Curated OER
The Abacus
The class reads an explanation of the how the ancient calculation tool, the abacus, works. They examine four abacus images and record the number shown on each of them.
Curated OER
Counting with Place Value, with the Abacus
Students study an abacus while counting marathon runners. In this place value lesson, students watch a video segment on how counters keep track of marathon runners to reinforce the idea of place value.
Curated OER
A Model for Tens and Ones: Reading an Abacus
Interpreting pictures of an abacus, learners write 2-digit numbers. They read and transcribe abacus beads in the tens and ones places. For extension, they draw pictures to represent the numbers 9 and 90. Really bring it to life using a...
Curated OER
Food Pyramid Abacus
Students investigate the Food Pyramid by constructing a creative project known as a Food Pyramid Abacus. They correlate the color beads withe each food group and the number of recommended servings from each. The abacus is a learning tool...
Curated OER
Manipulatives Make Abstract Math Concepts Concrete
Using math lessons that include manipulatives can help cement learning.
Bright Hub Education
Math Lesson for Visually Impaired Early Learners: A 3 Way Counting Activity
A unique lesson plan that's designed for visually impaired early learners, but can be adapted for anyone, is here for you. Pupils use brightly colored foam letters, beads, checkers, and an abacus, in order to gain practice in identifying...
Curated OER
Abacus Work
In this abacus worksheet, learners use abacus pictures to determine 5-digit sums. In this fill in the blank worksheet, students write eight answers.
Curated OER
Partition Into thousands, hundreds, tens and ones
An abacus may be old, but it's still a great visual tool. Young mathemeticians look at, study and analyze 8 abacus images. They look at each image to determine how many beads are in each place value. They work with thousands, hundreds,...
Curated OER
Science in History Part I: the Abacus To the Modern Computer
In this math information instructional activity, students read one page factual accounts of the early math inventions of the abacus, the calculator and early computers. There are 40 questions to answer about the reading.
Curated OER
Three-Digit Addition
Students work with hundreds place value, create and manipulate three-digit addition problems, and add three-digit numbers.
Curated OER
The History of Mathematics
Research the interrelationship between math and science. Search the Internet to discover the history of several branches of mathematics and make text-to-world connections between the concepts covered in each branch with related...
Curated OER
Understanding: Computing
Students examine how a pebble calculator works and compare it to an abacus. After a discussion on the abacus and pebble calculator and how each works, they construct their own pebble calculators. They determine how to represent...
Curated OER
Domain: Operations and Algebraic Thinking
Practice basic operations for young mathematicians in fun ways! Using two decks of cards (Ace through 10 plus the joker), learners play "memory" by matching numbers that can be added to make 10 and writing number sentences. In another...
Curated OER
Math 312. Harmonic Functions
In this harmonic function worksheet, students use the Cauchy-Riemann equations to find the imaginary part of the function. They explore the harmonic conjugate and solve a 2-dimensional Laplace equation. This two-page worksheet contains...
Curated OER
Math 312 Spring 98 - Complex Exponential Functions
In this function activity, students solve complex exponential and logarithm functions. This two-page activity contains approximately six problems.
Curated OER
Math 312 Spring 98 - Cauchy's Residue Theorem
In this Cauchy's Residue Theorem, students use the theorem to solve given functions. They evaluate integrals. This two-page worksheet contains two problems.
Curated OER
Math 312 Spring 98: Cauchy's Integral Formula
For this integral formula worksheet, students find the area of odd shapes by using the contour integration formula. They compute the area enclosed by an ellipse. This two-page worksheet contains three problems.
Curated OER
Math 312 Spring 98. Contour Integration
In this contour integration instructional activity, students compute the value of integrals, sketch the contour and list the parameterization used. This two-page instructional activity contains three problems.
Curated OER
School in the Past
School was a lot different in the past. Let your class discover what life in school would be like if they lived in the 1800's. Starting with the ring of the school bell, this presentation shows how kids learned and how they were...
Curated OER
What is Probability?
Students use an abacus as well as a calculator for calculations to bring multicultural awareness and appreciation to this instructional activity. They discuss the history of the abacus. Students compare/contrast the abacus to the computer.
Denver Public Schools
Kung-hsi Fa-ts' ai! – A Chinese New Year Celebration
Looking for ideas for your Lunar New Year celebration? Check out an interdisciplinary unit of study that includes lessons in counting, calligraphy, culture, geography, literature, art, and music. Kung-hsi Fa-ts' ai! (May you become rich!)
Curated OER
A Scheduling Dilemma
Students solve train-scheduling word problems using a four-step problem solving model. In this problem solving instructional activity, students work in groups to a four-step procedure about a train scheduling dilemma.
Curated OER
Quiz: Simple Picture Multiplication
In this picture multiplication worksheet, students solve four picture multiplication problems and six one-digit times one-digit problems.
Curated OER
Money for starters
Students compare the values of coins and paper money. They read prices, read and write any 2-digit number. They model and explain addition calculations with a sum of up to 20.