Curated OER
Compounding with 100% Interest Rates
Your young economists will be amazed at the effect of compounding interest more frequently in this collaborative task about making sound financial choices. Learners are walked through the calculations of a couple of examples and then...
West Contra Costa Unified School District
Decimals and Fractions
Reinforce the concept of fractions and decimals as part of a whole with a lesson plan that begins with a mixed review, then goes into a three problem guided practice, and ends with a collaborative activity. The guided practice and...
Curated OER
Compounding with a 5% Interest Rate
The balance in an account continuously compounding interest is the context of this engaging task. Your young accountants will investigate the ending balance in an account as they compound the interest more and more. Learners write the...
Homeschool Math
Homeschool Math: Decimal Place Value: One Decimal Digit
This is a complete lesson with instruction and varied exercises, explaining how the place value system works with decimals that have one decimal digit, and how to write such decimals in expanded form.
Varsity Tutors
Varsity Tutors: Hotmath: Practice Problems: Decimals, Expressions, Operations
Twenty problems presented on the topics: working with expressions, using the distributive property, decimal place value and decimal operations. They are given with each step to the solution cleverly revealed one at a time. You can work...
University of Colorado
University of Colorado: Ph Et Interactive Simulations: Make a Ten
An interactive simulation that teaches about place value, addition, and subtraction by adding, breaking apart, and combining numbers by making tens and focusing on place value. This simulation can either be downloaded or played online...
Lawrence Hall of Science
The Math Page: Skill in Arithmetic: Subtracting Whole Numbers and Decimals
If you are looking for a website that explains and defines subtraction with decimals you have arrived at an excellent resource. There are even practice problems at the very end of the lesson.
Homeschool Math
Homeschool Math: Comparing Decimals
This is a complete lesson with video instruction [5:49] and varied exercises about comparing decimals with 1 or 2 decimal digits.
Lawrence Hall of Science
The Math Page: Skill in Arithmetic: Percents Are Ratios
This Math Page tutorial explains how percents are ratios and then features a practice exercise.
Lawrence Hall of Science
The Math Page: Skill in Arithmetic: Multiplying and Dividing by Powers of 10: The Meaning of Percent
This excellent math resource explains and defines the meaning of percent. Multiplying and dividing by a power of 10 is incorporated as a preview to understanding scientific notation.
Texas Instruments
Texas Instruments: Numb3 Rs: Onion Peeler
Based off of the hit television show NUMB3RS, this lesson introduces students to the concept of changing number bases, as well as gives some insight into Internet privacy through "onion routing." Students translate hexadecimal numbers...
AAA Math
Aaa Math: Subtracting Decimals
This personal site explains how to subtract decimals of the tenths place value. Includes games to practice this skill.