Curated OER
Mentally Add and Subtract 10 or 100
Don't let the title of this one fool you; scholars skip count only by 10 in this number sequence worksheet. They fill in missing numbers on a number line to complete each sequence, adding or subtracting 10. There are two addition...
Curated OER
Add and Subtract
In these twenty pages of addition and subtraction problems worksheets, students subtract one-digit from one-and two digits, add one-digit plus one- and two digits, and both add and subtract to problem solve. Students solve 200 problems.
Curated OER
Handcarts - A Unique Form of Transportation
An interesting historical fact about how handcarts benefitted to the Mormon pioneers is the context behind this math lesson. Using given facts and figures regarding the handcart, pupil pairs create math word problems, share them with the...
Curated OER
Matrices: A Secret Weapon
Students perform operations with matrices. In this algebra lesson, students use cryptography and cryptanalysis to solve problems. They add, subtract, and multiply matrices.
Curated OER
Number Sense and Numeration
Middle schoolers add and subtract integers. In this algebra instructional activity, students discuss number sense as they sort numbers in the correct order. They analyze and label numbers differentiating between rational and irrational...
Curated OER
Twelve Days of Christmas--Prediction, Estimation, Addition, Table and Chart
Scholars explore graphing. They will listen to and sing "The Twelve Days of Christmas" and estimate how many gifts were mentioned in the song. Then complete a data chart representing each gift given in the song. They also construct...
Curated OER
Is That Your Final Answer?
This unit on integers includes a pre-test, a post-test, four spreadsheets, and links to an interactive web-site to support the learning of integer operations. Access to computers and the Internet are imperative to this unit. The lessons...
Beacon Learning Center
Cherries Are Positive, Lemons Are Negative
Lemon heads and cherry drops combine for a sweet lesson on positive and negative integers. Following an activity sheet, they use lemon as negative and cherry as positive and follow directions with a partner. An assessment, a rubric, and...
Curated OER
Conditional Probability and Probability of Simultaneous Events
Your statisticians examine the characteristics of conditional probability and the probability of simultaneous independent events. They perform computer activities to find probabilities for simple compound events. They examine the...
Scholastic
Study Jams! Add & Subtract with Common Denominators
RJ and Zoey are at camp and need to get back to the mess hall for lunch, but they don't know how far they have to walk. Help them figure out the distance while teaching young mathematicians how to add and subtract fractions with this...
EngageNY
The Distance Between Two Rational Numbers
There has to be a better way than counting. Pupils find the distance on a number line between rational numbers by counting the number of intervals. Through a discussion, the class sees the connection between absolute value and the...
Curated OER
Hoot: Concept/Vocabulary Analysis
Augment your unit on Carl Hiaasen's Hoot with a series of activities about the environment, civil disobedience, making an impact in the world, and growing up. A list of literary concepts and themes helps you to write your lessons to...
DocsTeach
Cultural Diplomacy and Propaganda During the Cold War
There's a fine line between diplomacy and propaganda. Young historians consider that boundary by examining documents from the Cold War, including memorandum about the lunar program and Peace Corps in addition to a propaganda film. Using...
Curated OER
The Nature of Mathematics
Students work in groups to describe plants using numbers. In this number lesson, students use numbers to define plants and then use numbers to write descriptions of themselves.
Curated OER
Centipede's 100 Shoes
Students solve equations with the help of their teacher. In this simple equations lesson, students listen to the story Centipede's 100 Shoes by Tony Ross and use the scenarios given in the book as addition and subtraction problems....
Curated OER
Circumference of a Pumpkin
Fourth graders watch a video and find the circumference of a pumpkin. In this circumference instructional activity, 4th graders watch a video to help them find the circumference of their pumpkins. Students define the word circumference...
Curated OER
Basketball: Number Sense
Third graders explore their addition and subtraction skills. In this number sense lesson, 3rd graders analyze different scoring possibilities for a basketball game. This lesson incorporates the use a video titled "Blossom and...
Curated OER
Number and Number Relations: Lesson 4
Fourth graders investigate the use of addition and subtraction facts in different situations. They examine the relationship between addition and multiplication and determine which operation is needed to solve various problematic situations.
Alabama Learning Exchange
"Like Terms", I Add Them
Ninth graders add and subtract polynomials. In this Algebra I lesson plan, 9th graders work practice problems as they view a PowerPoint presentation of the lesson plan. Both the horizontal and vertical methods of addition and...
Curated OER
Solving Equations- Addition And Subtraction
Seventh graders engage in the study of solving equations using the operations of addition and subtraction. They practice solving a variety of different problems. The lesson plan includes steps that can be used by the teacher for direct...
Curated OER
Equal Shmequal by Virginia Kroll
Students read a book and complete exercises to explore the meaning of 'equals.' In this equal numbers lesson, students brainstorm the meaning of equals and read a story about the topic. Students use manipulatives to study balance and...
Curated OER
Fact Families
In this fact families worksheet, students solve the six word problems by using the fact family rules for addition and subtraction. Students solve six problems.
Curated OER
Popsicle Stick Regrouping Fun
Students demonstrate regrouping in subtraction. In this math computation lesson, students use popsicle sticks to practice the regrouping strategy. Students practice several examples of regrouping problems in small groups.
Curated OER
Nutty Numbers
In this fact families worksheet, 1st graders solve 6 problems in which the missing numbers in addition and subtraction fact families are written in the nut shapes.