+
Lesson Plan
Curated OER

Subtraction Shopping

For Teachers 3rd - 5th
Learners subtract two digit numbers. They check each other's answers for accuracy.
+
PPT
Curated OER

Decomposition, Numbers, and Subtraction

For Teachers 2nd - 3rd
Wonderful for visual learners, this presentation provides images of 10's and 1's cubes, to reinforce the concept of subtraction. Learners practice along with the teacher as 10's and 1's cubes are scratched off.  
+
Worksheet
Curated OER

Subtraction Practice: Less than 10

For Students 1st - 4th
Mathematicians practice subtracting numbers less than ten. The worksheet provides 25 practice opportunities to hone their skills. Answer key is provided. Number lines or unit cubes could scaffold the practice. 
+
Worksheet
Curated OER

Solving Polynomial Equations

For Students 8th - 11th Standards
This learning exercise and tutorial explores solving more complex polynomials by graphing each side separately and finding the point of intersection, identifying the sum and differences of cubes, and solving higher degree polynomials by...
+
Organizer
Curated OER

Zero Subtraction Games

For Students 3rd
In this zero subtraction games worksheet, 3rd graders play two games using dice, starting with a given number of points, subtracting a number after each roll and recording the score until the winner gets zero.
+
Lesson Plan
Curated OER

Painted Cube Lesson

For Teachers 6th - 8th
Middle schoolers differentiate between cubes and unit cubes. In this geometry instructional activity, students create linking cubes and use it as a manipulative to answer questions. They define the faces, edges and sides of the cubes as...
+
Worksheet
Fuel the Brain

Addition and Subtraction

For Students 2nd - 3rd
Basic addition and subtraction are asked of your class in this worksheet. They will have to pick up on key terms to determine if addition or subtraction is being asked of them and solve the problem.
+
Worksheet
Fuel the Brain

Subtraction

For Students 2nd
Give your class a fun St. Patrick's Day "brain booster." Keeping the holiday magic alive, your class will practice subtraction by determining how many clovers found had four leaves and how many coins out of the total "pot of gold" were...
+
Lesson Plan
Curated OER

What to Do with Leftovers

For Teachers 2nd
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...
+
Lesson Plan
Curated OER

Make a Match

For Teachers 2nd
Second graders examine the relationship between addition and subtraction. For this number sense lesson, 2nd graders practice their computation skills and use various strategies (including manipulatives and calculators)  to add and subtract.
+
Handout
Del Mar College

Translating Verbal Expressions

For Students 5th - 8th Standards
Help scholars translate verbal expressions into numerical expressions. The two-page document is comprised of descriptions and examples that showcase terms and phrases related to addition, subtraction, multiplication, division, powers,...
+
Lesson Plan
Curated OER

Math Cubes

For Teachers K - 2nd
Students practice addition and subtraction while making and then playing a game. In this addition and subtraction lesson, students will make dice using a cube tracer and number and number sign tracers to make the numbers and number...
+
Worksheet
Fuel the Brain

Addition & Subtraction

For Students 2nd - 5th
Do your young learners know how to recognize a number if it is spelled out instead of being shown as numerals? They will solve two-digit and three-digit addition problems by recognizing the word and transferring that number into numerals.
+
Worksheet
Curated OER

Linus Minus

For Students 1st - 2nd
In this math learning exercise, students practice one digit subtraction from one or two digits. Students complete 6 word problems and 12 horizontal subtraction problems.
+
Lesson Plan
Curated OER

Addition and Subtraction Facts To 20

For Teachers 1st
First graders use manipulatives, flash cards, number sentences and story problems to practice their addition and subtraction facts to twenty.
+
Worksheet
Curated OER

Mixed Addition and Subtraction Word Problems Two Version 1

For Students 5th - 6th
In this word problems worksheet, students read the word problems and use addition or subtraction to solve the problems. Students solve 5 word problems.
+
Worksheet
Curated OER

Quadratics and Difference of Squares

For Students 9th - 11th
In this algebra worksheet, learners factor quadratic equations using the difference of squares and cubes. They factor other polynomials finding the roots. There are 37 questions with an answer key.
+
Lesson Plan
Illustrative Mathematics

An Integer Identity

For Teachers 8th - 12th Standards
Challenge algebra learners to use the difference of cubes to solve this problem. Once your charges have taken out the factor (a - b), combined the like terms and set them equal to zero, the problem becomes a factorable quadratic...
+
Lesson Plan
Curated OER

Add and Subtract

For Teachers 1st - 2nd
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...
+
Lesson Plan
Illustrative Mathematics

Field Day Scarcity

For Teachers K - 2nd Standards
Introduce young mathematicians to concepts of financial literacy with this open-ended word problem. With seven dollars to spend during field day and given a list of available items and their prices, children must determine how they want...
+
Lesson Plan
EngageNY

Understanding Variability When Estimating a Population Proportion

For Teachers 7th Standards
Estimate the proportion in a population using sampling. The 20th installment in a series of 25 introduces how to determine proportions of categorical data within a population. Groups take random samples from a bag of cubes to determine...
+
Worksheet
Curated OER

Write the 3-D Shape's Name, Part 2

For Students 1st - 2nd Standards
Geometry can be fun when you know the shapes! Twelve pictures of geometric shapes, including cones, pyramids, and spheres, prompt first graders to write the name of each shape in the space provided. Use the activity as a quiz or homework...
+
Lesson Plan
2
2
EngageNY

Mastering Factoring

For Students 10th - 12th Standards
Math class is full of drama—there are so many problems to work out! Pupils work out factoring problems. They use quadratic methods of factoring higher degree polynomials, in addition to factoring the sum and difference of two cubes. 
+
Lesson Plan
Curated OER

Quadratic Equations and Functions

For Teachers 8th - 11th
This comprehensive lesson plan reviews solving and graphing quadratic functions and functions of higher degree.  Using the vertex form of a quadratic functions, one finds the vertex, minimum or maximum, and axis of symmetry. A few word...