Curated OER
Math in My World
Third graders record in their journals the many ways in which mathematics is part of their world.
Curated OER
Let's Get to the Bottom of the Arctic!
Young scholars identify the three realms of the Arctic Ocean, and describe the relationships between these realms. They describe different species associations in a benthic community.
Texas Instruments
Texas Instruments: Action Packed Addition Patterns
Students learn to use manipulatives and calculators to explore what happens when they change one number at a time in an addition number sentence. They record and develop the pattern that develops.
abcteach
Abcteach: Basic Math Addition Activities
[Free Registration/Login Required] A collection of teacher created activities that focus on basic addition practice. Includes frog counters that can be printed and laminated, a dot-to-dot activity, and ready-to-use math worksheets that...
Alabama Learning Exchange
Alex: Fishy Addition!
In this activity, learners will use manipulatives to act out and solve simple addition problems.
Alabama Learning Exchange
Alex: Mission Addition With Subtraction Action
This lesson uses manipulatives, acting out situations, and verbal explanations along with technology to work on addition and subtraction with kindergarten students. Students will work in groups to practice different methods of adding and...
Illustrative Mathematics
Illustrative Mathematics: Domino Addition
The purpose of this task is to help students understand the commutative property of addition by using dominos as manipulatives. If the teacher does not already have dominoes, they are easily found online and can be printed onto colored...
ABCya
Ab Cya: Base Ten Fun
Base Ten Fun is an educational virtual manipulatives activity for kids learning place value, addition and subtraction. Base Ten Fun is highly customizable; kids can select from ones, tens and hundreds.
Alabama Learning Exchange
Alex: Battle to the Death: Adding Integers
The goal of this lesson plan is for young scholars to use manipulatives to add integers, creating concepts rather than memorizing rules. This lesson plan will be related to the 300 Spartans who battled the invading Persians at the Battle...
ClassFlow
Class Flow: Shedding Some Light on Properties of Addition
[Free Registration/Login Required] This flipchart explores the properties of addition: order property, zero property, and the grouping property. It also uses manipulatives to show and practice each property.
Alabama Learning Exchange
Alex: Camp Add 'Em Up Iii
Camp Add 'Em Up is a series of lessons for first grade students. Students will use prior knowledge of friendly numbers (two number combinations that make a "10") and "adding on" as they master the ability to add three numbers. In this...
Texas Instruments
Texas Instruments: Amazing Appetites
In this activity, students learn to count and solve original word problems. They learn to add by combining sets and subtract when removing the set. They use manipulatives to reflect the reasoning used in problem solving.
Illustrative Mathematics
Illustrative Mathematics: Building Toward Fluency
The purpose of this task is to promote certain addition strategies that will help students learn to fluently add and subtract within 20. Students will use a number line or magnetic cubes to solve addition problems. Students will be asked...
ABCya
Ab Cya: Molly Adds & Subtracts From 10
This educational activity provides word problems with manipulatives for kids to practice adding and subtracting within 10. The word problems are read aloud and have objects that can be used for counting. Children may need assistance from...
ABCya
Ab Cya: Molly Adds & Subtracts From 20
This educational activity provides word problems with manipulatives for kids to practice adding and subtracting within 20. The word problems are read aloud and have objects that can be used for counting. Children may need assistance from...
University of Cambridge
University of Cambridge: Nrich: 6 Beads
Use the diagram on this one page website to solve the problem. There are teacher notes and the solution is only a click away.
Science and Mathematics Initiative for Learning Enhancement (SMILE)
Smile: Measurement Inches
This lesson plan for primary students gives students hands-on practice in using a ruler and understanding customary measurements, length and width in inches. Students also create simple one and two digit addition problems related to the...
University of Cambridge
University of Cambridge: Nrich: Domino Square
Use your problem solving skills and move the dominoes around on the square so that each side has only eight dots. When you are finished you can check your answer against theirs right at this one page NRich website.
University of Cambridge
University of Cambridge: Nrich: 4 Dom
On this one page website move the domino pieces around until you satisfy the rules for this challenge. This will require you to use your problem solving skills.
ICT Games
Ict Games: Abacus
This interactive abacus can be used for addition, subtraction, counting, and place value.
Scholastic
Scholastic: Max's Math Adventures: Max's Super Stars
Use this poem, teacher's guide, and various small manipulatives to make a great lesson on counting. There is a section for students to give their responses on the website.
ClassFlow
Class Flow: Fact Families
[Free Registration/Login Required] In this activity, students use the visual cues from a fact family triangle, manipulatives and numbers to understand and apply the concepts and procedures of mathematics including addition, subtraction,...
ClassFlow
Class Flow: Positive & Negative Numbers
[Free Registration/Login Required] This flipchart contains manipulatives for creating addition and subtraction problems using positive and negative numbers. There is an example problem that teachers can use to help design their own...
Alabama Learning Exchange
Alex: A Math and Language Arts Lesson: Division
The lesson will help students develop an initial understanding of division and clarify how the four operations of addition, subtraction, multiplication, and division relate to and are separate from each other. The lesson begins with a...