Curated OER
Adding and Subtracting Fractions/Mixed Numbers (2)
In this adding and subtracting fractions and mixed numbers worksheet, students add and subtract combinations of three fractions and mixed numbers with uncommon denominators. Students solve 10 problems.
Math Mammoth
Add & Subtract Integers Fact Sheet
Guide young mathematicians through the crazy world of negative numbers with a handy reference document. Offering clear instructions for adding and subtracting positive and negative integers, this resource is a great way to support...
Curated OER
Add and Subtract
Like the cubs in A Fair Bear to Share, your 2nd grade class will practice adding and subtracting double-digit numbers by grouping, regrouping, and sorting a collection of objects. This requires many resources, but it is well worth the...
Curated OER
Adding and Subtracting Mixed Fractions (D)
Use this mixed number worksheet to have your charges complete a total of 10 problems using mixed numbers. Answers and link to additional worksheets included page 2.
Curated OER
Adding and Subtracting Fractions (C)
Use this fraction worksheet to have your mathematicians add and subtract mixed numbers and fractions, 10 problems total. Answers and a link to other worksheets on page 2.
Curated OER
Number Sense and Numeration
Students add and subtract integers. For this algebra lesson, students discuss number sense as they sort numbers in the correct order. They analyze and label numbers differentiating between rational and irrational numbers.
Curated OER
Add and Subtract Decimal Ten Thousandths [D]
In this decimal worksheet, learners solve a total of 32 problems; all problems either add or subtract ten thousandths. Answers included on page 2.
Curated OER
Add and Subtract Decimal Ten Thousandths [E]
In this decimal worksheet, students solve a total of 32 problems; all problems either add or subtract ten thousandths. Answers included on page 2.
Curated OER
Add and Subtract Decimal Ten Thousandths [I]
In this decimal worksheet, students add and subtract a total of 32 problems, all decimals are ten thousandths. Answers included on page 2.
Curated OER
Add and Subtract Decimal Ten Thousandths [F]
In this decimal instructional activity, students solve a total of 32 problems; all problems either add or subtract ten thousandths. Answers included on page 2.
Curated OER
Add and Subtract Decimal Ten Thousandths [G]
In this decimal worksheet, students solve a total of 32 problems; all problems either add or subtract ten thousandths. Answers included on page 2.
Curated OER
Add and Subtract Decimal Ten Thousandths [H]
In this decimal activity, students add and subtract a total of 32 problems, all decimals are ten thousandths. Answers included on page 2.
Curated OER
Fraction X--Adding Unlike Denominators
In this math PowerPoint, the process of adding fractions with unlike denominators is broken down into a logical, easy-to-follow sequence of steps. Definitions and examples of multiples, least common multiple, and least common denominator...
Curated OER
Number Bonds
Being able to recognize number bonds that make 10 is a great way to help learners add 3 digits together. First they make 10 by adding two numbers together, then they assess 3 digit addition sentences, where they make 10 first then add-on...
Florida Center for Instructional Technology
A Human Number Line: Teacher Notes
Twenty-one pieces of tagboard can lead your class to a greater understanding of integers when you use them to form a human number line. After creating this math tool, two strategies for adding and subtracting will have your...
Curated OER
Today's Number
Using the number of days they have been in school, learners practice fining sums by adding ten, subtracting ten, and determining even and odd numbers. They write equations and build numbers with the fewest number of base ten blocks.
Curated OER
Early Mental Math: Practice
Pupils start from a given number and count forward by 1s, 2s, and 10s. They "make ten" in 4 addition problems, and add or subtract 2 in the rest. Finally, they circle the odd numbers in a list from 1-14.
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.
Ohio Department of Education
Actions with Fractions: Adding and Subtracting Fractions with Common Denominators
Fourth graders develop a conceptual understanding of fractions and begin to add and subtract fractions with like denominators. Included is a worksheet to assess readiness and a teacher's checklist showing class understanding at a...
Curated OER
Adding and Subtracting Fractions with Like and Unlike Denominators
In this math worksheet, students compute with fractions. Five of the problems involve common denominators. Four of the problems require students to first find the common denominator. Six problems are multiple choice. One problem involves...
Curated OER
Adding and Subtracting Integers
In this adding and subtracting integers learning exercise, students find the sum or difference of 9 problems. Students then evaluate 4 expressions given certain values.
Curated OER
Estimating Sums and Differences
Work on rounding, estimating, adding, and subtracting with a helpful math worksheet! Fifth graders study different sets of addition and subtraction problems, and after rounding each number to the leading digit, they estimate what the sum...
West Contra Costa Unified School District
Simplify Expressions and Solve Equations Using Two-Column Proofs
Increase understanding of the algebraic properties and their importance. Scholars justify their steps as they simplify expressions and solve equations. They formalize their work as two-column proof.
Curated OER
Adding and Subtracting Fractions (1)
In this adding and subtracting fractions instructional activity, students problem solve and calculate the answers to ten fraction equations dealing with addition and subtraction.