These presentations by Monica Yuskaitis are particularly good. In this one, she shows viewers how to deal with subtracting fractions that have unlike denominator, no small task! This is a tricky process, and this PowerPoint takes young...

These presentations, designed by Monica Yuskatis, are among the best math PowerPoints you can find. Use this one to lead your pupils through the steps needed to subtract fractions with like denominators, then simplify the answers into...

This fractions PowerPoint defines and gives examples of multiples and least common multiple, then models how to list multiples and circle the least common multiple. Each step to use in subtracting fractions with unlike denominators is...

In this adding and subtracting decimals worksheet, students complete a set of 16 problems using decimals to the hundredths place. Page has multiple links to additional resources.

Addition and subtraction are studied in this math lesson. Upper graders add and subtract whole numbers up to 1,000 with and without regrouping.

What a great way to have pupils apply classroom learning to real-world skills! They complete problems involving the addition and subtraction of decimals related to banking-type questions, and then use a spreadsheet to display their results.

In this subtracting and comparing fractions word problem worksheet, students use two recipes to solve and explain the differences. Students solve six word problems.

Your learners will enjoy playing a game as a motivator to learning and remembering the adding and subtracting of fractions.

Pattern blocks and shapes demonstrate how to add and subtract fractions. By aligning blocks with different shapes, learners figure out how to create a whole, and then how to add and delete parts from that whole.

In this adding and subtracting of decimals worksheet, students add and subtract numbers containing decimals up to 4 digits. Students complete 16 problems.

For this algebra worksheet, students add and subtract 30 sets of polynomials. 12 problems involve addition, 17 are subtraction problems, and one involves both addition and subtraction of polynomials.

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...

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...

For this finding the differences of fractions with common denominators worksheet, students subtract the numerators, keep the same denominators, and reduce to lowest terms. Students solve 14 problems.

Young scholars subtract to 10 through the use of manipulatives. They will use craft sicks and the fact family on their practice pages. They examine how subtracting one always uses the larger number first.

Students investigate the concept of adding and subtracting polynomials. They put terms in the correct order in order to solve them vertically. They simplify first with combining like terms and then conducting the calculations. The...

The addition and subtraction of decimals is a relatively simple process. The most important thing to remember is to have all of the decimal points lined up. This presentation gives that strategy, plus some others to use when performing...

Use this mixed number instructional activity to have your charges complete a set of 13 problems, adding or subtracting mixed numbers. Answers are included on page 2, a reference web site is given for additional activities.

Give your mathematicians some practice with three-digit numbers as they complete these addition and subtraction problems. There are six vertically-formatted equations to start, then learners add to and subtract from eight numbers...

Middle schoolers use discs in order to add and subtract integers. There are manipulatives present so kinesthetic learners can access the curriculum. They also review the concept of the opposite of positive and negative numbers.

Subracting mixed numbers is the focus of this math presentation. The graphics, and explanations of the process are particularly good in this one. Many fine practice problems are present, and feedback is given for each answer arrived at....

When should you use a number line to add and subtract integers, and when should you use absolute values? Complete a set of worksheets designed to reinforce adding and subtracting integers with both standard problems and word problems....

Middle schoolers identify proper, improper fractions, and mixed numbers.  They reduce fractions to their lowest terms. They add and subtract fractions with different denominators, and multiply and divide fractions, as well as...

Money and measurement are often expressed as decimal numbers. Here are 20 well-worded problems intended to put decimal numbers in a real-world context. Learners will add, subtract, multiply, and divide to determine the answer to each...