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...

Have your class play a game to review subtraction principles. In this presentation, learners answer questions related to subtracting numbers up to the millions. This is a fun way to practice these skills.

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...

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...

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....

Have your class practice working with fractions using this resource. Learners simplify fractions, convert fractions to decimals, subtract decimals, and add fractions. This is a terrific center activity. 

Paper and coin currency are shown and reviewed, and then used to apply consumer math skills. Learners are given two examples of how they should line up decimal points and place values when adding or subtracting money. They watch as the...

Solve subtraction problems like a pro. This Jeopardy style math review asks the class to subtract 2 digit numbers, to get to zero, to balance and equation, and to make new numbers. This is an excellent review that covers topics...

One step equations involving addition, subtraction, multiplication and subtraction.  Step by step methods of how to solve these equations and has practice problems for each operation.  Answers are provided.  As a...

Intended for 3rd or 4th graders, this simple fraction review covers addition, subtraction, and conversions of basic fractions. Presented in a Jeopardy-style format, this game will be fun and engaging for the whole class.

Here is a quiz which does not allow calculators. Kids solve a variety of problems that range from addition and subtraction of decimal numbers to probability and perimeter. There are 24 problems to solve. As stated on the resource, this...

Learning how to regroup can be a difficult concept to learn, as well as teach. This PowerPoint does an excellent job at visualizing the process with step-by-step guidelines and base ten animations. There are multiple examples for...

Have your pupils practice basic addition and subtraction skills using this presentation in a game format. Learners add and subtract large numbers and answer word problems. This is a great way to review these concepts.

A fabulous presentation on subtracting across zeroes awaits your class. They are coached on the best method to do these type of subtraction problems, then are given the chance to solve some on their own. Feedback is given whether they...

Integers can be challenging, but this presentation makes teaching integers a whole lot easier! Comprehensive information, a song, chant, and pop quizzes provide an in-depth look into what integers are, and how to add, subtract, and graph...

Use this handy presentation to clear up any confusion related to subtraction with regrouping. Each slide provides concrete examples of what occurs when one subtracts with regrouping. A full explanation and additional example problems...

View this presentation, which introduces the concepts of fractions, the parts of fractions, how to subract fractions with common denominators, and how to simplify the answers into lowest terms with your class. Use for an introduction or...

Valuable practice in subtraction awaits your math students in this engaging Jeopardy-style game. The students can earn bronze, silver, and gold medals by answering questions correctly. The categories include basic subtraction problems,...

Subtraction techniques, shortcuts, and tips are the focus of this presentation. Young mathematicians follow along as the slides go through the steps necessary to correctly borrow and regroup when subtracting. Students practice their...

Add and subtract 20 interesting problems, all written with ancient Egyptian numbers. A great challenge to increase interest in math and problem-solving skills, kids will work through each problem; answering by drawing the correct...

This PowerPoint is fully animated! Learners will subtract and add the number of fish Harold catches and puts in his boat. All sums and differences are under 6 and include algebraic  reasoning to figure out. Fun, interesting, and...

Eight word problems help learners to problem-solve using a calculator. They'll add, subtract, multiply, and divide to find each answer. Note: The problems are intended for a British audience so all monetary values are in pounds and...