Worksheet
Curated OER

Algebraic Expressions

For Students 9th - 11th
In this algebra worksheet, mathematicians identify important vocabulary related to solving equations. They create and simplify expressions and solve word problems. There are a total of 10 questions that provide a good review of the first...
Lesson Plan
Illustrative Mathematics

Shake and Spill

For Teachers Pre-K - 1st Standards
Entertaining as well as educational, this math activity about decomposing numbers is bound to capture the engagement of young learners. Given a cup and five two-color counters, young mathematicians simply shake and spill the cup,...
Lesson Plan
Curated OER

20 Tickets

For Teachers 1st - 2nd Standards
A great hands-on activity involving adding and subtracting, beginner mathematicians determine how many games can be played with 20 tickets. Instead of tickets, youngsters use 20 counters or linking cubes to represent the amount of...
Worksheet
Curated OER

Fact Families

For Students 1st - 2nd
With a few extra numbers, these fact families would be complete! After looking at an example, scholars write in the sums and differences for six equations as part of three different fact families. This is really for beginners to this...
Lesson Plan
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Curated OER

Find A System

For Teachers 9th - 12th Standards
Learners must think critically about the graphical and algebraic forms of a system of linear equations in order to come up with their own system when given a point that is the solution to the system.
Worksheet
Curated OER

Subtracting Decimals #2

For Students 4th - 5th Standards
Subtraction is more fun when there's money involved! Fourth graders subtract amounts of money and units of measurement in sixteen vertical and horizontal problems. The last two problems are word problems, helping your kids practice...
Lesson Plan
Illustrative Mathematics

DVD Profits, Variation 1

For Teachers 7th - 9th Standards
The idea in the resource is to understand the connections between proportional relationships, lines, and linear equations. To stay within the context of the standard, skip the part of the resource that solves with unit rates. Instead,...
Lesson Plan
Illustrative Mathematics

Many Ways to Do Addition

For Teachers Pre-K - 1st Standards
A great aspect of teaching math is that children have the freedom to solve problems using a variety of different strategies. The focus of this lesson is for young mathematicians to become aware of many ways of answering addition...
Worksheet
Curated OER

Subtraction equations

For Students 1st - 2nd
In this subtraction instructional activity, students subtract one digit numbers which are represented by pictures of fruit. Students fill in the numbers for the 3 subtraction problems.
Worksheet
Curated OER

Fraction Subtraction

For Students 5th - 8th
In this fraction subtraction with common denominators worksheet, students problem solve and calculate the answers to thirty subtraction equations.
Worksheet
Curated OER

Integers - Objects Model

For Students 6th - 7th
Sixth and seventh graders solve 19 various types of problems related to integers as objects models. They write an integer that corresponds to each letter on a number line and then, arrange the integers from least to greatest. Pupils also...
Lesson Plan
Curated OER

Roman Bernardo: Solving Linear Equations

For Teachers 7th - 9th Standards
Mathematicians use an inquiry method to solve linear equations. In this linear equations lesson, students practice solving equations using addition, subtraction, multiplication and division. They solve multi-step equations and equations...
Lesson Plan
Curated OER

Goldfish Addition and Subtraction

For Teachers K
Engage in a hands-on addition and subtraction activity that is a wonderful tie-in with ocean studies. As the teacher, you will make up equations using construction paper and goldfish crackers.
Lesson Plan
Curated OER

Ten Sly Piranhas: Subtraction with Goldfish Crackers

For Teachers K - 2nd
Class members listen to the William Wise book Ten Sly Piranhas and act out the story with one child playing the piranha. They use goldfish crackers (eating them to show subtraction) to demonstrate and understand equations they see...
Lesson Plan
Curated OER

Developing Strategies for Addition and Subtraction

For Teachers 2nd - 4th
Primary graders develop strategies to assist them with addition and subtraction. They discover number combinations and numerical facts which enable them to add and subtract more effectively. Students use these techniques to complete...
PPT
Curated OER

Subtraction Problems

For Teachers 4th
In need of a complete and thorough presentation that shows reviews and implements problem solving? Four basic problem-solving steps are outlined, and a complex word problem involving subtraction is presented and used to demonstrate the...
Worksheet
DK Publishing

Real-Life Word Problems

For Students 1st - 3rd Standards
Prepare your second graders for word problems with a straightforward review worksheet. Use it after a unit on addition and subtraction up to 100, or after you have worked on money math. A sample word problem prompts young learners to...
Worksheet
Curated OER

Adding and Subtracting from 10

For Students 1st - 2nd
Here is a nicely designed instructional activity on adding and taking away from ten. Learners complete the simple problems with the help of a number line that appears at the top of the page. Some of the equations have a missing addend,...
Worksheet
Curated OER

Subtraction 5

For Students 4th - 7th
In this mathematical subtraction worksheet, students problem solve eighty equations involving the skill of subtraction of two and three digit numbers.
Worksheet
Curated OER

Find the Difference

For Students 4th - 6th
In this find the difference worksheet, students solve subtraction equations and answer word problems. In this subtraction worksheet, students solve eighteen problems.
Worksheet
Curated OER

Subtraction Worksheet

For Students 3rd - 4th
In this subtraction puzzle instructional activity, students solve six subtraction puzzles by solving for the difference of several equations. There are four subtraction problems for students to solve in each puzzle.
Worksheet
Curated OER

Addition and Subtraction Fact Families

For Students 1st - 2nd
In this adding and subtracting fact families learning exercise, students solve a mixture of addition and subtraction equations. Students solve 30 problems.
Interactive
Curated OER

Solving System of Equations by Addition or Subtraction

For Students 9th - 12th
In this online math activity, high schoolers solve systems of equations by using addition and subtraction . This excellent resource allows the students to check their answers, and to get "hints" should they run into difficulties. A...
Interactive
Curated OER

Solving System of Equations by Multiplication and then Addition or Subtraction

For Students 9th - 12th
In this online math worksheet, students solve equations to determine the value of "x" and "y." This excellent resource allows the students to check their answers, and to get "hints" should they run into difficulties. A terrific teaching...

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