EngageNY
Adding and Subtracting Polynomials
Need a unique approach to adding and subtracting polynomials? A helpful math lesson plan approaches the concept by relating polynomials to base 10. It encourages pupils to see each term as having a specific value, and therefore, they...
West Contra Costa Unified School District
Lowest Common Multiple through the Grades
The LCM will be your new BFF. Learners review least common multiple and least common denominator applications, mostly on fractions, from middle school. Scholars then see how the LCM can be applied to various types of problems from...
Curated OER
1 Less or 1 More
Complete these images with values one less and one more; young mathematicians fill in bunches of flowers, starting at a middle number and working their way to the right by addition and to the left by subtraction. For each flower they...
K-5 Math Teaching Resources
One Hundred Chart Template
There are hundreds of learning opportunities with this hundreds chart. Just print, laminate, and you're ready to get counting.
Curated OER
Speed Trials: Final Test
How quickly can your third graders solve these 63 math problems? Ranging from addition, subtraction, multiplication, and division, you can use this resource to assess your students' mental math. Cut the activity into thirds to make the...
Prince Edward Island
Fact Learning, Mental Computation, Estimation
Need help with mental math in your classroom? This guide is full of tips, tricks, and examples to help the teacher encourage learners to use their brain instead of a calculator. Practice problems are included with reasons how to use...
Curated OER
Estimating Fractions and Sums
What is a quick comparison, and how can it help you estimate sums and differences? For this estimation worksheet, learners estimate fractions in addition problems. They complete four problems where they estimate the sums after reviewing...
Curated OER
Real-life Problems: Dollars and Cents
Do your fourth graders love money? They'll solve these money math word problems with ease! Six word problems involving money prompt pupils to use addition, subtraction, multiplication, and division. A section for work reinforces the...
Virginia Department of Education
Mathematics Vocabulary Cards - Grade 3
Need to go over some math concepts with your third graders? Use a series of math posters, featuring vocabulary words in geometry, measurement, fractions, probability, and many other areas of study. Each poster presents the term with an...
Curated OER
Adding and Subtracting Fractions (With Unlike Denominators)
In this math worksheet, students subtract and add fractions with unlike denominators. Students solve the problem in steps. They are given examples of how to solve the problems.
Curated OER
Adding and Subtracting
Adding and subtracting 100 is a breeze once scholars understand the role place value plays in this math process. They examine four examples before adding 100 to 24 numbers and subtracting 100 from 24 more. If you haven't yet covered...
Math-U-See
Extra Practice
From exponents to slope-intercept form, an array of extra practice exercises will reinforce necessary skills for your middle and high schoolers. The worksheets include practice with order of operations, graphing equations, scientific...
Mathematics Vision Project
Module 7: Modeling with Functions
The sky's the limit of what you create when combining functions! The module begins with a review of transformations of parent functions and then moves to combining different function types using addition, subtraction, and multiplication....
Curated OER
The School Store
Students choose between the operations of addition or subtraction to solve a real life problem. In this addition and subtraction lesson, students make a chart of items sold in the school store. Students then work in teams to apply...
Curated OER
Which Operation To Use?
In this basic addition and subtraction worksheet, 2nd graders will determine the correct operation to use. Students will study 8 problems and the given answer, deciding if the correct sign to use will represent addition or subtraction.
Curated OER
Missing Digits
In this addition and subtraction skills activity, students solve 12 problems that require them to fill in the missing digits in 12 multiple digit addition problems.
Curated OER
Basketball: Number Sense
Third graders explore their addition and subtraction skills. In this number sense instructional activity, 3rd graders analyze different scoring possibilities for a basketball game. This instructional activity incorporates the use a video...
Curated OER
Mixed Operations
In this mixed operations instructional activity, students use the order of operations rule to help them solve the multiplication, division, addition, and subtraction problems.
Curated OER
Brain Booster
In this daily math problem instructional activity, students complete a hundreds board activity that uses a smiley face format on the board. Students solve the addition and subtraction problems to complete the board.
Curated OER
Addition and Subtraction of Polynomials
In this polynomial worksheet, students add and subtract polynomials by identifying and collecting like terms. Twenty problems are provided on this two-page worksheet.
Curated OER
Write a Number Sentence
In this number sentences learning exercise, students learn to solve the addition and subtraction word problems by writing number sentences for each problem.
Curated OER
Mental Math
Young scholars participate in an online computation game. In this computation lesson, students practice simple computations and use an internet site to review addition and subtraction facts.
Curated OER
Multiple Operations
For this multiple operations worksheet, students solve problems that have both addition and subtraction in them. Students solve 10 problems.
Curated OER
Balloon word problems
In this balloon word problems worksheet, students complete word problems about balloons with one digit numbers. Students complete 5 addition and subtraction word problems.