Curated OER
Find the Difference Between Two Numbers
Perfect for younger elementary learners, this slide-show uses images of unifix cubes to show the process of subtraction. There is a complete example and five practice problems learners can complete as you progress through the resource.
Curated OER
Relate Addition and Subtraction Reteach 14.7
Introduce young scholars to relationship between addition and subtraction with this very simple learning exercise. There are 2 problems to solve, each problem shows unifix cubes relaying an addition problem and its subtraction companion.
Curated OER
Cubes, Sums and a Little Fun
First graders, with partners, create and solve math problems using number and unifix cubes.
Curated OER
What to Do with Leftovers
Second graders solve real world division story problems using unifix cubes. They read "A Remainder of One" and discuss the concept of remainders. They solve the division problems first with the cubes and then write the problem and answer...
Math Learning Center
Grade 1 Supplement Set A4 – Number and Operations: Equivalent Names
Engage young mathematicians in developing their basic arithmetic skills with these great hands-on activities. Using Unifix® cubes to model a variety of single digit addition and subtract problems, children build a basic understanding of...
Curated OER
Missing Subtraction facts to 12 sheet 1
Pupils subtract numbers 1 through 12 and complete missing addend problems. This worksheet includes a helpful number line and 20 problems to complete. Tip: Hand out unifix cubes or chips to help tactile learners solve each problem.
Curated OER
Subtraction Shopping
Students subtract two digit numbers. They check each other's answers for accuracy.
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
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...
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
It's a Fact!
Second graders participate in a variety of activities to master addition and subtraction facts.
Curated OER
Centipede's 100 Shoes
Learners solve equations with the help of their teacher. In this simple equations lesson, 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
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
Subtraction Problems
First graders complete subtraction problems on a worksheet that emphasizes taking away members of a group. This is a basic math lesson emphasizing the technique of subtraction.The worksheet mentioned in the plan is not provided.
Curated OER
2nd Grade - Act. 17: Source Relay
Help your 2nd graders understand the difference between natural and man-made materials. They will sort breakfast food items into sources: store, factory, natural world, and farm. They will work together to classify, form conclusions, and...
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...
EngageNY
Calculating Probabilities for Chance Experiments with Equally Likely Outcomes
Calculate theoretical probabilities and compare them to experimental probabilities. Pupils build on their knowledge of experimental probabilities to determine theoretical probabilities. Participants work several problems with the...
Curated OER
It's a Fact!
Second graders investigate the concept of addition and subtraction while manipulating a variety of different resources. They focus upon the use of the games in order to keep student engagement. Then students are given the opportunity to...
Curated OER
Book Title: Ten Flashing Fireflies
This lesson plan 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 own word...
Curated OER
Let's Trade
Second graders engage in a instructional activity 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
What's the Best Deal?
Students explore number sense by solving consumer math problems. For this pattern identification lesson, students analyze a list of numerical and geometric patterns while predicting the future outcome. Students utilize inference skills...
Curated OER
Triangle Town
Second graders create a fact family town to develop the understanding of numbers related in fact families. They learn each family has a big number and two baby numbers. They make triangle shaped houses for their facts.
Curated OER
Far Out Fact Families
Second graders explore related multiplication and division facts. They study the inverse relationship of multiplication and division and engage in a group discussion about families. They complete a web-based lesson plan which is imbedded...
Curated OER
Ladybug Addition
Students engage in an interesting lesson on addition that encourages class participation through role-play and concrete hands-on activity. They utilize the fact that ladybugs have dots on their bodies to create a fun, hands-on lesson in...