CK-12 Foundation
Numbers with Decimal Place Value: Battleship Decimals
Decimal place value is the topic of a Battleship themed-interactive. Scholars answer five questions—multiple-choice and true or false—while referencing a grid that acts as the board game. The practice concludes with a discussion question.Â
National Math + Science Initative
Introduction to Decimals
Three activities make up an introductory lesson designed to create a strong foundation in comparing fractions to decimals and exploring and building decimal models. Pupils brainstorm and complete a Venn diagram to show how decimals and...
EngageNY
Decimal Expansion of Pi
Develop a better understanding of the value of pi. Learners explore the area of a circle using estimation and graph paper. While continuing to estimate the area of the circle using smaller and smaller grids, the number pi emerges.Â
Curated OER
Decimal Bingo
Practice converting decimals into fractions. They draw a 3x3 grid and write in any nine common fractions with denominator 10 or 100 and with numerators 9 or less. The group listens as the teacher call out decimal numbers within the given...
Curated OER
Math Puzzle Picture
The key to solving this puzzle lies in the addition skills of young learners. The first step is to answer a series of decimal addition problems organized in a 4x5 grid. Then cut apart the page of puzzle pieces, each one including an...
Curated OER
Mental Math Warmup
The equivalency of fractions, decimals, and percents is the focus of this short, but effective, presentation. Learners view grids of squares that are shaded in varying degrees. They must calculate the fraction, decimal, and percentile...
National Security Agency
Go One-on-One with Decimals
Shoot and score with three basketball-themed lessons about decimals. Young mathematicians compare game statistics, make trash can hoops, and play a data spinner game to practice identifying digits and values within decimal numbers.
Curated OER
Decimal Models
Before jumping into numeral decimals, explore them visually using this base 10 strategy. There is a set of examples to help scholars understand the concept. They color in grids to represent decimals written in a variety of ways. Some...
EngageNY
A Fraction as a Percent
It is all about being equivalent. Class members convert between fractions, decimals, and percents. By using visual models, scholars verify their conversions in the 25th portion of a 29-part series.
Center for Applied Linguistics
Practical Applications of Fractions, Percents, and Decimals
Young architects are prompted to design a playground in assigned groups. Using a 10 x 10 grid. Your fifth graders will apply their knowledge of fractions, percents, and decimals to the real-world task of designing a playground. Students...
Los Angeles County Office of Education
Assessment for the California Mathematics Standards Grade 5
Test young mathematicians' knowledge with an assessment aligned to California's fifth grade state standards. The exam covers a multitude of concepts including fractions and decimals, positive and negative numbers, measurement; and how to...
Curated OER
Decimals - Tenths and Hundredths
One of the better presentations on teaching decimals is here for you. In it, learners practice identifying tenths and hundredths by looking at grids of 100 squares that have been shaded. Number lines are also used to give pupils a...
Curated OER
Comparing and Ordering Fractions, Mixed Numbers, and Decimals
Students practice comparing and ordering fractions, mixed numbers, and decimals. In this fractions, mixed numbers, and decimals lesson, students examine a decimal place value chart compared to a whole number place value chart. They...
Ohio Department of Education
Fraction and Decimal Equivalency
Mathematicians make representations of fractional parts of a whole and learn that a decimal is another way to represent a fractional part. Understanding is extended by comparing and ordering fractions and decimals on a number line. This...
Curated OER
Decimal Notation
In this decimal notation worksheet, students write the decimal value of the shaded grids, fill in a grid based on a decimal value, write decimal words as numbers, and interpret a graph using decimals. A very nice resource.
Curated OER
Bits and Pieces I
Sixth graders examine making smaller parts out of fractions and decimals. For this online interactive fractions, decimals, and percents lesson, 6th graders represent fractions with denominators of ten. Students then represent powers of...
Curated OER
Tenths and Hundredths - Reteach 21.1
Learners review explanations and models, use grid paper to draw models to show fractions and decimals, and convert them. Pupils solve sixteen problems.
Curated OER
Decimal Magic Squares
In this math activity, students solve the puzzle of the magic square as a grid of numbers where the values in each of the rows, columns and diagonals adds up to the same sum.
Curated OER
Quotients with Fractions and Decimal Fractions
In this quotients with fractions and decimal fractions, students use their problem solving skills to solve the problems in 3 division tables.
Curated OER
Rounding Decimals
Fourth graders engage in a lesson that is about the concept of rounding decimals. They review place value and focus it upon the practice of rounding. Students use 10 base decimal grids or models to help make connections with the skill.
Shodor Education Foundation
Pythagorean Theorem
Most adults remember learning about the Pythagorean theorem, but they don't all remember how to use it. The emphasis here is on developing an intuitive understanding of how and when to use the theorem. Young mathematicians explore...
PHET
Area Model Decimals
Area works with decimals too. Pupils use the interactive to model multiplication of two decimals using an area model. They see how the decomposed components of the factors obtain partial products and then the complete product. Using area...
Curated OER
Fraction and Decimal Garden
Third graders write fractions and decimals using unifix cube models and grid paper. They draw a garden using grid paper and label each section with the correct fraction and decimal to the tenths. This is a clever way to use manipulatives...
Curated OER
Introducing the Concept: Percents
Students explore the math concept of percents. In this percents instructional activity, students examine visual examples of the relationships among fractions, decimals, and percents. Students also practice solving problems that their...