Curated OER
Addition and Subtraction
In this finding the sums and differences of horizontal problems worksheet, students add and subtract one-digit and two-digit numbers using mental math. Students solve 242 problems.
Curated OER
Sunshine Math-2
In this problem solving activity, learners complete 8 varied word problems. Included are money, addition and subtraction, counting and fractions.
Curated OER
Addition and Subtraction Sentences
In this addition and subtraction worksheet, students make up 4 addition sentences that have 9 as their answer, then make up 4 subtraction sentences with an answer of 4.
Curated OER
Addition and Subtraction Practice
In this addition and subtraction worksheet set, students complete 20 pages of addition and subtraction practice. They find the sums or differences to 10 problems on each page. They answer problems that have either two or three digit...
Curated OER
Addition & Subtraction
In this addition and subtraction worksheet, students solve 4 different types of problems that include adding and subtracting numbers. First, they write addition or subtraction about each picture. Then, students write the correct...
Curated OER
Addition & Subtraction 2
In this addition and subtraction worksheet, students solve 4 different types of problems that include adding and subtracting numbers. First, they practice solving a number of addition and subtraction problems. Then, students complete the...
Curated OER
Addition And Subtraction Of Fractions
In this addition and subtraction of fractions worksheet, 8th graders complete eighteen missing fractions to make each one an equivalent fraction. Students, in addition, complete twenty one problems involving LCM of denominators.
ABCya
Math Bingo
It's sometimes the simple games that really grab a learner's attention. With this game-like app, young mathematicians can practice addition, subtraction, multiplication, and division facts. When they reach new high scores, they collect...
Curated OER
Adding and Subtracting Polynomials
In this algebra learning exercise, students add and subtract 30 sets of polynomials. 12 problems involve addition, 17 are subtraction problems, and one involves both addition and subtraction of polynomials.
Curated OER
Dividing with Fractions
Use paper strips or models to relate division problems to division of fraction problems. Since the materials can be broken up, it helps them to show how they can complete repeated subtraction with fractions and not just whole numbers.
Curated OER
Math Symbols
Some times simple is as good as gold. Early learners are introduced to the basic mathmatical symbols used to represent addition, subtraction, multiplication, division, and equals; each slide contains one large image of each symbol.
Curated OER
Subtraction Worksheet: Numbers to 19
In this subtraction activity, students solve 36 problems in which numbers below 20 are subtracted. The minuend has two digits and the subtrahend has only one.
Curated OER
Addition A
Learners solve twenty five addition problems involving a series of one digit numbers. This worksheet would be a quick and easy way to review this topic.
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
Integer Addition
Seventh graders explore the concept of integer addition. In this integer addition lesson, 7th graders tell stories involving addition and subtraction. Students walk on a number line given directions such as add 3 or add -2. Students play...
Curated OER
Pattern Puzzles
A short video introduces place value in addition and subtraction. As a class, your learners 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.
EngageNY
Fraction Equivalence, Ordering, and Operations
Need a unit to teach fractions to fourth graders? Look no further than this well-developed and thorough set of lessons that takes teachers through all steps of planning, implementing, and assessing their lessons. Divided into eight...
Curated OER
Alexander Used to Be Rich
Reading Alexander, Who Used to Be Rich Last Sunday, launches this lesson appropriate for children who recognize coins and have been introduced to coin values. Using addition and subtraction skills, the class tracks Alexander’s spending...
Curated OER
A Fictional History of Place Value
Your class can explore standard and expanded notation, as well as computation with regrouping. They listen to a make-believe story about cavemen and the origin of numerals and place value. Then apply what they learned about renaming and...
Curated OER
Half Math Quilt
Help your third graders become familiar with equivalent fractions for one-half by having them create a quilt. They will use triangles to create a quilt of equivalent fractions over a period of 6 days. As they create the quilt pieces they...
Curated OER
Three-Digit Addition and Subtraction With Regrouping
Second graders access prior knowledge of addition and subtraction using two-digit numbers and calculate easily with them. In this three-digit addition lesson, 2nd graders learn to add and subtract three-digit numbers with and without...
Curated OER
Integer Addition and Subtraction [A]
In this integer addition and subtraction worksheet, students solve a total of 33 addition and subtraction problems; answers are included on page 2.
Curated OER
Integer Addition and Subtraction [A]
In this integer addition and subtraction instructional activity, students solve a total of 33 addition and subtraction problems; answers are included on page 2.
Curated OER
Integer Addition and subtraction [B]
In this integer addition and subtraction worksheet, students solve a total of 33 addition and subtraction problems; answers are included on page 2.