Curated OER
Shape Stretch
First graders practice addition and subtraction concepts using gross and fine motor movement. Working in small groups, 1st graders play a game to practice their addition and subtraction facts through gross and fine motor movement...
Curated OER
3 Numbers, 4 Sentences
In this addition and subtraction worksheet, students complete the addition and subtraction sentences for each fact family. Students write their answers on the lines.
Curated OER
Banking Basics Extension 3.3
In this checking account register in the financial life of a teenager activity, students read and solve word problems. Students solve 10 problems.
Houghton Mifflin Harcourt
Introducing the Concept: Adding and Subtracting With Negative Integers
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...
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
Multiplication Strategies and Writing Story Problems
Third graders model multiplication problems using Unifix cubes. They compute and solve problems involving addition and subtraction of 3- and 4- digit numbers and basic facts of multiplication and division. They practice mental math...
Curated OER
Adding and Subtracting With Negative Numbers
Students solve equations with negative numbers. In this addition and subtraction lesson, students review how to add and subtract with positive and negative numbers on a number line. Students discuss the outcomes of adding two negative...
Curated OER
Decimals for Lower Elementary
Students investigate decimal operations, including addition and subtraction. They participate in interactive games, story problems, and math mysteries.
Curated OER
Visual Subtraction
In this math worksheet, students solve the problems that use the operation of subtraction for those who need visuals. The sheet is a teacher's guide.
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...
Curated OER
Rolling Number Sentences
Budding mathematicians investigate how to write number sentences using the Roll-the-Dice tool in "Kid Pix". They correlate the dots on the dice to numbers and then learn to use the addition and equal symbols to write number sentences....
Illustrative Mathematics
Rational or Irrational?
Is 4 plus the square root of 2 rational or irrational? After your class has gained a basic grasp of rational and irrational numbers, use this learning exercise to push them a little further in their understanding. Learners must identify...
National Center for Case Study Teaching in Science
Cell Phone Use and Cancer
The cell phone you're using is making you deaf: news at 11:00. Oftentimes, the media uses fear tactics and other techniques to increase its audience base. In an intriguing look at the difference between scientific journals and...
Curated OER
Popping Problems!
Turn your math lesson into a carnival game with this fun, outdoor activity. After reviewing the concept your class will be practicing briefly, split your class up into teams and head outdoors. These teams work to solve math questions and...
Little 10 Robot
Operation Math Code Squad
Your mission, if you decide to accept it, is math skills practice. In this app, Mission Impossible meets basic number operation skills, and your students are the secret agents.
Virginia Department of Education
Mathematics Vocabulary Cards - Grade 1
Clarify basic math concepts with a series of vocabulary posters designed for first graders. The cards include illustrations for fractions, place value, tally marks, and number lines, as well as many more vocabulary words.
Drexel University
Learning Roomba Module 1: Robotics Introduction
Introducing Mr. Robot. As an introduction to robotics, class develop a definition of a robot and make distinctions between real robots and those in science fiction. They also study the basics of programming in Java to program a Roomba.
Intel
Cell-to-Cell
The third in a series of 10 STEM project-based lessons focuses on cells types, functions, and physiology. Through research, discussions, writings, and presentations, groups learn about the difference between plant and animal cells, the...
Virginia Department of Education
Inductive and Deductive Reasoning
Introduce pupils to the two types of reasoning, inductive and deductive. Classmates work in pairs or small groups to learn the difference between the two and apply these reasonings to develop valid conclusions.
Curated OER
Calculate the Answer
Students solve basic multiplication or addition facts using a calculator and product cards. They draw a card, read the sum or product, and press single digits on the calculator to display the number on the card.
Curated OER
Fact Family Frenzy
Second graders explore fact families and inverse relationships between addition and subtraction. They use flashcards to model the inverse relationships. Students complete the equations for each fact family.
Curated OER
Problem Solving: Choose the Operation
In this operations worksheet, students read the math word problems and then choose an operation to solve the problem. Students may use addition or subtraction to solve.
Curated OER
Out of Sight Missing Addends
Students explore solving missing addend problems. Using manipulatives, students solve addition problems. They create a picnic basket-shaped math journal and write a summary of their activities. Students write number sentence that match...
Curated OER
Math Facts Race
Students reinforce math-facts knowledge and understanding, contribute to a team effort and carefully observe the actions of all team members by playing a game to practice addition, subtraction, or multiplication facts.