Houghton Mifflin Harcourt
Introducing the Concept: Adding and Subtracting With Negative Integers
A basic narrative is outlined for teaching a activity on the addition and subtraction of integers. Using a number line, you can demonstrate how to find the sum of a positive and negative integer. On the right side of the page are links...
Helping with Math
#5: Addition & Subtraction Equations (1 of 2)
Single-step addition or subtraction operations are applied in order to solve these 12 simple equations. An answer key is available, not so much for you, but perhaps to be used by learners as a self-correction tool. Note that the...
Curated OER
Adding Integers with Counters
Students solve integers using addition. In this algebra lesson, students add integers using counters. They define and label patterns created by integer operations.
Curated OER
Simplifying Multiple Signs and Solving
In this simplifying multiple signs learning exercise, students simplify signs in equations and then produce a solution to them. They may type their answer into the learning exercise, and automatically check answers. Students must...
Curated OER
Math Leagues Contest 1
In this basic algebra worksheet, 8th graders solve and complete 6 different types of algebra problems as described in each box. First, they determine the value of a set of numbers with one pair of positive integers. Then, students...
Curated OER
Real Numbers
In this math worksheet, students evaluate the expressions that use integers. They also differentiate between the values of two integers as greater or less than.
Curated OER
Addition And Subtraction of Decimals
Learners participate in a lesson plan of adding and subtracting decimals. They should review place values with decimals before beginning the lesson plan. The lesson plan also includes sample problems for the teacher to use in direct...
Curated OER
Arithmetic: Fractions
For this fractions instructional activity, students add positive and negative fractions with unlike denominators. They compute a fractional part of a number. This six-page instructional activity contains approximately 20 problems....
Curated OER
SPIRIT 2.0 Lesosn: Adding and Subtracting Integers
Six pages prepare you to introduce your math stars to the addition and subtraction of positive and negative numbers. They drive a robot back and forth on an actual number line to represent the operations. If you don't have access to a...
Curated OER
Adding and Subtracting Decimals With Excel
What a great way to have pupils apply classroom learning to real-world skills! They complete problems involving the addition and subtraction of decimals related to banking-type questions, and then use a spreadsheet to display their results.
Curated OER
Writing Number Sentences
Students practice writing number sentences. After reading real world problems, they describe the same situation by writing a number sentence. Students use algebra tiles, or counters, to demonstrate the use zero pairs in solving...
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
Subtracting Integers
In this subtracting integers worksheet, students use 9 integer lines to help them solve 9 math problems that require them to subtract positive and negative numbers.
National Security Agency
Ordering, Adding and Subtracting Integers
Prealgebrarians use colored chips, stickers, and pencils to explore the world of integers. They discover absolute value, compare positive and negative integers, and apply operations to them. A detailed procedure for the three-part lesson...
EngageNY
Magnitude
Build an understanding of the powers of 10. Pupils investigate the results of raising 10 to positive and negative powers. They relate this understanding to the magnitude these powers represent in this seventh lesson of 15.
Willow Tree
Solving Inequalities
What does solving an inequality have in common with solving an equation? Almost everything! A math resource focuses on the one exception. The examples lead learners through the steps of solving an equality when multiplying or dividing by...
Utah Education Network (UEN)
Subtracting Integers
Review the concepts of additive inverses and adding positive and negative integers. Relate understanding to the subtraction of integers. This is done with either the use of "Algeblocks" (any square or tile manipulative should do) or a...
Willow Tree
Order of Operations
It's the classic please excuse my dear aunt sally strategy to remembering the order of operations. Young mathematicians practice to develop an understanding of the order of operations. Examples and practice problems include absolute...
Curated OER
Integer Arithmetic
Learners solve integer-based problems. They add and subtract integers as well find missing integers. They represent a scenario involving positive and negative integers and solve it.
Curated OER
Cherries Are Positive, Lemons Are Negative- Part 2
Third graders, in groups, subtract integers by following Cherries are Positive, Lemons are Negative. They discover the rules for subtracting integers by using cherry heads and lemon heads.
Curated OER
Negative Magic Squares
Magic squares are interesting objects in both mathematics proper and in recreational mathematics. So they are objects that children should have heard about and experienced. The problems in this sequence give students the opportunity to...
Curated OER
Subtracting Integers (II)
In this subtraction instructional activity, students complete subtraction problems containing parenthesis, up to 3 digit numbers, and negatives. Students complete 10 problems total.
Curated OER
Meter Marker Mania
Pupils identify integers as rational and irrational numbers. In this algebra activity, students measure and construct number lines using positive and negative integers. They convert between decimals and fractions.
Curated OER
Crossmath Puzzles
In this addition and subtraction worksheet, students complete four puzzle squares. Students fill in the blanks to get the answers at the right side and at the bottom. Numbers may only be used once in each row or column.