Lesson Plan
Curated OER

What's That Number? 1-Digit Addition and Subtraction

For Teachers 1st - 2nd
In this subtraction and addition worksheet, students fill in missing numbers in problems necessary to arrive at given answers. All problems use 1-digit numbers only.
Worksheet
Curated OER

Adding or Subtraction Algebraic Fractions

For Students 9th - 11th
In this Algebra I/Algebra II worksheet, students add and subtract algebraic fractions and reduce the answer to lowest terms.  The two page worksheet contains a combination of eleven multiple choice and free response questions. ...
Worksheet
Curated OER

Mental Math Skills

For Students 2nd - 3rd
In this mental math worksheet, students use a number line to count backwards and forwards, add doubles, add and subtract one, and add one-digit numbers. Students solve thirty problems.
PPT
Curated OER

Number Bonds

For Teachers 1st - 2nd
Being able to recognize number bonds that make 10 is a great way to help learners add 3 digits together. First they make 10 by adding two numbers together, then they assess 3 digit addition sentences, where they make 10 first then add-on...
Lesson Plan
EngageNY

Writing and Expanding Multiplication Expressions

For Teachers 6th Standards
Find out what's so standard about standard form. Scholars learn to write multiplication expressions with variables in the 10th instructional activity in a series of 36. They use different symbols for multiplication and translate between...
Worksheet
Waterloo Mathematics

Number Sense and Numeration: Integers - Objects Model

For Students 7th - 9th Standards
Here is a comprehensive task for your middle school mathematicians regarding the multiplication and division of integers. Word problems and practical problems abound, while occasional graphics make the page more visually appealing. A...
Lesson Plan
Curated OER

Problem Solvers

For Teachers 5th - 6th
Fifth and sixth graders compare decimals to the place-value structure in the base-ten number system. They represent fractions as parts of unit wholes, as parts of a set, as locations on a number line, and as divisions of whole numbers....
Worksheet
Curated OER

Adding and Subtracting Rational Expressions 9-4

For Students 7th - 9th
In this addition and subtraction activity, students solve 15 problems in which they add or subtract with monomial denominators, binomial denominators, and complex fractions.
Lesson Plan
Curated OER

Carry and Borrow

For Teachers 2nd
Second graders complete basic math computations. In this addition and subtraction lesson, 2nd graders learn how to carry and borrow numbers when adding and subtracting. Students learn a carrying song to help them remember. Students...
Worksheet
Curated OER

Three-Digit Addition and Subtractions [M]

For Students 3rd - 4th
In this addition and subtraction worksheet, students complete a total of 49 problems, adding or subtracting 3 digit numbers. Answers included on page 2.
Worksheet
Curated OER

Chapter 10 - Objective 2.1 - Square Roots

For Students 8th - 10th
In this square root instructional activity, students add and subtract square roots. Square roots contain exponents and one to two variables. This one-page instructional activity contains ten problems.
Worksheet
Curated OER

Counting by 3s, 4s, and 5s

For Students 1st - 2nd Standards
Skip count along the mushrooms to complete these number sentences which give young scholars an introductory look at addition and subtraction. Starting from five double-digit numbers, they subtract or add by threes, fours, and fives to...
Worksheet
Curated OER

Number Puzzles

For Students 1st - 2nd Standards
These math puzzles are sure to get your first and second graders thinking. Nine word problems about odds and evens, as well as greater than and less than, keep learners guessing. If you're working on mental math in your class, use these...
Worksheet
Curated OER

Subtraction Word Problems #1

For Teachers 2nd - 3rd Standards
Practice subtraction skills and word problem strategies with your second graders. After reviewing the example at the top of the page, learners solve 14 word problems involving subtraction. A great way to practice mental math!
Lesson Plan
Curated OER

Get it Straight Mr. Decimal!

For Teachers 3rd - 5th
Students work with decimals. In this decimal lesson plan, students participate in a hands-on group activity that enable them to review to how to appropriately add and subtract decimals.
Worksheet
Curated OER

Math Worksheet: Horizontal Mixed Addition and Subtraction with 1 Negative Number #2

For Students 3rd - 6th
In this online interactive horizontal addition and subtraction learning exercise, students practice their math skills as they solve 15 problems that require them to add or subtract with 1 negative number. The answers may be typed in on...
Worksheet
Curated OER

Data Analysis

For Students 8th - 11th
In this data analysis worksheet, learners solve and complete 6 different problems that include using various types of data analysis. First, they create a stem-and-leaf plot of the ratios shown at the top and determine the mean, median,...
Worksheet
Curated OER

Time to Trick-or-Treat!

For Students 2nd - 4th
Use number lines to help scholars add and subtract time as they solve five word problems. Each scenario gives a starting or ending time and several tasks that take specified amounts of time. Scholars mark the number line to determine...
Worksheet
Curated OER

Revision of the Four Rules (Decimals)

For Students 4th - 9th
Upper elementary and middle schoolers read through an explanation of how to divide, multiply, add and subtract numbers with decimals. They complete an exercise with 48 problems. Pupils can click on the "Check" box to determine whether or...
Worksheet
Curated OER

Subtracting From a Multiple of 10

For Students 2nd
In this subtraction worksheet, 2nd graders are instructed how to subtract two digit numbers from multiples of 10 by counting on. There are two pages with 10 problems on each page.
Worksheet
Curated OER

Adding/Subtracting Integers

For Students 7th - 8th
In this integer worksheet, students find the sum and difference of positive and negative integers. Each equation contains two to three terms, with multiple operations. Thirty problems are provided, with an answer sheet.
Worksheet
Curated OER

Mental Maths

For Teachers 2nd - 4th
In this counting worksheet, students complete 22 fill in the blank problems where they are given a starting number and count by 1's, 2's, and 10's. Next. students answer 12 fill in the blank addition or subtraction problems where they...
Worksheet
Curated OER

Write the Equations

For Students 1st - 2nd
In this writing equations to problem solve worksheet, students read the addition and subtraction problems, write the one-digit and two-digit equations, and solve without regrouping. Students solve 15 problems.
Printables
Curriculum Corner

Order of Operations Task Cards (2)

For Students 4th - 7th Standards
Young mathematicians use their PEMDAS knowledge to solve 20 different task cards. They evaluate expressions to find the answer of multiplication, division, addition, subtraction, and exponential problems. Then, they record their answers...

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