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Curated OER
Same Picture Subtraction and Addition
In this addition and subtraction worksheet, students make a subtraction and addition sentence for the same picture, then write additional sentences as instructed. A website reference for additional resources is given.
Curated OER
Use Addition to Help You Subtract
In this early childhood addition and subtraction activity, students solve 6 math story problems that help them see the relationship between adding and subtracting.
Curated OER
Addition: Number Bonds to 40
In this addition and subtraction activity, students use their problem solving skills to solve 41 problems as they fill in the missing numbers in each of the problems.
Alabama Learning Exchange
"Like Terms", I Add Them
Ninth graders add and subtract polynomials. In this Algebra I lesson plan, 9th graders work practice problems as they view a PowerPoint presentation of the lesson plan. Both the horizontal and vertical methods of addition and...
Curated OER
Understanding Whole Numbers
In this understanding whole numbers worksheet, 4th graders use a computer program for instruction, then answer 16 problems about addition and subtraction.
Curated OER
Let's Practice Our Math!
In this addition and subtraction worksheet, students solve 5 problems in which objects in sets are counted and added or subtracted. There are no number sentences, just picture clues. Students write the sum or difference.
Curated OER
Adding and Subtracting
Students will add and subtract numbers less than 100 as well as understand and use the inverse relationship between addition and subtraction. They compose/decompose numbers up to 10 and understand a variety of situations in which...
Curated OER
Visual Sum and Difference Word Problems - Matching Worksheet
Third grade mathematicians match the correct answer to eight word problems that ask them to add and subtract three-digit numbers. Beware the typos and the complex wording of the problems.
Curated OER
Operations with Decimals
Teach your learners to solve word problems. They will review how to add, subtract, multiply, and divide with decimals. Then they solve multiple problems.
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.
Curated OER
Fact Families
There is something to be said for fact families. Classmates read problems and write related fact families and number sentences. There are 6 wonderful problems to solve.
Curated OER
The Weight of Primates
Second graders practice their problem solving skills. In this addition and subtraction skills lesson, 2nd graders solve word problems that require them to find differences and sums. This lesson features the use of a video titled...
Curated OER
Investigation - Snack TIme
Students explore solving addition and subtraction problems. They solve real life problems. Students participate in a simulation activity to find the missing addend. They demonstrate adding and subtracting whole numbers.
Curated OER
One More/One Less Scoop
It's so simple: scoop a spoonful of counters, count them, and then make a set that is one more than that number. Next, make a set that is one less. The tangible nature of this basic addition and subtraction activity will keep learners...
Curated OER
Real-Life Problems
Introduce scholars to addition and subtraction word problems with visual guidance. There are five scenarios here, each with a picture to guide scholars as they solve. An example encourages kids to physically interact with the images,...
Curated OER
Missing Numbers Addition
In this addition and subtraction practice activity, students solve 24 problems that require them to write the missing numbers in the addition sentences.
Curated OER
Missing Numbers Addition (E)
In this addition and subtraction practice worksheet, students solve 24 problems that require them to write the missing numbers in the addition sentences.
Curated OER
Missing Numbers Subtraction (C)
In this addition and subtraction practice worksheet, students solve 24 problems that require them to write the missing numbers in the subtraction sentences.
Curated OER
Addition and Subtraction Word Problems
In this word problem worksheet, students solve 7 addition, 7 subtraction and 6 mixed word problems. Links to addition resources are given and examples are completed for students.
Curated OER
Solving System of Equations by Addition or Subtraction
In this online math worksheet, students 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 terrific...
Curated OER
Adding and Subtracting Positive and Negative Numbers
In this math learning exercise, students complete 32 addition and subtraction problems. The first 22 involve integers. There are 6 problems with positive and negative decimals. The last 4 problems are fractions.
Curated OER
Moving Backward- Probability Enrichment Worksheet
In this addition and subtraction probability worksheet, 2nd graders play a game with a partner. They use the given spinner, and move along a number line based on the positive or negative number that they spin.
Curriculum Corner
7th Grade Math Common Core Checklist
With so many math standards to fit into a school year, it can be difficult keeping track of what you have and have not covered. This collection of Common Core checklists allows you to maintain a running record of when each...
Willow Tree
Number Properties
The number of basic algebraic properties can become overwhelming for learners. A lesson explains and gives examples for all the basic algebraic properties. The resource is perfect to use as a way for pupils to organize and...