CK-12 Foundation
CK-12 Middle School Math Concepts - Grade 6
Twelve chapters cover a multitude of math concepts found in the Common Core standards for sixth grade. Each title provides a brief explanation of what you will find inside the chapter—concepts from which you can click on and learn more...
Curated OER
Math: Navigating the World Around Me
Young mathematicians research and discuss real world math word problems and ways in which they apply math concepts in their everyday lives. They create a storyboard of a math word problem from which they create a slide for a multi-media...
Public Schools of North Carolina
Math Stars: A Problem-Solving Newsletter Grade 3
Make sure your class stays up with the times using this series of math newsletters. Including word problems that cover topics ranging from consumer math and symmetry to graphing and probability, these worksheets are a fun way to...
Curated OER
20 Questions: Math Questions
Here are 20 questions just waiting for a class to complete them. Each of the problems is either subtraction or addition, under or up to 20. Learners complete each question, then exchange papers for a peer to grade. Answers are included.
Math Salamanders Ltd.
Column Subtraction - Money 3-digits Sheet 1
Elementary schoolers subtract 3-digit numbers representing money from each other. They complete 20 subtraction problems with decimals and regrouping.
Curated OER
Relate Counting to Addition and Subtraction
Use patterns to practice basic addition; pupils count by two, starting from eight and counting on to 20. They record the five numbers missing from the sequence. Below, the instructional activity walks learners through the process they...
Curated OER
Addition and Subtraction of Integers 1.1
In this integer worksheet, learners add and subtract positive and negative numbers. Equations contain two to three terms with a mixture of finding the sum and difference of terms. This worksheet contains 44 equations.
Curated OER
Math Cross Number Version 9
In this math cross number worksheet, students fill in the blanks in the math puzzle as they solve the 28 addition and subtraction problems.
DK Publishing
Tricky Word Problems - Choosing the Operation
Decipher the equations in these addition and subtraction word problems. Two examples at the top of the page guide second graders as they solve the rest of the problems. There is no space to write out the equation, but there is a place to...
Curated OER
Math in English Skills VII Exercise Book
A great way to help struggling learners with long division is to provide graph paper. These worksheets provide handy boxes to help kids keep all that great work in the right order. It also provides over 20 worksheets to help pupils...
Curated OER
System of Equations: Elimination Method Using Addition and Subtraction
In this system of equations worksheet, learners decide if the addition, subtraction, or substitution method works best for 15 problems of two equations and two unknowns and then use the preferred method to solve the system. Theys are...
Curated OER
Addition and Subtraction Word Problems
Approach word problems using these straightforward addition and subtraction practice scenarios. Learners choose answers from a list, recording the corresponding letter next to each problem. Ten questions involve basic addition and...
Curated OER
Relate Counting to Addition and Subtraction
Find 10 simple word problems that require addition and subtraction skills. Although these offer clear math procedure, the grammar isn't perfect. The highest number your learners encounter here is 40, and each question has room for...
Curated OER
Visual Sum and Difference Word Problems - Independent Practice
The ten prompts on this worksheet are intended for independent practice with addition and subtraction of numbers up to 3000. Space is provided for pupils to illustrate their work. The confusing wording of some the problems would be a...
Curated OER
Related Addition and Subtraction
These fact families need more members! Here are 10 addition and subtraction problems that need related facts written in. There are single and double-digit numbers, and each of these is written out in a sentence. Note that the grammar is...
Curated OER
Addition and Subtraction Word Problems
Here are five word problems. They each require learners to use addition or subtraction as a means of finding an answer. Note: These are oddly worded and written with poor grammar.
Curated OER
A Sum of Functions
Collaborative learners will see the geometric addition of functions by graphing the sum of two graphed curves on the same coordinate plane. This task then naturally flows into giving learners the algebraic representation of the curves...
Curated OER
Why Mastery of Math Facts is Important
Discover why young mathematicians should master their math facts and use this strategy to motivate their proficiency.
Artgig Studio
Mystery Math Town
You know you have stumbled on something interesting when you launch this app. You are suddenly taken into a world of mystery and intrigue, and of course, math-skills practice.
State of Michigan
Pre-K Mathematics
Kick-start children's education with this pre-school math unit. Offering 31 different hands-on learning activities that develop young mathematicians' pattern and shape recognition, basic number sense, and much more, this is a must-have...
Curated OER
Addition and Subtraction Mix--Level 2 Mix
Simple addition and subtraction is the focus of this worksheet which has students solve 100 addition problems and 100 subtraction problems involving single and double digit numbers.
Curated OER
Addition and Subtraction Mix--Level 3 Mix
Simple addition and subtraction is the focus of this learning exercise which has students solve 100 addition problems and 100 subtraction problems involving single and double digit numbers.
Curated OER
Addition and Subtraction Mix--Level 1 Mix
Simple addition and subtraction is the focus of this worksheet which has students solve 100 addition problems and 100 subtraction problems involving single and double digit numbers.
Curated OER
Horizontal Mixed Addition and Subtraction Using Numbers Between 1 and 100
In this addition and subtraction worksheet, students solve 10 problems in which two digit numbers are added or subtracted. Problems are in a horizontal format and may need to be rewritten. This is an online interactive worksheet that can...