Raytheon
Adding and Subtracting Decimals
For this adding and subtracting decimals instructional activity, students add and subtract numbers with decimals in word problems. Students complete 12 word problems.
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 in...
Education Development Center
Micro-Geography of the Number Line
Young mathematicians dive into the number line to discover decimals and how the numbers infinitely get smaller in between. They click the zoom button a few times and learn that the number line doesn't just stop at integers. Includes a...
Curated OER
Decimal War
Pupils play a math game. In this decimals and fractions lesson plan, they use base ten blocks to practice converting between decimals and fractions. Everyone plays a game called Decimal War to practice these concepts.
College of William and Mary
Decimal Operations Using Base 10 Blocks
Let's get this block party started and learn about decimals! Here are four main lessons that teach the operations with decimals while using base 10 blocks to provide a hands-on learning approach. Supplemental worksheets and other...
Curated OER
Fractions and Decimals
Voila! Young mathematicians become magicians as they turn fractions into decimals and decimals into fractions. They reference examples before completing 37 transformations on their own. The first 16 are fractions with a denominator of...
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.
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
Quick Quiz: Multiply and Divide with Fractions and Decimals
Here is a fraction and decimal worksheet in which learners solve eight problems that require them to multiply and divide using fractions and decimals.
CK-12 Foundation
Decimals as Mixed Numbers
A five-question interactive boosts scholars' knowledge of decimals and mixed numbers. Moveable base 10 blocks assist mathematicians in answering a series of multiple-choice and true or false questions. A discussion concludes the practice.
Helping with Math
Identifying and Writing Decimals up to Hundredths
Five sets of blocks representing whole units, tenths, and hundredths are grouped so that learners can evaluate the total values. This provides practice with place value and the use of decimals. Answers are included. The brevity of this...
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...
Curated OER
Arranging Decimals In Ascending/Descending Order
In this on-line worksheet, students complete 10 multiple choice questions where they arrange decimals in ascending or descending order. Students can check their answers at the end of the worksheet.
Curated OER
Two-Step Problems and Money Concepts
Elementary schoolers solve two-step equations and practice money concepts. They solve multi-step addition and subtraction contextual problems and apply money concepts to real life situations. Pupils use pictures and counters to help them...
Curated OER
Rounding Decimals
Looking for 60 opportunities for scholars to practice rounding decimals to the nearest whole number? You've found it! These problems are split into three sections based on the total number of digits in the number. The first section has...
Curated OER
BASE-ic Space Travel
In this 3-day place-value lesson, upper-elementary kids investigate the base 5 and base 2 systems as an introduction to exponents and powers. They create a pocket chart to help ground their understanding of bases, exponents, and powers,...
Curated OER
Base It
Third graders complete place value charts in the decimal system, the binary and Hexadecimal system. They discuss the contributions made by Ada Lovelace to computer language. They express the idea of place value with exponents.
Curated OER
Decimals, Percent and Scientific Notation
In this decimals, percent and scientific notation learning exercise, 9th graders solve various types of problems that range from shading an indicated part of a shape to calculating using scientific notation to express their answer. They...
DK Publishing
Subtraction Practice #3
Reinforce subtraction skills with twenty problems, all subtracting two-digit numbers from three-digit numbers. An additional five problems at the end of the page include decimals to the hundredth place. Great as a homework assignment or...
Curated OER
Place Value Made Simple
Elementary schoolers explore place value to the millions place. They construct and evaluate the value of numbers. Working in small groups, pupils problem solve with pocket place value charts, and examine standard and expanded forms. This...
Math Learning Center
Fifth Grade Assessments and Scoring Checklists, Common Core State Standards
Check for understanding with a set of math assessments. Fifth graders answer questions involving multiplication and division, median and mode, rotational symmetry, and graphing.
Noyce Foundation
Toy Trains
Scholars identify and continue the numerical pattern for the number of wheels on a train. Using the established pattern and its inverse, they determine whether a number of wheels is possible. Pupils finish by developing an algebraic...
Curated OER
Place Value of Decimals to Hundredths: Diving for Decimals
Constructing decimals correctly is a crucial concept for elementary students to grasp. Here, have the young mathematicians in your class explore standard and expanded form while comparing decimal values. This unit is taught while...
Balanced Assessment
Smaller, Larger, In-Between
Build a solid understanding of rational number relationships by asking class members to use various skills to order decimals, fractions, and numeric power expressions. Using the resource, they find that the fractions do not have an...