Curated OER
Subtraction Shopping
Learners subtract two digit numbers. They check each other's answers for accuracy.
Curated OER
Decomposition, Numbers, and Subtraction
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.
Curated OER
Subtraction Practice: Less than 10
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.
Curated OER
Solving Polynomial Equations
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...
Curated OER
Zero Subtraction Games
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.
Curated OER
Painted Cube Lesson
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...
Fuel the Brain
Addition and Subtraction
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.
Fuel the Brain
Subtraction
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...
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...
Curated OER
Make a Match
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.
Del Mar College
Translating Verbal Expressions
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,...
Curated OER
Math Cubes
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...
Fuel the Brain
Addition & Subtraction
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.
Curated OER
Linus Minus
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.
Curated OER
Addition and Subtraction Facts To 20
First graders use manipulatives, flash cards, number sentences and story problems to practice their addition and subtraction facts to twenty.
Curated OER
Mixed Addition and Subtraction Word Problems Two Version 1
In this word problems worksheet, students read the word problems and use addition or subtraction to solve the problems. Students solve 5 word problems.
Curated OER
Quadratics and Difference of Squares
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.
Illustrative Mathematics
An Integer Identity
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...
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...
Illustrative Mathematics
Field Day Scarcity
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...
EngageNY
Understanding Variability When Estimating a Population Proportion
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...
Curated OER
Write the 3-D Shape's Name, Part 2
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...
EngageNY
Mastering Factoring
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.
Curated OER
Quadratic Equations and Functions
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...