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
Add and Subtract
Like the cubs in A Fair Bear to Share, your 2nd grade class will practice adding and subtracting double-digit numbers by grouping, regrouping, and sorting a collection of objects. This requires many resources, but it is well worth the...
Curated OER
Number Rods
Working in a math center or an "I finished early" work station, young mathematicians will match in sequence pre-set-up rods of unifix cubes to numbers on a number line. To help differentiate tens from ones, use different colors to...
Curated OER
Regrouping
Learners practice regrouping using the wonderful manipulative - unifix cubes. Once they have a tactile understanding of regrouping, students complete 5 worksheets containing addition problems that require regrouping. The worksheets...
Curated OER
Relate Addition and Subtraction Reteach 14.7
Introduce young scholars to relationship between addition and subtraction with this very simple worksheet. There are 2 problems to solve, each problem shows unifix cubes relaying an addition problem and its subtraction companion.
Utah Education Network (UEN)
Add a Quack, Quack Here
The teacher will read-aloud the book Quack and Count and call upon studens to demonstrate various sums of seven. They brainstorm a list of ideas of things that can be combined or added together. They are given unifix cubes to demonstrate...
Curated OER
Board Game: Race to 100
Who can get to 100 first?! It may be in the hands of chance, but either way kids will have to practice counting and adding along the way. Partners take turns rolling two dice and moving their game pieces that many spaces until one pupils...
Illustrative Mathematics
1.OA, NBT, The Very Hungry Caterpillar
First graders are exposed to addition of three whole numbers in a math activity centered around Eric Carle's, The Very Hungry Caterpillar. As the teacher reads, young mathematicians use counters and ten-frames to symbolize the number of...
Curated OER
Patterns in Nature
Students learn about artist Larry Schulte and view examples of his work. They create addition sentence for the first seven numbers of the fibonacci sequence and use unifix cubes to build that sentences. Students color and create three...
Curated OER
Unifix Flash Cards
Third graders are asked how multiplication, division, addition and subtraction are related. After being read part of a book, they work together to build a model between addition and multiplication. To end the lesson, they write about...
Curated OER
Let's Trade
Second graders engage in a lesson which focuses on adding two-digit numbers and the regrouping process. They identify when the regrouping process is necessary and make appropriate "trades" to complete an addition problem.
Curated OER
I Have a Magic Pot
Pupils will explore numbers rules. They will create a picture of their rule and exchange their paper with a classmate. The classmate works to figure out the rule. They then share with each other how they found the rule. Questions are...
Oregon Department of Education
Building Number Sense
It's never too early to begin a child's math education. This collection of fun hands-on activities engage youngsters in building their number sense as they learn how to count objects, identify numerals, compare amounts, and much more.
Curated OER
Book Title: Ten Flashing Fireflies
This instructional activity engages learners in a variety of activities to build 1 to 1 correspondence, estimation, and problem solving skills. They discuss problem solving strategies, hear the story Ten Flashing Fireflies, compose their...
Curated OER
Solve Story Problems: Sold! A Mathematics Adventure
Young mathematicians listen to the book Sold!: A Mathematics Adventure by Nathan Zimelman where they encounter ways to solve story problems. They then create and solve start unknown addition and subtraction equations. Resource builds in...
Curated OER
Three-Digit Addition
Learners work with hundreds place value, create and manipulate three-digit addition problems, and add three-digit numbers.
Curated OER
What's the Best Deal?
Students explore number sense by solving consumer math problems. In this pattern identification lesson, students analyze a list of numerical and geometric patterns while predicting the future outcome. Students utilize inference skills to...
Curated OER
Centipede's 100 Shoes
Students solve equations with the help of their teacher. In this simple equations lesson plan, 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
Piggies
First graders listen to the book, Piggies, and act out the events of the story with premade puffball pigs.
Curated OER
Marking the Minutes
Students mark seconds, minutes, hours, days, etc. on class timetable report to keep track of time spent on Uninterrupted Silent Reading.
Curated OER
Measuring Weight
Students use tables showing the ratios between ounces and pounds, grams and kilograms, and pounds and kilograms. They estimate whether an object should be weighed in ounces or pounds and whether an object should be weighed in grams or...