BBC
Simple Addition and Subtraction
Here is a wonderful lesson designed for young mathematicians. In it, they employ simple addition and subtraction strategies in order to solve word problems. There are some excellent activity sheets embedded in the plan to make the...
Curated OER
Goldfish Addition and Subtraction
Engage in a hands-on addition and subtraction activity that is a wonderful tie-in with ocean studies. As the teacher, you will make up equations using construction paper and goldfish crackers.
Curated OER
Addition and Subtraction Facts to 20
Fact families, and the relationship between addition and subtraction are the foucs of this lesson. Learners explore strategies to help with their addition and subtraction facts. They use doubles, related facts, and fact families to help...
Curated OER
Developing Strategies for Addition and Subtraction
Primary graders develop strategies to assist them with addition and subtraction. They discover number combinations and numerical facts which enable them to add and subtract more effectively. Students use these techniques to complete...
Curated OER
Subtraction with Regrouping Lesson Plan
Learners explore regrouping while subtracting. In this subtraction lesson plan, pupils manipulate base 10 blocks to demonstrate regrouping. Multiple resources are provided.
Scholastic
Adding and Subtracting Ten
Developing fluency with basic addition and subtraction is fundamental to the success of all young mathematicians. This four-day lesson series begins with learners using ten-frames and hundreds charts to recognize patterns when adding and...
Curated OER
Making a Ten
An addition table supports third graders as they learn strategies to improve their math fluency. When finding sums greater than ten, students are taught how to first make a ten and then add on the rest. A similar method is also...
Brooklyn Museum
HIDE/SEEK: Difference and Desire in American Portraiture
Visual arts lessons don't always mean the children need to make art. Here, they will practice using their visual literacy skills to analyze four images through the compare and contrast method. The first two images deal with gender...
Baylor College
Living Things and Their Needs: The Math Link
Enrich your study of living things with these cross-curricular math activities. Following along with the story Tillena Lou's Day in the Sun, learners will practice addition and subtraction, learn how to measure volume and length, work on...
US Environmental Protection Agency
Weather and Climate: What's the Difference?
Future weather forecasters collect daily temperatures over a period of time. Afterward, they compare their data with monthly averages, as researched on national weather websites, in order to grasp the difference between weather and...
EngageNY
One-Step Equations—Addition and Subtraction
Just one step is all you need to find success in solving equations. The 27th installment in a series of 36 teaches how to solve one-step equations involving addition and subtraction. Tape diagrams help future mathematicians in this task.
Illustrative Mathematics
Making Hot Cocoa, Variation 1
Dividing with fractions can be a confusing task to some, but the activity illustrates how to make groups out of the problem and look at it visually. Use this problem with the activity in the Additional Materials section to practice this...
Curated OER
People Who Make A Difference: American Heroes
Students think about the characteristics of a hero so they can later evaluate which historical figures on the heroes chart meet the criteria.
Curated OER
Math Lesson Plan: Pumpkin Addition and Subtraction
Pupils practice their addition and subtraction skills. In this seasonal math lesson, students create pumpkin worksheets that may be used to practice addition and subtraction number sentences.
PBS
The Goals of the March on Washington
Who else had a dream other than Martin Luther King, Jr.? Pupils explore civil rights leaders in a fourth lesson out of a series of five about people who paved the way to freedom for African Americans. The inquiry-based unit has your...
Anti-Defamation League
Identity-Based Bullying
What is identity? What is bullying? What is identity-based bullying? After discussing these questions as a class, pupils engage in partner discussions before participating in a small group activity to act out bullying scenarios. Then,...
Curated OER
Trading in Subtraction
Second graders solve two-digit subtraction problems without trades using counters and by modeling trades with base-ten blocks. They pair in groups and students open the "Counters Open Mat". Students are given a problem, such as: there...
Curated OER
Average Rate of Change, Difference Quotients, and Approximate Instantaneous Rate of Change
Pupils, with the assistance of their TI-84 Plus / TI-83 Plus calculators, distinguish meanings from right, left and symmetric difference quotients that include rate of change and graphical interpretations. They utilize symmetric...
EngageNY
The Power of Algebra—Finding Pythagorean Triples
The Pythagorean Theorem makes an appearance yet again in this lesson on polynomial identities. Learners prove a method for finding Pythagorean triples by applying the difference of squares identity.
Chicago Botanic Garden
Recognizing Change (Observation vs. Inference)
What is the difference between making inferences and making observations? Young climatologists refer to a PowerPoint to make observations on each slide. They record their observations in a provided worksheet before drawing a...
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
Addition and Subtraction - First Grade
Twenty-five multiple choice addition and subtraction problems fill the six-page worksheet. Many are word problems that include graphics to help learners visualize the situation. A useful tool in meeting Common Core standards!
Curated OER
Difference One Proton Makes
Chemsitry aces learn that protons are located in the nucleus and the number of protons in the nucleus determines the atomic number of an element. In this lesson, they compare materials made up of a single element and other materials...
Missouri Department of Elementary
Healthy Touches and Private Touches
Scholars identify the difference between healthy touches and private touches. A discussion leads pupils to recognize several trusting adults. Peers role-play scenarios in which they use three rules to remain safe.