Curated OER
Subtracting Greater Numbers
In this subtracting greater numbers worksheet, students, with a partner, problem solve and calculate the answers to six addition equations.
Curated OER
Math Lesson: Just How Many is a "Million Dead"?
Students are able to convert large numbers into meaningful ratios. They are able to conceptualize 1 million. Students grapple with the concept of a million. They use this activity to convey the idea of millions by converting war death...
Curated OER
How High?
Fourth graders play an estimation game to guess how sheets of paper are in a pile and then guess who high a stack of one million would be. They work in small groups to explore ideas for working out how high the stack would be.
Curated OER
Hang a Million
Students hang 200 sheets of paper, each with 5000 X's, around the classroom. When completed, this gives them a concrete example of 1,000,000 which will be useful in getting a feel for the lengths of time involved in evolution.
Curated OER
Estimating Large Numbers
Students experience large numbers by estimating the number of grass blades in a field. They work in small groups to determine numbers of blades of grass in a small area of a field and apply that to determining the total number of blades...
Khan Academy
Khan Academy: Multiplication and Division With Powers of Ten
Practice solving multiplication and division problems that involve powers of ten. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video, or receive hints.
Varsity Tutors
Varsity Tutors: Hotmath: Algebra Review: Really Big and Small Numbers
Find a quick, concise explanation of the names of large numbers all listed in a table. Other interesting tidbits of information about the names of larger numbers are also included. Names of decimals numbers are also included at the end...
E-learning for Kids
E Learning for Kids: Math: Ice Cream Shop: Numbers to 100,000,000
On this interactive site students learn to read and write large numbers in numerals, round numbers to millions, and locate prime and composite numbers.
Math Is Fun
Math Is Fun: Metric Numbers
The system of metric numbers is explained with numbers from the infinitesimally small to unfathomably large. Charts listing the numbers by powers of ten make the system easier to understand.