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CK-12 Foundation
Properties of Real Number Addition: The Secret of Subtraction
Learners sometimes struggle to understand the concept of adding and subtracting integers. Help them see the why behind their answers using the interactive number line. The values change as individuals adjust the number line for each new...
Virginia Department of Education
Properties of Real Numbers
Students use paper cups and colored chips to observe properties of operations with real numbers. As a class, students brainstorm and use manipulatives to demonstrate associative, commutative, distributive identity and inverse properties....
DK Publishing
Money Word Problems #3
Money is an excellent way to help young mathematicians practice adding and subtracting numbers with decimals. They solve 15 word problems representing a variety of scenarios for calculating money. For some, scholars determine which bills...
Curated OER
Learn to Earn When you Tend to Spend
Analyzing and understanding word problems is extremely important. Pupils learn that in money problems, earn usually means you add and spend usually means you subtract. They will solve a series of money-related word problems, label coins,...
Curated OER
Fractions: Add and Subtract
For this fractions worksheet, students count the spare change they have at home and complete a chart, filling in coin values, number they have and total value for each. Students then represent the make a pie chart to represent fractions...
Curated OER
Islamic Inheritance Mathematics
Students determine how a woman's estate is divided among her beneficiaries according to Islamic inheritance law. They add and subtract fractions.
Scholastic
Study Jams! Addition & Subtraction of Decimals
So current with preteens is the topic of downloading tunes into their computers! In a relatable lesson, viewers are taught to figure out if Zoe can afford to purchase two songs if she has $3.00 left to her credit. Mia talks them through...
Pennsylvania Department of Education
Adding and Subtracting Rational Numbers to Solve Problems
Young scholars explore the concept of probability. In this probability lesson, students use area to determine probability. Young scholars use charts and spinners to help determine the probability of events such as flipping a...
Curated OER
Three-Digit Addition and Subtractions [M]
For this addition and subtraction worksheet, students complete a total of 49 problems, adding or subtracting 3 digit numbers. Answers included on page 2.
Curated OER
Adding and Subtraction Fractions Quiz
in this fractions quiz learning exercise, students add or subtract, solving for n in a set of equations. Answers are included on page 2. A reference web site is given for additional activities.
Pennsylvania Department of Education
Adding and Subtracting Three-Digit Numbers by Jumping
Second graders use data to graph information and draw conclusions. In this lesson on data analysis, 2nd graders practice gathering, sorting, comparing, and graphing data. Students differentiate data that can and cannot change over time.
Curated OER
Pet overpopulation-Dogs and Cats Can't Add or Subtract, But They Sure Can Multiply
Learners explore pet overpopulation. In this character development lesson, students solve math story problems to determine how many kittens can be produced by one unspayed cat. Learners discuss the consequences of pet...
Curated OER
Number: Negative Numbers
Pupils solve numerical equations with negative numbers. They use the number line to compare the relationship of numbers greater than zero to those less than zero. They practice starting at various points on the number line and then...
Curated OER
Fractions And Integers Review
Investigate the concepts of fractions and integers in order to review for a future assessment. The teacher reviews the major concepts with the class and provides help throughout the instructional activity as needed. Math students work...
Curated OER
Discovering Math: Computation
Middle schoolers add, subtract, multiply, and divide rational numbers. They find the square and the cube of numbers. They create a game incorporating computation on rational numbers. Everyone works together to write and evaluate...
Curated OER
Using 10 to Subtract
Pictures of 10-frames help young mathematicians complete 4 subtraction equations with numbers up to 20. This is a resource that just might help subtraction across 10 "click" for your visual learners. They cross out objects from the...
Curated OER
Signed Numbers and Order of Operations I
In this signed numbers worksheet, students simplify equations by using the indicated operation. They add, subtract, multiply, and divide equations containing two to four positive and negative integers. Three of the 25 equations contain...
Curated OER
Investigation-Reasoning and Proof
The class explores even and odd numbers.They discuss the results when even numbers are added and when odd numbers are added together. Then work in pairs to find other odd and even pattern examples.
Curated OER
Simplifying Expressions (Addition and Subtraction)
Seventh graders simplify algebraic expressions using addition and subtraction to combine like items and solve for the variable. They work with inverse operations to solve equations with guided practice. Everyone completes various...
Curated OER
Addition, Subtraction, Multiplication and Division of Signed Numbers 2
In this operation worksheet, students solve integer equations using one operation. The equations require students to add, subtract, multiply or divide positive and negative numbers. Most equations contain only two integers, but a few...
Curated OER
Morning Math
Rise and shine, mathematicians! These warm-ups will get your class putting on their thinking caps first thing as they recall past concepts and continue practicing newer ones. The problems are segmented and include concepts such as number...
Curated OER
Positive and Negative Numbers
Pupils use blocks and markers to illustrate the processes of adding, subtracting, multiplying and dividing integers. In this mathematics lesson, learners use Algebra blocks to demonstrate multiplying polynomials.
Curated OER
What's That Number? 1-Digit Addition and Subtraction
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.
Curated OER
Mayan Math
Fifth graders investigate the Maya's as mathematicians. In this Mayan math lessons, 5th graders work with the ancient Mayan numbering system by comparing it to the American Number System. They tell the differences and similarities...