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
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 instructional activity 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...
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 worksheet, learners 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
Learners 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
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
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.
Curated OER
A Scheduling Dilemma
Students solve train-scheduling word problems using a four-step problem solving model. In this problem solving lesson plan, students work in groups to a four-step procedure about a train scheduling dilemma.
Curated OER
Quiz: Simple Picture Multiplication
In this picture multiplication learning exercise, 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.
Curated OER
Equivalency-Saying the Same Thing
Fifth graders use a scientific calculator to practice finding equivalencies They discuss the possible uses for the scientific calculator. They experiment with other basic functions using the calculator.
Curated OER
"ty" number
Second graders encounter the need to assess the code in English for tens is that the word ends in "-ty." They explore the meaning of two or three digit whole numbers to realize that the meaning of words like sixty can be decoded by...