CK-12 Foundation
Sums of Mixed Numbers: Split the Addition
Five questions challenge scholars to add mixed numbers. A tool creates a visual model that separates whole numbers from fractions parts. Problem types include fill in the blank, true or false, and discussion.
Curated OER
Geometric Pictures of One Half
A learning task that involves creative ways of thinking permits children to use paper models as a way to visualize the fraction one-half. Learners can fold or cut their models in such a way that the unshaded regions, and shaded regions...
EngageNY
Writing and Evaluating Expressions—Multiplication and Addition
How many people can sit around a table? The 22nd part in a series of 36 continues the work on writing and evaluating expressions to include expressions with two operations. Pupils use models to determine an expression for the number of...
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 Word Problems
These word problems are a medley of addition practice; scholars add prices, chew toys, pages read, miles, and more. For each, there is a box for learners to show their work. Remind your class to read the question carefully- some of the...
Curated OER
Teaching About Plate Tectonics and Faulting Using Foam Models
Young scientists learn about plate tectonics and the three different types of faults (normal, reverse, and strike-slip) using foam models. The activity also covers common types of locations where these faults are found.
Baylor College
Modeling an HIV Particle
Models are an important part of science; they help us see the world on a scale that works for us. In the first of five lessons on HIV, learners make a paper model of the HIV virus that is about 500,000 times larger than the actual virus....
DK Publishing
Addition: Count and Color, part 3
Approach addition with sets of objects to show scholars the operation visually. There are four sets of images here arranged as addends in an addition number sentence. Learners count them and color in the total in a final set. All answers...
Center for Innovation in Education
Unifix Cubes
Support young mathematicians with building a strong foundational number-sense using this series of printable Unifix® cube strips. Adaptable to the teaching of a variety of different concepts, from basic counting and cardinality, to...
Curated OER
Addition with Regrouping
Now that your class can add, introduce them to adding with regrouping. This presentation provides several models that demonstrate what happens when you regroup. There are several examples and a few practice problems to complete as a class.
Curated OER
Wind Effects on Model Building: Pre-Lab for Truss Design and Testing
Emerging engineers perform pre-lab calculations in this first of a three-part lesson on model building. They determine the forces of tension and compression in a truss. After completion of the worksheet, pupils will draw a draft of their...
Curated OER
Modeling Addition: Commutative Property and Zero Property
First graders practice modeling addition. In this hands-on addition lesson plan, 1st graders are introduced to the Commutative Property of Addition and the Zero Property of Addition through modeling and the use of manipulatives. This...
Curated OER
Muscular and Skeletal Systems
How do muscles move bones? Find out using a built-in-class model. Pupils construct a hand model with paper and string, then follow a series of directions to explore the movement process. Discover additional information about the muscular...
Tracy Pendry
Cardiovascular/Circulatory System
Explore the circulatory system with a cardiovascular pump activity that promotes discovery and discussion as class members create a functioning model of the heart. Continue the learning process through a web quest showcasing the body's...
Curated OER
Addition: visual math - level 1 - exercise 1 - option 2
In this addition worksheet, students add one digit numbers to the number 0. Students complete 10 problems where they add numbers 0 through 10 to the number 0.
Curated OER
Addition: visual math - level 1- exercise 6 - option 1
In this addition worksheet, students add numbers 0 through 9 to the number 5. Students complete 10 addition problems and write the sum.
Curated OER
Hands On: Model Numbers
In this addition and subtraction practice worksheet, students sharpen their problem solving skills as they solve 6 story problems using number models.
Curated OER
Addition - visual math - level 1 - exercise 10 - option 1
In this addition worksheet, students add the numbers 0 through 9 to the number 9. Students complete 10 problems where they add one digit numbers to the number 9.
Curated OER
Addition - visual math - level 1 - exercise 4 - option 2
In this addition learning exercise, learners add one digit numbers to the number 3. Students complete 10 problems where they add the numbers 0 through 9 to the number 3.
Curated OER
Addition - visual math - level 1 - exercise 10 - option 2
In this addition instructional activity, students add one digit numbers to the number 9. Students complete 10 problems where they add the numbers 0 through 9 to the number 9.
Curated OER
Using Tens Frames To Build Addition And Subtraction Facts To Ten
Students review the basic addition facts through ten. They use tens frames to show number patterns and number families. They also form subtraction facts to ten using dot patterns on a quinary frame. Given a number sentence they find...
ISTE
Macaroni Math - Unit Overview
It's not just for lunch, mini mathematicians make use of macaroni to model addition and subtraction of numbers up to 10. They place macaroni pieces on their desk and take away to model subtraction, then write subtraction story problems....
Curated OER
Algebra: Addition and Subtraction Equations
In this algebra worksheet, learners solve 6 problems in which students use the sample model to write equations. Learners write the equation in words, replace the words with values from the model. and solve the equation.
Curated OER
Add Three Numbers: English Learners
In this ELL, addition worksheet, students solve 1 fill in the blank problem where they must find the sum of three addends which are 1 and 2 digit numbers. A step-by-step example of the addition process is modeled.