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Curated OER
Subtraction With Integers
This thorough introduction to the concept of subtracting negative integers walk learners through the necessary steps using teacher modeling and guided practice. Number lines and various word problems are used to support understanding of...
K12 Reader
Evaluating Efficiency
There's more than one way to solve a math problem! Introduce your class to this concept with a reading passage. After reading, learners answer five related questions.
Houghton Mifflin Harcourt
Introducing the Concept: Triangles and Quadrilaterals
Guide your geometers through the process of constructing polygons. They learn how to draw triangles, squares, parallelograms, rectangles, rhombuses, and trapezoids with specified angles using a protractor and a ruler. The lesson plan...
Pennsylvania Department of Education
Let's Learn Those Facts: Looking Back and Moving Forward
Students participate in an adding game. In this adding numbers lesson, students calculate the sum of the dice and remove a number from their activity sheet. Students who first removes the numbers is the winner.
Curated OER
Finding the Measure of Segments
Students observe and solve examples of betweenness, ruler postulate, and segment addition postulate. They complete the Finding the Measure of Segments worksheet using the distance formula.
Helping with Math
Addition: 3-Digit Sums
The title is a bit confusing, but understand that the addends are only two-digit numbers. It is the answers, the sums, that will consist of three digits. Learners solve six addition practice problems. Answers can be obtained by clicking...
Helping with Math
#5: Addition & Subtraction Equations (1 of 2)
Single-step addition or subtraction operations are applied in order to solve these 12 simple equations. An answer key is available, not so much for you, but perhaps to be used by learners as a self-correction tool. Note that the...
Helping with Math
#6: Addition and Subtraction Equations (2 of 2)
This printable contains 12 basic equations to be solved. The first one is worked out as an example, and the answers for all can be found by clicking on a "Show Answers" box found on the website. The publisher has identified this as...
Curated OER
Solving Inequalities By Using Addition And Subtraction
Seventh graders solve inequalities using addition and subtraction. They write number sentences based on word problems.
Helping with Math
#10: Solving Equations (2 of 2)
In this prealgebra activity, pupils perform addition, subtraction, multiplication, or division operations to solve for an unknown. There are 12 problems to be solved. Use this as a quiz to assess how well your class is grasping the skill...
EngageNY
Triangle Congruency Proofs (part 1)
Can they put it all together? Ninth graders apply what they know about proofs and triangle congruence to complete these proofs. These proofs go beyond the basic triangle congruence proofs and use various properties, theorems, and...
Curated OER
Fact Families - Part 2
Complete these fact families; mathematicians use addition number sentences to write three more equations, all of which are members of the same fact family. There is an example here to guide them, and they solve for nine more number...
Inside Mathematics
Vencent's Graphs
I like algebra, but graphing is where I draw the line! Worksheet includes three multiple-part questions on interpreting and drawing line graphs. It focuses on the abstract where neither axis has numbers written in, though both are...
West Contra Costa Unified School District
Multiplying Binomials and Factoring Trinomials
Two lessons for the price of one! Learners use algebra tiles to multiply binomials in the first instructional activity, Next, they use their knowledge from the first instructional activity to factor trinomials into two binomials.
Illustrative Mathematics
Rational or Irrational?
Is 4 plus the square root of 2 rational or irrational? After your class has gained a basic grasp of rational and irrational numbers, use this learning exercise to push them a little further in their understanding. Learners must identify...
Curated OER
Minutes and Days
Elapsed time is a skill developed by the single question that is the center of this activity. Fifth graders are asked to find out the time that is 2011 minutes after the beginning of 2011. This question addresses the standard that...
Alabama Learning Exchange
Fun with Problem Solving
Using a varity of strategies, young mathematicians solve multistep word problems. They play a logic game as a whole group, and then work with a partner on a computer to complete a worksheet that requires a variety of problem solving...
Curated OER
Equations and Inequalities
In this equations and inequalities worksheet, 9th graders solve and complete 10 different multiple choice problems. First, they determine the property that best justifies the given statement. Then, students find the solution for each...
Curated OER
Addition, Subtraction, and More Multiplication with Radicals: Extra Practice 36
In this math worksheet, students use the distributive property to complete computation with radicals. Students multiply pairs of binomials that have the square root sign in each pair.
Curated OER
Operations with Decimals
Teach your learners to solve word problems. They will review how to add, subtract, multiply, and divide with decimals. Then they solve multiple problems.
Curated OER
Calculating Areas of Rectangles
In this geometry worksheet, students calculate the areas of rectangles. They use the formula for area of a rectangle.
Curated OER
The Case of the Missing Middle Term
Young scholars examine the difference of squares equation, and multiply binomials using the FOIL method. They complete the Case of the Missing Middle Term worksheet.
Curated OER
Spill the Beans
Learners explore the meaning of a fact family. In this Math lesson, students work in small groups to create their own fact family based on color of beans. The beans are colored and represent a given value. Learners discover the...
Curated OER
Adding Integers
Students explore the concept of adding and subtracting integers. In this integer lesson, students use strips of paper (various sizes) to add and subtract integers. Students visualize the process of adding and subtracting integers.