Interactive
Curated OER

Subtracting Integers

For Students 4th - 6th
In this integer worksheet, students subtract integers to solve a set of 10 problems. Answers and hints are available on-line; a reference web site for additional resources is given.
Worksheet
Curated OER

Subtract a Single Digit from a 2-Digit Number

For Students 1st - 2nd
In this subtraction instructional activity, learners complete a set of 10 problems, subtracting single-digit numbers from double-digit numbers. An answer key is given.
Lesson Plan
Curated OER

Subtracting With the Hundreds Place And Regrouping

For Teachers 3rd - 4th
Learners solve math problems involving subtracting with regrouping. They practice the steps for subtracting in the hundreds place with regrouping, through teacher guided practice. Independently, pupils complete story problems involving...
Lesson Plan
Curated OER

Number Line Math

For Teachers 2nd
Second graders use a number line to practice subtraction.  In this subtraction lesson, 2nd graders use a number line to count backwards.  Students participate in mad math activities and solve problems.
Lesson Plan
EngageNY

Directed Line Segments and Vectors

For Teachers 11th - 12th Standards
Investigate the components of vectors and vector addition through geometric representations. Pupils learn the parallelogram rule for adding vectors and demonstrate their understanding graphically. They utilize the correct notation and...
Worksheet
Curated OER

Explore Subtraction

For Students 7th - 8th
Learnersare given 26 tables and graphs in which they must fill in missing numbers and graph equations. They subtract a given value of x from a constant number, and use a number line to subtract larger numbers from smaller ones resulting...
Lesson Plan
Curated OER

Fractions in Action

For Teachers 4th - 6th
Investigate equivalent fractions with your class. They compare and order fractions. Then they work cooperatively in groups to experiment and problem solve with fractions using a game format. Multiple resources are provided.
Lesson Plan
Curated OER

SPIRIT 2.0 Lesosn: Adding and Subtracting Integers

For Teachers 6th - 8th Standards
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...
Lesson Plan
Houghton Mifflin Harcourt

Introducing the Concept: Adding and Subtracting With Negative Integers

For Teachers 5th - 7th Standards
A basic narrative is outlined for teaching a lesson 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 to...
Lesson Plan
Curated OER

Review of Adding and Subtracting Integers

For Teachers 8th
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...
Worksheet
Curated OER

Adding and Subtracting Negative Numbers

For Students 6th - 7th
In this positive and negative numbers worksheet, learners solve 50 problems in which positive and negative integers are added and subtracted. There is detailed instruction provided. This page was intended to be an online activity, but...
Lesson Plan
Curated OER

Adding and Subtracting Decimals

For Teachers 3rd - 5th
Students practice adding and subtracting numbers with decimals. For this decimals lesson plan, students use grid paper and money to learn how to add and subtract decimals.
Worksheet
Curated OER

Subtracting Integers

For Students 5th - 6th Standards
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.
Lesson Plan
Curated OER

Subtracting Integers with Counters

For Teachers 7th - 9th
Students subtract integers using counters. In this algebra instructional activity, students solve linear equations using an online tool. They use subtraction to isolate the variable.
Lesson Plan
Curated OER

Adding and Subtracting Integers

For Teachers 8th - 10th
Young scholars add and subtract integers. In this algebra lesson, students add, subtract, multiply and divide integers. They apply the properties of numbers as they solve equations.
Worksheet
Curated OER

Count Back to Subtract

For Students 1st - 2nd
In this early childhood math practice worksheet, students use a number line to help them solve 6 story problems as they count back to subtract.
Worksheet
Curated OER

10 More or 10 Less?

For Students K - 2nd Standards
Take a rocket to the stars with using a math worksheet. Here, four sets of alien saucers, moons, rockets, and stars prompt young learners to match numbers with one more or ten more. Color the pictures for extra fun when students are...
Worksheet
Curated OER

Subtraction Drills

For Students 1st - 3rd Standards
Here is a great subtraction assignment to use as homework or as a speed trial in your second grade class. After reviewing the basics of subtracting 2-digit numbers in three examples, learners solve 32 problems. Most of the problems...
Lesson Plan
Curated OER

Plaster and Vermiculite Carving

For Teachers 5th - 12th
Provide your class with the opportunity to experience the design process and subtractive sculpture. You mix vermiculite and plaster to create a soft variable material. Learners use this material to carve any abstract art form they...
Assessment
EngageNY

Mid-Module Assessment Task: Grade 6 Math Module 2

For Students 6th Standards
Make sure scholars know all about fractions and decimals — not just a fraction of the information. The 12th installment of a 21-part series is a mid-module assessment. Learners solve problems in the context of a birthday party and a...
Lesson Plan
Curated OER

Matrix Analysis of Networks

For Teachers 9th - 11th
  Explore the connection between a finite graph, a directed graph, and a matrix. Graph lines and identify the relationship of matrices in real-world scenarios. Then use this information to work with a partner to plan and design a...
Unit Plan
National Security Agency

Introducing Integers and Their Operations

For Teachers 6th - 8th Standards
There's nothing negative about this mini-unit on integers! Engaging young mathematicians in a series of hands-on activities and collaborative learning opportunities, this resource offers an excellent way to introduce your class...
PPT
Curated OER

Positive and Negative Numbers

For Teachers 4th - 5th
Preview a presentation that goes over the definitions of postive numbers, negative numbers, and integers with your mathematicians. Many examples of how these numbers are used in daily life are presented, as well as examples of how these...
Worksheet
Curated OER

Subtract 2 From Numbers 2-5

For Students 3rd
In this subtraction learning exercise, 3rd graders draw items to show the first number, circle and cross out a group of 2. They write how many are left on the blank lines.