CK-12 Foundation
Add and Subtract Decimals with Front-End Estimation: Wooden Beams
A six-question interactive tasks mathematicians to solve addition and subtraction problems using front-end estimation. Question types consist of multiple-choice and true or false. A set of wooden beams that can be measured using moveable...
Arizona Department of Education
Area and Perimeter of Regular and Irregular Polygons
Extend young mathematicians' understanding of area with a geometry lesson on trapezoids. Building on their prior knowledge of rectangles and triangles, students learn how to calculate the area of trapezoids and other...
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...
Curated OER
Decimals - Mid Chapter Quiz
Here is a decimals worksheet in which learners complete a quiz asking about least to greatest, standard form, sums, and more having to do with decimals. They complete eight problems.
Curated OER
Decimals Worksheet: Addition
In this decimals learning exercise, 5th graders solve 20 addition of decimals to 3 places in a horizontal format; answer key included.
Curated OER
Operations with Decimals
Teach your learners to solve word problems. They will review how to add, subtract, multiply, and divide with decimals. Then they solve multiple problems.
Curated OER
Mat 0024 Section 1.4: Signed Numbers and Decimals
This activity has a little of everything. Compare fractions, determine if numbers are less than, greater than, or equal to. Then practice lining up the decimals to add and subtract decimal numbers. Then multiply decimals remembering to...
Curated OER
Column Addition Money 4 Digits Sheet 4
In this column addition worksheet, students add four-digit numbers together with decimals that represent money. They then turn the horizontal problems into vertical problems and complete 20 of them.
Math Salamanders Ltd.
Column Addition Money 3 Digits Sheet 2
In this finding the sums of money problems learning exercise, learners add three-digit problems with decimals and regrouping. Students solve 20 problems. 
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...
Curated OER
Real-Life Problems
When did math become so relevant? Scholars choose from four operations to solve five word problems dealing with money and measurements. They show their work in a designated space, and must include units in their answers. Learners work...
Curated OER
Real-Life Problems
Choose your operation; scholars read five math-application word problems and determine which of four operations to use in solving each. They work with time and measurements, making sure to include the proper units in their solutions....
Los Angeles County Office of Education
Assessment For The California Mathematics Standards Grade 6
Test your scholars' knowledge of a multitude of concepts with an assessment aligned to the California math standards. Using the exam, class members show what they know about the four operations, positive and negative numbers, statistics...
Curated OER
Estimating Sums of Money
By rounding, scholars find that adding money amounts becomes a breeze! They round two and three-digit numbers (with decimals) in these addition problems to get approximate sums. For each, mathematicians write the new addition equation...
Curated OER
Adding and Subtracting: Examples
If you'd like to show learners a variety of ways to solve addition and subtraction problems, consider this slide show. It contains several examples of four-digit addition and subtraction problems that are solved several ways. Vertical...
Curated OER
Addition And Subtraction of Decimals
Learners participate in a lesson of adding and subtracting decimals. They should review place values with decimals before beginning the lesson. The lesson plan also includes sample problems for the teacher to use in direct instruction....
Curated OER
More Addition Using Tenths - Version 1
In this addition worksheet, students find the sums to 40 decimal addition problems. They work with addends that have numbers from the tenths place to the hundreds place.
Curated OER
Adding Decimals
For this addition of decimals worksheet, students add up to 4 digit numbers together with decimals in them. Students complete 12 problems.
Curated OER
Math in English Skills IX Exercise Book
Wouldn't it be great if you had a packet of worksheets that covered percents, adding, dividing, and comparing fractions and decimals? Click here and print a workbook with over 20 well-scaffolded pages that will help your class practice...
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
Fractions, Decimals, and Percentages Got You Down? "Tri" This!
Students explore number sense by creating a math presentation in class. In this parts of a whole instructional activity, students define and discuss the relationship between fractions, decimals and percentages before completing a problem...
Virginia Department of Education 
Practical Problems Involving Decimals
After discussing decimals and "going shopping" in the classroom, young mathematicians are given four practical word problems that require them to estimate their answers, given specific information. The highlight of the activity is...
EngageNY
The Relationship of Addition and Subtraction
Add an outstanding resource to your repertoire. The first installment of a 36-part module looks at the relationship between addition and subtraction through an activity using tape diagrams. Pupils develop the identities w – x + x =...
EngageNY
Substituting to Evaluate Addition and Subtraction Expressions
Substitute this resource for what you used to use. Learners identify patterns in data tables and write addition and subtraction expressions to represent relationships. Substitution allows them to solve problems in context in the 20th...
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
