an interactive timeline and map. As high schoolers click on each year of World War I, they can select individual battles, campaigns, troop movements, and notable victories...
American Institute of Physics
African Americans and Life in a Secret City
Imagine the lure of being offered a job at a secret site, working on a secret project, and earning higher wages! Such was the approach used to recruit African Americans to Hanford, Washington, one of several sites used to develop...
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