Calculator Soup
Calculator Soup: Odds Probability Calculator
Convert stated odds to a decimal value of probability and a percentage value of winning and losing. This calculator will convert "odds for winning" an event or "odds against winning" an event into percentage chances of both winning and...
Calculator Soup
Calculator Soup: Cubic Yards Calculator
Use this calculator to calculate cubic yards volume for a variety of different areas. Enter measurements in US units or metric units. Calculate volume from your measurements in inches (in), feet (ft), yards (yd), centimeters (cm), or...
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.
Khan Academy
Khan Academy: Multiplying and Dividing by Powers of 10
In this exercise, students practice multiplying and dividing by powers of 10. Students receive immediate feedback and have the opportunity to get hints and try questions repeatedly.
CK-12 Foundation
Ck 12: Arithmetic: Decimals in Words
[Free Registration/Login may be required to access all resource tools.] Understand how to read and write decimals to the ten-thousandths place.
Khan Academy
Khan Academy: Multiplying and Dividing Decimals by 10, 100, and 1000
In this exercise, students practice multiplying and dividing decimals by 10, 100, and 1000. Students receive immediate feedback and have the opportunity to get hints and try questions repeatedly.
Homeschool Math
Homeschool Math: Multiply and Divide Decimals by 10, 100, and 1000
Lesson includes a video & examples showing the common shortcut for multiplying & dividing decimals by powers of ten. [7:59] Provides exercises and word problems for practice.
Illustrative Mathematics
Illustrative Mathematics: 5.nbt Are These Equivalent to 9.52?
Presents six sets of numbers in various formats and students are asked to determine which ones are equivalent to the decimal number 9.52 and to explain their reasoning. Aligns with 5.NBT.A and 5.NBT.A.3.
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...
Illustrative Mathematics
Illustrative Mathematics: 4.nf How Many Tenths and Hundredths?
Finish the equations to make true statements. The student must really think to encode the quantity in positional notation. Aligns with 4.NF.C.5.
Khan Academy
Khan Academy: Naming and Ordering Numbers Lesson
Get ready for your Praxis Core Math test with this lesson over naming and ordering numbers. You will review the skills being tested for this topic and complete practice problems.
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.
Calculator Soup
Calculator Soup: Percentage Calculator
Find a percentage or work out the percentage given numbers and percent values. Use percent formulas to figure out percentages and unknowns in equations. Add or subtract a percentage from a number or solve the equations.
Calculator Soup
Calculator Soup: Percent to Fraction Calculator
This online calculator converts a percent to a fraction. If the percent value is greater than 100% it is converted into a mixed number fraction. Enter percents to convert them into fractions. The number you enter can also have decimal...
NumberNut
Number Nut: Subtracting Money Under Ten Dollars
Find the difference between two money amounts. Values are expressed in decimal form, not coins. There are ten random questions.
Application Magazine
Aplicaciones: Numeros Decimales
Test your knowledge of decimal numbers. Final score will be given in each section.
Application Magazine
Aplicaciones: Transformaciones
Find out how well you know the decimal system. Final score will be given in each section.
ClassFlow
Class Flow: Decimals
[Free Registration/Login Required] This flipchart was created to introduce decimal place value, to fourth graders. The assessment component is only available to educators having access to study island.
CK-12 Foundation
Ck 12: Measurement: Metric Unit Length Conversions
[Free Registration/Login may be required to access all resource tools.] Convert metric units of length and round to a given place value.
Math Is Fun
Math Is Fun: Compound Interest Calculator
A calculator based on the compound interest formula that can be used to determine the Present Value, the Future Value, the Interest Rate, or the Number of Periods. You can select the type of compounding, the effective annual rate, and...
McGraw Hill
Glencoe: Self Check Quizzes 1 Rounding Decimals
Use Glencoe's randomly generated self-checking quiz to test your knowledge of rounding decimals. Each question has a "Hint" link to help. Choose the correct answer for each problem. At the bottom of the page click the "Check It" button...
CK-12 Foundation
Ck 12: Elem Math: Identifying Decimals on a Number Line to Thousandths
[Free Registration/Login may be required to access all resource tools.] For this learning module, students are asked to state the decimals to the thousandths place for given locations on a number line. Includes video demonstrating a...
CK-12 Foundation
Ck 12: Algebra: Estimation of Square Roots
[Free Registration/Login may be required to access all resource tools.] Approximate square roots to the nearest given decimal place
Math Is Fun
Math Is Fun: E (Euler's Number)
Explains what Euler's Number is, its significance, and the formula used to calculate this irrational number. Gives memory tricks for remembering the value of e to 10 or 15 decimal places. Looks at some interesting properties of e and how...