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Curated OER
Mentally Add Two 2-Digit Numbers pg. 1
Mental math addition is the focus of this instructional activity. Students apply a strategy outlined in the instructional activity to find the sums. In this instructional activity, students find the answers for twenty problems. Answers...
Curated OER
Two Digit Addition with Regrouping
Students explore the concept of "regrouping." In this 2-digit addition with regrouping lesson, students create visual representations of combinations that equal ten using a tens frame. Students use manipulatives to represent the tens...
Curated OER
Adding and Subtracting Fractions/Mixed Numbers (10)
In this adding and subtracting three step problems worksheet, students add, subtract, or both add and subtract fractions with uncommon denominators and mixed numbers. Students solve 10 problems.
Curated OER
Once Upon A Math Story
Learners write a math story. In this math operations and writing lesson, students work in small groups to brainstorm ideas for a math story, write a rough draft, revise their story, edit their story and add clip art. Learners...
Florida Center for Instructional Technology
A Human Number Line: Teacher Notes
Twenty-one pieces of tagboard can lead your class to a greater understanding of integers when you use them to form a human number line. After creating this math tool, two strategies for adding and subtracting will have your...
Curated OER
Pattern Puzzles
A short video introduces place value in addition and subtraction. As a class, your students identify all even numbers up to one hundred and explain the pattern. They use addition strategies to fill in the missing numbers on the number grid.
Curated OER
Three Addend Addition
In this addition practice worksheet, learners use their problem solving skills to solve 8 problems that require them to add multiple digit numbers. Each problem has 3 addends.
Curated OER
Adding 1- and 2-Digit Numbers (Regrouping)
This online instructional activity provides 30 practice problems in which learners add single- and double-digit numbers. The sums require regrouping, so even though the interactivity is catchy, no accommodation is made for the fact that...
Curated OER
Ones and Tens Place Value
As scholars examine place value, these exercises help them incorporate addition and grouping. First, they answer three missing-addend questions, each with 10 as the given addend. Because all of the missing numbers are single-digit, this...
Curated OER
Three Digit 1
In this addition practice worksheet, 2nd graders add two and three digit numbers to solve twenty-five problems. Answers are included on the second page of this file.
Curated OER
TAKS Math Quiz-Add More Than 2 Numbers
In this TAKS math quiz worksheet, learners take an online quiz focused on adding more than 2 numbers. Quiz may be graded online by clicking a link.
Curated OER
Adding two numbers
In this addition worksheet, students complete 4 problems where they have to add two single digit numbers less than 10 together to find the sum.
Curated OER
Complex Numbers
In this complex numbers worksheet, young scholars write numbers as a multiple of i. They add and subtract imaginary numbers. Students write complex quotients in standard form. This three-page worksheet contains six problems.
Curated OER
Adding & Subtracting (Combining) Integers
Maintain a positive atmosphere in your math class with this fun lesson on adding and subtracting integers. After first explaining the rules for combining positive and negative numbers, this resource uses a comic strip...
EngageNY
Scientific Notation
Young mathematicians learn how scientific notation is meant to save time. Part 10, out of a series of 15, asks scholars to recognize the correct use of scientific notation and finish by adding and subtracting numbers using...
Curated OER
Calculator Tricks: The Golden Prediction
Excite the class with a mathematical trick, a calculator, and a good number sense. They use the directions provided on each slide to make a list of numbers, use their calculator to divide, and find the golden mean. A little history on...
Curriculum Corner
7th Grade Math "I Can" Statement Posters
Translate the Common Core math standards into a series of achievable "I can" statements with this collection of classroom displays. Offering posters for each standard, this resource is a great way to support your seventh graders as...
Curated OER
Practice Adding
Challenge your first graders with 24 addition problems. The first section of problems use numbers from 5 to 64, while the second section contains problems adding three numbers together. The last few problems prompt young mathematicians...
Common Core, Inc.
Multi-Digit Whole Number Subtraction
A thorough exploration into subtracting multi-digit numbers, this series of lessons is an excellent way to guide learners of any skill level. With a step-by-step lesson plan and straightforward assessment tools, kids are sure to...
West Contra Costa Unified School District
The Power of Ten: Building a Magnitude Model
Add visual representation to teaching place value with a magnitude model. Using adding machine tape, pupils build a linear place value strip from 1 to 100.
K-5 Math Teaching Resources
Large Ten Frame 11-20 (With Numbers)
An excellent way to review math ten frames, this series of posters reminds kids how to mark numbers 11-20. Each pages features a ten frame with the first ten spots filled out to indicate 10, then additional frames to indicate how many...
Curated OER
“I Can” Common Core! 6th Grade Math
Help your sixth graders reach their Common Core math standards by providing them with a checklist of "I can" statements for each standard. As each concept is covered, kids can check it off, as long as they can do what it states.
Curated OER
Adding Mixed Numbers - Unequal Denominators
Working with fractions that have unequal denominators is one of the most difficult concepts for young mathematicians to master. Here you will find a fine lesson plan that should help youngsters begin to get a grasp on this important...
Curated OER
Two Digit Addition (with regrouping)
An outstanding PowerPoint presentation on two-digit addition with regrouping awaits your class. The slides present the steps necessary in extremely clear fashion. There are two "internet games" embedded in the final slide that lead to...