Curated OER
Further Rounding
For this rounding off worksheet, students determine if 8 statements could be rounded off to the nearest ten, hundred, thousand, ten thousand, hundred thousand or million. Students draw and complete a table of 5 numbers, rounding the...
American Museum of Natural History
Meet the Universe's Main Attraction ... Gravity
Learners read a short description about gravity and what it does and then explore the two ideas about how gravity works. After gaining a better understanding of the concept, individuals participate in a thorough experiment on what would...
K12 Reader
What Causes Reflections?
Your kids probably use mirrors every day, but do they know how they work? A reading passage about reflection and reflective objects can address both physical science and reading comprehension. Kids read the paragraphs and use context...
Mathed Up!
Area of Sector and Length of Arcs
Viewers learn how to apply proportional reasoning to find area of sectors and arc lengths with a video that starts off explaining how to find the areas of circle sectors and the lengths of arcs. Scholars then practice solving problems...
American Museum of Natural History
Drawing Dinos
Five steps walk budding artists through the process of drawing a dinosaur. A drawing guide showcases four dinosaurs—stegosaurus, tyrannosaurus rex, triceratops, and allosaurus.
Curated OER
Rounding
In this rounding worksheet, students solve 9 different problems that include various forms of rounding numbers. First, they round each number to the nearest whole number and then tenth place. Then, students write each number to 2 decimal...
Curated OER
Rounding to the Nearest Million
In this rounding off instructional activity, students round off 5 numbers to the nearest million and redraw a chart rounding off 5 areas to the nearest million square km.
Curated OER
Numerical Analysis: Machine Representation of Numbers
In this machine representation of a number worksheet, students explore definitions such as floating-point, round-off error, binary representation of a number, mantissa, and sign bit. They identify significant digits and determine how...
Curated OER
Popcorn Geography
Students use kernels to create a "Top Corn-Producing States" map or graph. They read and round off numbers. Students identify on a U.S. outline map the location of corn-growing states. They create a visual (map or graph) illustration...
University of Waterloo
Rounding and Estimating 1: Introduction
Pupils practice mental math skills in math drills. They play the online interactive game "Rounding Off" to practice rounding off different numbers. Afterward, they complete a paper based follow up exercise for reinforcement.
Curated OER
Rounding Numbers
Fifth graders demonstrate rounding numbers to a sensible level of accuracy and in context. They discuss rounding numbers for newspaper headlines, complete a table of grocery items that need to be rounded, and observe and demonstrate...
CK-12 Foundation
Seasonal Changes in Plants: Leaf Pigment
Leaves fall off the tree in the autumn, but why do they change colors? The interactive covers the role of chlorophyll and photosynthesis. It also explains both carotenoids and anthocyanins.
K20 LEARN
Shanking A Shark: Shark Dissection
Sharks are so cool, they have their own week! Take young zoologists on a journey into one of the most amazing creatures on the planet. A lesson plan the from K20 Center engages them in a full dissection. After the lab, participants...
Curated OER
Round Whole Numbers to Nearest Hundreds
For this rounding whole numbers worksheet, learners round a set of 18 numbers to the nearest hundred. Answers are included on page 2.
Curated OER
Adding Two- and Three-Digit Numbers
In this adding two- and three-digit numbers worksheet, learners, with a partner, problem solve and calculate the answers to eight mathematical word problems and equations.
Curated OER
Hollywood’s Top Ten
In this entertainment worksheet, middle schoolers answer 6 questions about their top ten favorite movies. The questions have no right answer because they are subjective.
Curated OER
Number Manipulation
In this number manipulation worksheet, students solve 4 different types of problems that include number manipulation. First, they use division, multiplication, addition, or subtraction to make each set of numbers into equations which...
Curated OER
Rounding Off and Approximation
In this rounding worksheet, middle schoolers round numbers to the given place value. They draw models of each given situations. This one-page worksheet contains 8 problems.
Curated OER
How To Calm Back-to-School Nerves
Set students up for success with these tips for getting the year off to a smooth start.
Curated OER
Stage a Debate: A Primer for Teachers (Lincoln-Douglas Debate Format)
For a comprehensive overview of debate styles and formats, look at this resource. It details the Lincoln-Douglas debate format (one-to-one debate with specific, timed rounds of points, cross-examination, and rebuttals). You can also find...
Cornell University
Shedding a "Little" Light on Cancer Surgery
Many types of cancer treatments now depend on nanotechnology—a big "little" discovery. Scholars begin by removing "malignant" tissue from simulated brains, one using fluorescent markers thanks to nanotechnology and one without. This...
Curated OER
Graphs
For this graphs worksheet, students solve and complete 15 various types of problems. First, they determine the range of the function of the graph shown and write in interval notation. Then, students find the domain of the function in the...
American Chemical Society
Defining Density
Three simple activities kick off a unit investigation of density. Your physical scientists make observations on the volume and mass of wood, water, and rocks, and make comparisons. Though this is written for grades three through eight,...
101 Questions
How Many Hot Dogs?
Top off your hot dogs with a little math. Learners view a video on a hot dog eating contest, and then answer questions using estimation. Using a table of hypothetical data, they create algebraic expressions to represent the situation.