Curated OER
Number Lines and Whole Numbers
Use number lines to visually represent addition and subtraction equations. First, scholars complete an addition number sentence and represent the equation on a number line. Next, they examine a number line and write the corresponding...
Curated OER
Morning Math
It's never too early for math! Use these morning math problems to get learners reviewing past concepts and staying sharp on newer ones. The 16 warm-ups include skills such as counting by 10, adding in a word problem, decomposing numbers...
Curated OER
Add and Subtract Equations with Equal Sign
Gain exposure to addition and subtraction symbols. First, pupils examine a visual number sentence (featuring Sponge Bob), filling in the correct symbol to make it a complete equation. Next, they read a run-on number sentence involving...
Curated OER
Kid Pix Math
Second graders, using Kid Pix, write and illustrate simple addition and subtraction sentences using Kid Pix. After each student has completed his/her work, it is printed out and bound into a class book.
Curated OER
Morning Math
Good morning, mathematicians! Use this set of morning math problems to jump-start your scholars' thinking and review past concepts. There are 14 individual warm-ups here including skills such as number sequencing, greater than/less than,...
Curated OER
Number Breakdown and Description Worksheet
How many ones and how many tens? Explore place value and addition. Learners begin by solving two missing addend problems followed by an addition and subtraction equation. Then, they read two sentences describing numbers by their place...
Curated OER
Number Lines and Whole Numbers
Number lines come in handy once again! Use them to help scholars visualize addition and subtraction problems. They examine five lines to determine which equation each represents, then match them to a list of answers. Consider covering...
Curated OER
Dollars and Cents Word Problems
Explore money math with these addition and subtraction word problems. Learners solve three scenarios, each of which is illustrated for visual learners. They use knowledge of different types of US currency to determine how much money is...
Curated OER
Add and Subtract within 20
These true equations are missing numbers. Scholars examine a set of possible answers to fill in each of the nine equations. Consider covering up the answer options, as it may be more helpful to have learners simply figure these out...
Curated OER
Finding X and Y Intercepts
How can you solve systems of linear equations? This slideshow introduces learners to the substitution method, the elimination method using addition and subtraction, and the elimination method using multiplication. Guided practice...
Curated OER
Graphing Linear Equations and Inequalities
Students discuss methods to solve equations and inequalities with one variable. As a review, they write Addition and Subtraction properties of equality and Multiplication and Division properties of equality. Students graph points, write...
Math Mammoth
Number Line Jumps
For this math learning exercise, learners write addition and subtraction sentences for eight word problems involving integers. Students use a number line to find the answer to the problem. Learners complete addition and subtraction with...
Curated OER
Year 4: More or Less
In this addition and subtraction worksheet, students write down one less than the numbers on the worksheet. In the second section, they write down one more than the numbers provided. Finally, they write down ten less than the numbers....
Curated OER
Addition Properties and Subtraction Rules
In this addition and subtraction learning exercise, students review the addition properties and the subtraction rules. Students then complete each number sentence and tell which property or rule was used.
Curated OER
Transportation Math
Young scholars use mathematical operations to examine truck drivers and the math they use everyday. In this transportation math lesson, students read word problems that relate to transportation and the math needed to solve the word...
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
Radical Addition and Subtraction
In this algebra worksheet, students simplify radicals by reducing them to simplest forms then performing addition or subtraction if possible. There are 6 questions.
Curriculum Corner
Math Common Core Checklist for K-6
As the school year progresses, it can be challenging for teachers to keep track of the specific math standards they've covered and those that remain to be taught. This Common Core checklist solves this problem, providing educators with a...
K-5 Math Teaching Resources
Base Ten Cards (tens and ones)
Strengthen your class's understanding of place value with this series of base-ten flash cards. Including illustrations representing a variety of numbers from 13 to 94, this resource can be used in many different ways...
Curated OER
Inverse
Your class can learn all about inverse operations. They will review what inverse operations are, see examples, learn how to use inverse operation to check an answer, write addition and subtraction equations in the inverse, and use the...
Math in English
Number Patterns
Build the pattern recognition skills of young mathematicians with this simple skills practice worksheet. Given nine different sequences of two-digit numbers, children must identify the pattern and determine the next three numbers in...
Curated OER
Egyptian Math Problems
Count like an Egyptian! Put an ancient twist on everyday problem solving by providing kids a chance to solve ancient Egyptian math problems. There are 39 different questions that require learners to solve addition and subtraction...
US Department of Agriculture
George Washington Carver Coloring and Activity Book
Learn about the interesting life of George Washington Carver and his many accomplishments with this series of worksheets for primary grade learners. From coloring pages and word searches, to non-fiction reading passages and math skills...
CK-12 Foundation
The Real Numbers: Adding Electrons
Get a charge out of a great resource! Scholars use an interactive to explore addition and subtraction of integers. They add or remove electrons in an atom model to consider its charge.