Curated OER
Subtracting Three Numbers
Second and third graders practice subtracting problems with one digit, two digit, and three digit numbers. They complete 80 subtraction problems.
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...
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.
Concord Consortium
Last Digit Arithmetic
Mathematics involves a study of patterns. The exploratory lesson has learners consider the addition pattern in different sets of numbers. Each set has a different pattern that pupils describe mathematically. The patterns involve both...
School Mathematics Project
Resource Sheets
This extensive and far-reaching collection of worksheets puts a new twist on many basic concepts. Learners use multiplication to trace a path from one point to another, tile a plane by converting between improper and proper fractions,...
Curated OER
Fourth of July Addition and Subtraction
What is Thomas Jefferson signing? Focus on American history with this cross-curricular math puzzle. Learners utilize addition and subtraction skills to solve the mystery of the Fourth of July. All numbers are 3-digit, and there are no...
Open Text Book Store
Arithmetic for College Students: Worksheets
Loaded with concepts ranging from multiplying decimals to converting units to solving problems using the order of operations, a thorough practice packet is perfect for a fifth or sixth grade math classroom.
Curated OER
Addition and Subtraction of Integers #1
In this addition and subtraction of integers #1 worksheet, students solve 120 two digit problems with positive and negative numbers; there are 2 different sheets on a page, each with 60 problems.
Curriculum Corner
7th Grade Math Common Core Checklist
With so many math standards to fit into a school year, it can be difficult keeping track of what you have and have not covered. This collection of Common Core checklists allows you to maintain a running record of when each standard was...
Curated OER
Addition of Negative Numbers
In this addition worksheet, students add two one-digit and two-digit negative numbers with regrouping. Students solve fifteen online interactive problems.
Curated OER
Use Negative Numbers
In this problem solving worksheet, students read and solve 6 story problems pertaining to borrowing and paying back money. Students use instead simple subtraction and addition. No answers will be negative numbers.
Curated OER
Adding Integers
Students add integers using a number line. In this algebra activity, students add one and two digit integers. They compare zero pairs and the addition of integers.
Curated OER
Number Lines, Variables, Solving for One Variable
Review basic algebraic rules of addition of integers. Then have the class define a variable and explore methods of solving equations with one variable. They observe solving expressions using inverse operations and simplifying solutions....
Curated OER
Subtracting Integers (II)
In this subtraction worksheet, students complete subtraction problems containing parenthesis, up to 3 digit numbers, and negatives. Students complete 10 problems total.
Curated OER
Intro To The Number Line
Middle schoolers identify numbers as having a magnitude and direction. They practice to order whole numbers and fractions on the number line. In addition, they practice these skills with describing places they've visited before.
Curated OER
Think of a Number
In this math worksheet, students engage in a mental math activity. Student think a number and follow several computations with that number and always come up with the answer 9. Students discuss why this happens.
Curated OER
Review of Adding and Subtracting Integers
Eighth graders review adding and subtracting of integers. The class makes a number line from -10 to 10 and practice adding and subtracting by "acting out" the math problems. Students play a card game using the number cards from a regular...
Curated OER
Big Magic Squares
Students discover that magic squares are interesting objects in both mathematics proper and in recreational mathematics. So they are objects that students should have heard about and experienced.