Curated OER
Add/Subtract Radicals College Prep Algebra
For this radical worksheet, students add and subtract radicals containing positive and negative integers, variables, and exponents. They find the sum or difference for up to three terms in each equation. This worksheet contains 28 problems.
Curated OER
Addition and Subtraction of Polynomials
For this addition and subtraction of polynomials worksheet, learners simplify ten polynomial expressions by adding or subtracting whole numbers and variables with exponents.
Curated OER
Polynomials: addition and subtraction
In this polynomials worksheet, students complete addition and subtraction problems containing polynomials with parenthesis. Students complete 10 problems.
Curated OER
Addition and Subtraction to 10
In this addition and subtraction worksheet, 1st graders complete a set of problems using numbers 1-10, then color according to a key to create a picture.
Curated OER
Three-Digit Subtraction Without Regrouping
Learners solve a total of 25 problems using 3-digit numbers without regrouping. A website is referenced for additional resources.
Curated OER
Roman Numerals
Count to 20 using roman numerals. It's a great way to practice addition and subtraction and to explore alternative number systems. Each of the six slides in this presentation include sound bites, a Roman to Arabic number equivalency, and...
Curated OER
Subtraction Timed Test
How quickly can your learners complete 21 subtraction problems? This worksheet suggests 90 seconds for these single-digit equations. There are two distinct tests, each on a half-page. Learners could do a pre and post-test using this...
Curated OER
Basic Subtraction Test
Two subtraction test templates feature twenty-one basic equations involving the numbers 1-9. These assessments work best timed; give Test A, then Test B at a later time. Learners can compare the results and observe their progress. Also...
Curated OER
Addition and Subtraction Word Problems
Here are three word problems that will put your scholars' addition and subtraction skills to the test! They read about penguins, horses, and hockey pucks, using images as clues. Since these problems have a lot of unnecessary information,...
Curated OER
Subtraction and Unknown Addends (to 20) - Matching Worksheet
Piggies, puppies, dragons and other fantastical illustrations enable first graders to find the missing addends in a series of subtraction problems. After determining the unknown addend, pupils match the equations to the appropriate...
Curated OER
Add and Subtract within 20
The sums and differences only reach 20 in this arithmetic worksheet. Scholars answer 10 simple number sentences, some involving two numbers and others with three. They choose the correct answer from a list on the right. There are the...
Curated OER
Add and Subtract within 1000
Here are some practice problems with adding and subtracting three-digit numbers. Scholars complete three addition problems and three subtraction problems. None of these involve carrying over or regrouping. There are only two numbers to...
Curated OER
Match the Sums and Differences Worksheet
Because these eight addition and subtraction equations are written horizontally, learners will need to either re-write them or use mental math to solve them. Depending on your objectives, either would be a fine use of this worksheet....
Baylor College
Resources and the Environment: The Math Link
Take advantage of this interdisciplinary resource and bring together topics in science, language arts, and math. Use characters and events from the story Tillena Lou's Big Adventure as a context for practicing addition and subtraction,...
NOAA
What's the Difference?
Due to the isolation of seamounts, their biodiversity offers a great deal of information on the development of biological and physical processes. Pupils use simple cluster analysis to rate the similarity and differences in biological...
EngageNY
Addition and Subtraction Formulas 2
Knowing the addition formulas allows for the calculations of double and half formulas. The fourth installment of 16 has the class use the addition formula to develop the double angle trigonometric formulas. Using the double formula,...
K20 LEARN
Building Numbers: Addition And Subtraction Up To 10
Animals on Board! Stuart J. Murphy introduces scholars to composed numbers in preparation for writing and drawing true or false number sentences. A game of Bear in the Cave challenges pupils to locate a missing addend. Sorting number...
Scholastic
Study Jams! Number Lines
Step by step, two examples of creating number lines are explained through a series of animations. One is meant to watch at home, the second can be viewed in class, and there is a third tab with two sample problems to try. This skill,...
CK-12 Foundation
Addition and Multiplication Properties with Real Numbers: The Secret of Subtraction
An interactive boosts mathematicians' knowledge of subtracting integers using a horizontal number line by way of multiple-choice, true or false, and discussion questions.
CK-12 Foundation
Addition and Subtraction of Rational Expressions: Strawberry Sherbet Punch
Explore the connection between fractions and rational expressions. Young scholars manipulate fractions with unlike denominators to find a total. Challenge questions allow them to check their work to ensure they are correct.
CK-12 Foundation
Subtraction of Fractions: Fragmented Fractions
An interactive challenges scholars to subtract mixed numbers. Pupils answer questions—multiple-choice, fill in the blank, and true or false—with help from virtual fraction strips. The practice closes with a discussion.
Curated OER
Making Math More Fun
Trick young mathematicians into practicing their basic arithmetic with this extensive collection of fun math games. Whether you're teaching addition, subtraction, multiplication, division, place value, or even fractions, there is a game...
Curated OER
2-Digit Subtraction With Borrowing
In this 2-digit subtractions with borrowing worksheet, students problem solve. In this fill in the blank worksheet, students find sixteen differences.
Curated OER
Fraction Subtraction Worksheet
In this fractions worksheet, students subtract the twelve given sets of fractions on each of the ten pages. The denominators are mixed.
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