Curated OER
Unknown Numbers in Sums and Differences
Your new mathematicians may think word problems sound scary, but this introductory set of scenarios will leave them feeling accomplished in their addition and subtraction skills! Learners read seven word problems, each requiring them to...
Curated OER
Area Applet
Elementary math classes calculate the area of a shape and explain the correlation between the size of the perimeter and the areas that can be contained within that perimeter. They also explain the effect the shape of the perimeter has on...
Curated OER
Shop till You Drop! Working with Money
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...
Curated OER
Dividing with Fractions
Use paper strips or models to relate division problems to division of fraction problems. Since the materials can be broken up, it helps them to show how they can complete repeated subtraction with fractions and not just whole numbers.
Curated OER
Adding and Subtracting Integers
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.
Curated OER
Simplifying Expressions (Addition and Subtraction)
Seventh graders simplify algebraic expressions using addition and subtraction to combine like items and solve for the variable. They work with inverse operations to solve equations with guided practice. Everyone completes various...
Curated OER
Add and Subtract Decimals
In this decimal worksheet, students read about adding and subtracting, then complete a set of 31 problems, adding, subtracting, solving for values of expressions and solving equations.
Curated OER
Math Relay
This is really a math review for older elementary learners to practice making equations using adding, subtracting, multiplying, and dividing in a fun way. They get to move around and play with hula hoops, bean bags, balls, and jump...
Curated OER
Subtraction Timed Test
How many subtraction problems can your learners complete in 90 seconds? This timed test worksheet suggests 90 seconds to complete twenty-one 1-digit subtraction problems. There are two tests (with problems in a different order) on one...
Curated OER
Online Math Facts Games
Pupils use online games to reinforce math-facts knowledge, engage in a game the way they might be engaged in an arcade game, and try to be one of the class's top-scorers each week. A good filler or extension activity.
Math Salamanders Ltd.
Column Subtraction (No Regrouping) - 2 Digits Sheet 1
In this subtraction worksheet, students complete two-digit subtraction problems without regrouping. Students complete 12 subtraction problems.
Math Salamanders Ltd.
Column Subtraction - 4 Digits Sheet 4
In this column subtraction with four digits worksheet, students subtract, rename, and keep the columns aligned to get the correct answer.
Math Salamanders Ltd.
Column Subtraction (No Regrouping) 3-digits Sheet 1
For this column subtraction activity, students subtract three-digit numbers from each other without regrouping. Students complete 15 subtraction problems.
Curated OER
Adding and Subtracting Mixed Numbers Lesson Plan
Students investigate fractions while adding and subtracting mixed numbers. They discuss how to add and subtract mixed numbers and they practice working with mixed numbers. They complete a worksheet while working with mixed numbers.
Curated OER
Adding and Subtracting Mixed Fractions (F)
In this adding and subtracting like mixed numbers worksheet, students solve 10 problems that require them to add and subtract like mixed numbers.
Curated OER
Fraction Test: Mixed Operations
In this fractions learning exercise, students practice their fractions skills by completing problems. Students complete twenty-five fractions problems. Students add, subtract, multiply, and compare fractions in this learning exercise.
Curated OER
Adding and Subtracting Fractions 1
In this fractions worksheet, students solve 10 problems, adding or subtracting simple fraction pairs. Page has links to multiple resources.
Curated OER
Adding and Subtracting Fractions 3
In this beginning fractions activity, learners complete a set of 10 problems, adding or subtracting fraction pairs. Page has links to multiple resources.
![Adding and Subtracting Fractions [D] Worksheet](http://content.lessonplanet.com/resources/thumbnails/9418/large/bwluav9tywdpy2symde3mdmyms0yntezmy16owhty2quanbn.jpg?1490091519 "Adding and Subtracting Fractions [D] Worksheet")
Curated OER
Adding and Subtracting Fractions [D]
In this fraction instructional activity, students complete a total of 10 problems, adding or subtracting fractions. Answers are included on page 2.
![Adding and Subtracting Fractions [F] Worksheet](http://content.lessonplanet.com/resources/thumbnails/217827/large/nziymtg5lmpwzw.jpg?1414307582 "Adding and Subtracting Fractions [F] Worksheet")
Curated OER
Adding and Subtracting Fractions [F]
In this fraction learning exercise, students complete a total of 10 problems, adding or subtracting fractions. Answers are included on page 2.
![Adding and Subtracting Fractions [H] Worksheet](http://content.lessonplanet.com/resources/thumbnails/217826/large/nziymtg4lmpwzw.jpg?1414307856 "Adding and Subtracting Fractions [H] Worksheet")
Curated OER
Adding and Subtracting Fractions [H]
In this fraction worksheet, students complete a total of 10 problems, adding or subtracting fractions. Answers are included on page 2.
![Adding and Subtracting Like Fractions [E] Worksheet](http://content.lessonplanet.com/resources/thumbnails/217380/large/nzixnti3lmpwzw.jpg?1414307339 "Adding and Subtracting Like Fractions [E] Worksheet")
Curated OER
Adding and Subtracting Like Fractions [E]
In this fraction worksheet, students add or subtract 10 fraction problems. Answers included on page 2; a link to additional worksheets is present.
![Adding and Subtracting Fractions [D] Worksheet](http://content.lessonplanet.com/resources/thumbnails/9417/large/bwluav9tywdpy2symde3mdmyms0ynteyoc0xnhpqa20ylmpwzw.jpg?1490091517 "Adding and Subtracting Fractions [D] Worksheet")
Curated OER
Adding and Subtracting Fractions [D]
For this fraction worksheet, students add or subtract 10 fraction problems. Answers included on page 2; a link to additional worksheets is present.
![Adding and Subtracting Fractions [C] Worksheet](http://content.lessonplanet.com/resources/thumbnails/217379/large/nzixntixlmpwzw.jpg?1315013716 "Adding and Subtracting Fractions [C] Worksheet")
Curated OER
Adding and Subtracting Fractions [C]
In this fraction worksheet, learners add or subtract like fractions, 10 problems total. Answers are included on page 2 and a link to more worksheets is present.