Curriculum Corner
St. Patrick's Day Decimal Game
What better way to compare decimals than in a St. Patrick's Day themed game. Here, young leprechauns choose two cards from a stack, record the decimals on the provided worksheet, and compare them by using >, <, or =. Variate the...
Illustrative Mathematics
Movie tickets
This is a good Common Core question that relates inflation to operations with decimals and rounding. Young learners are asked to find out if an amount of money can purchase the same amount of movie tickets in 2012 as it did in 1987. They...
Curated OER
Repeating Decimal as Approximation
You are used to teaching repeating decimals with bar notation that keeps us from writing that number over and over again; now teach what the over and over again represents. This activity allows your mathematicians to explore the infinite...
5280 Math
Decimal Patterns
Find patterns in the process instead of the result. Learners convert series of decimals and fractions identifying patterns along the way. The lesson includes nine problem tasks with progressively more involved patterns.
Oregon Department of Education
Building Number Sense
It's never too early to begin a child's math education. This collection of fun hands-on activities engage youngsters in building their number sense as they learn how to count objects, identify numerals, compare amounts, and much more.
Curated OER
K-5 Mathematics Module: Number and Number Sense
Reinforce number sense with a collection of math lessons for kindergarteners through fifth graders. Young mathematicians take part in hands-on activities, learning games, and complete skills-based worksheets to enhance proficiency...
Illustrative Mathematics
Converting Decimal Representations of Rational Numbers to Fraction Representations
A rational number is a ratio of two integers. Discuss with your class how to convert the rational numbers of repeating decimals to fractions. A good commentary on letting x equal the repeating decimal and multiplying each side of...
Education Development Center
Geography of the Number Line
It's more than just numbers on a line, its an organizational, mental math machine to help learners understand the value of numbers. The tool is handy when introducing positive and negative integers to see their values and...
Illustrative Mathematics
Ants Versus Humans
You would think that humans make up more mass than ants do on this planet, but think again, and this time by performing calculations. Middle schoolers use scientific notation to compute and compare the estimated total mass of all humans...
Curated OER
The Value of Education
The real value of education is highlighted in more than one way on a worksheet designed to not only add, subtract, multiply, and divide decimals to hundredths, but also to address the correlation between higher pay...
David Pleacher
Candy Math Fun
Few things can motivate children to learn like the promise of a sweet and tasty treat. Given a bag of M&M®s, Skittles®, or other colorful candy, students first predict the contents of the bag before counting the pieces,...
Teach Engineering
About Accuracy and Approximation
How accurate are robots? Groups draw lines by moving robots backwards and forwards by one rotation of the wheels. Using the appropriate formula, they determine the percent error in the length of the lines in relation to the calculated...
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.
Texas Instruments
Texas Instruments: Comparing Decimals Wider Isn't Always Larger
In this activity, students learn to compare and order decimals. They learn to measure decimals by using the Number Line application.
BBC
Bbc Schools: Bitesize Math: What Are Decimals?
Find out how to write decimals using tenths and hundredths. This interactive activity has students practice comparing decimals from smallest to greatest.
University of Waterloo (Canada)
Math Frogs: Ordering Decimals
Test your knowledge of decimal amounts. Can you put the decimals in order from the least to the largest? This is a great place to practice!
NumberNut
Number Nut: Decimals
Do you know what a decimal is and how it is related to fractions? Find out and practice your skills playing the related interactive games.
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...
Ministry of Education and Universities of the Region of Murcia (Spain)
Ministerio De Educacion Y Ciencia: Fracciones, Decimals Y Porcentajes
This interactive activity deals with the concepts of fractions, comparing fractions, all different arithmetic operations with fractions, converting a fraction to a decimal form and all different calculation with percents.
Teaching Treasures Publications
Teaching Treasures: Year Six Math (Page 2)
This interactive worksheet covers a wide range of math concepts such as Roman Numerals, distributive property, estimating sums, and comparing fractions and decimals. Some concepts may be slightly challenging. Learners can access the help...
National Council of Teachers of Mathematics
The Math Forum: Ask Dr. Math: Cake Recipe Ratio
Dr. Math has to go into the kitchen to solve this real-world problem. A student is looking for a solution to a ratio problem about baking a cake. You'll need to stir up your knowledge of ratios, fractions, decimals, proportions, and...
Varsity Tutors
Varsity Tutors: Hotmath: Practice Problems: Fractions, Number Theory
Twenty problems presented on the topics: factors, prime/composite and many aspects of working with fractions. They are given with each step to the solution cleverly revealed one at a time. You can work each step of the problem then click...
The Math League
The Math League: Percent & Probability
This tutorial gives definitions and examples of percents and probability and covers percent as a fraction and percent as a decimal.
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.