Decimals games and tutorials online
Fractions to Decimals and vv.
Change fractions to decimal numbers or decimal numbers to fractions.
Fractions Vs. Decimals Calculator
This page is about converting a fraction into a decimal fraction and the patterns that occur in such a decimal fraction. It is interactive and you can use the calculators to investigate fractions for yourself to many decimal places.
A self-teaching worktext for 4th grade that gives a solid foundation for decimals. It covers tenths and hundredths, comparing decimals, adding and subtracting decimals both mentally and in columns, multiplying decimals by whole numbers, rounding, estimating, and money problems.
Download ($4.30). Also available as a printed copy.
Place value concepts
Place Value Strategy
Place 3 or 4 digits given by the spinner to make the greatest number possible.
Beat the Clock
Type in a decimal shaded in the square in this timed game.
Ordering / comparing
Put the sequence of decimal numbers into ascending order by switching them around. Refresh the page from your browser to get another problem to solve.
A self-teaching worktext for 5th-6th grade that covers the four operations with decimals up to three decimal digits, concentrating on decimal multiplication and division. The book also covers place value, comparing, rounding, addition and subtraction of decimals. There are a lot of mental math problems.
Download ($6.25). Also available as a printed copy.
Grow flowers and harvest them to make money in this addictive order-'em-up game. Practice ordering decimals, fractions, and percentages. The game starts with ordering decimals (daisies), and proceeds into fractions (tulips or roses).
Decimals in Space
An asteroids style game where you first answer a question about the smallest decimal, then get to shoot asteroids, earning points based on the numbers on them.
Addition, subtraction, multiplication, and division of decimals
Decimal Squares BlackJack
Take cards with decimals, trying to get as close to 2 as possible, but not go over.
A self-teaching worktext for 6th-7th grade that covers all of decimal arithmetic, using up to six decimal digits, scientific notation, metric system, and all of fraction arithmetic using larger denominators than in lower grades.
Download ($7.10). Also available as a printed copy.
A Decimal Puzzle
Make every circle add up to 3.
FunBrain Decimal Power Football
Simple games for addition, subtraction, multiplication, and division of decimals, including missing factor/divisor types. Solve a problem, and the football player moves on the field.
Decimal and Square Root Gizmos from Explorelearning.com
Interactive "Gizmos" illustrating comparing and ordering decimals, multiplying with decimals, sums and differences with decimals, solving equations with decimals, and exploring square roots. Exploration guide and assessment questions included. By subscription, but has Free 30-day trial account. Excellent resources.
Practice decimal multiplication in this fun car racing game.
Learning Decimal Numbers
Tutorial for the teacher, filled with learning ideas, illustrations that work, common misconceptions, case studies etc. You can also buy this tutorial as a Teaching and Learning about Decimals CDROM.
Maths Teaching Ideas—Decimals
Ideas for activities, worksheets, printable decimal place value chart and number lines.