National Woman's History Museum
Inventive Women - Part 2
The Declaration of Independence was published in 1776. The Declaration of Sentiments and Resolutions, modeled after the Declaration of Independence, was drafted and read by Elizabeth Cady Stanton at the Seneca Falls Convention in 1848....
Illustrative Mathematics
Discounted Books
Adolescents love to shop, especially when an item is discounted. Here, shoppers only have a set amount of money to spend. Will they be able to make a purchase with the discount and tax added in? Percent discounts can be calculated...
National Gallery of Canada
Shadow Chasers!
Experiment with light and shadow with a photography lesson. Learners first view several artistic photographs. They then play with different levels of light and various objects, eventually putting together compositions and taking pictures...
Curated OER
Commotion About Motion
Second graders are introduced to different types of motion. They make rolling spider toys and race them on different surfaces to invsetigate forces and motion. Pupils make glue "spider webs" for their spiders after testing different...
Lorain County Community College
Solving Linear Equations in One Variable
Multiple-step problems don't have to equal tough problems. This activity provides a list of steps needed to go through multi-step equations that include combining like terms and distributing. With ten problems total, your learners will...
EngageNY
Waves, Sinusoids, and Identities
What is the net effect when two waves interfere with each other? The lesson plan answers this question by helping the class visualize waves through graphing. Pupils graph individual waves and determine the effect of the interference...
Curated OER
Adding and Subtracting Decimals
The addition and subtraction of decimals is a relatively simple process. The most important thing to remember is to have all of the decimal points lined up. This presentation gives that strategy, plus some others to use when performing...
Curated OER
Add or Subtract Whole Numbers Up to 1000
Elementary schoolers solve practice problems on the board and are shown how to line up the numbers for addition. They solve various addition problems in small groups. Everyone continues the same process for solving subtraction problems.
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.
For the Teachers
$1 Math
Captivate your class by having them find the value of their names, different zoo animals, musical instruments, etc.,with a mental math lesson. Using the coding formula listed, children learn to fluently estimate and calculate simple sums.
Curated OER
Using Proof in Algebra
In this using proofs in algebra worksheet, 10th graders solve 2 proofs by applying the many rules from algebra for the Properties of Equality for real numbers. They name the property that justifies each statement as seen in the...
Curated OER
Equal Additions
Learners explore the relationships between numbers through the use of "equal addition" and "equal subtraction." Through the use of number sense, they are able to computer addition and subtraction problems mentally. Individually,...
Curated OER
Domino Challenge: Switch the Order
In this addition worksheet, students write partner numbers on each side of a domino, then write the total and the addition equation another way. Students then complete a "write about it" question.
Kuta Software
Properties of Complex Numbers
In this learning exercise, students evaluate complex (signed and imaginary) numbers. In addition, they are asked to graph complex numbers as well as identify a complex number on a presented graph.
Curated OER
Multiplication & Division
Helpful for building a multiplication unit that focuses on different strategies. With explanations about repeated addition and subtraction as foundations for multiplication, scaling, summaries of progression, and basic multiplication and...
Curated OER
Addition Polymerization: Preparation of Polystyrene Using Two Types of Initiators
Advanced chemistry classes compare the polymerization of styrene using two different initators: benzoyl peroxide and aluminum chloride. Once they synthesize polystyrene, they compare the two producet for melting point and density. There...
Elaine Whithouse & Warwick Pudney
The Anger Rules
What's a healthy way to express your anger? A classroom poster informs kids that feeling angry is all right, but hurting others, yourself, or property is not.
Curated OER
Arithmetic Commutative Property of Addition 3 Worksheet
For this commutative property of addition worksheet, 5th graders answer 16 questions where they find the missing number in a addition sentence.
Curated OER
Rational Numbers
In this Algebra I worksheet, 9th graders identify properties from the real number system and use the distributive property to collect simplify expressions with parentheses. The one page interactive worksheet contains five multiple...
Curated OER
Pattern Search
Third graders review the commutative and associative property in mathematics. Using a worksheet, they work together to identify the patterns between the 32 triangles. To end the lesson, they create their own array and exchange it with...
Curated OER
Representing Relationships with Equations
Students explore Cuisenaire Rods. In this pre-algebra instructional activity, students work with a partner to generate addition problems with the sum of ten using Cuisenaire Rods. Students construct examples of the Commutative Property...
Helping with Math
Subtraction : 3-digit - 3-digit
In this subtraction activity, math wizards subtract three-digit numbers from different three-digit numbers. Some of the 24 problems require regrouping.
Curated OER
Multiplication: One and Two Digit Numbers
In this multiplication worksheet, students multiply one digit numbers by two digit numbers and three digit numbers. Students complete 28 problems.
Curated OER
Solving Equations
For this solving equations worksheet, students solve and complete 15 different problems. First, they isolate the variable on one side of the equation using the addition/subtraction property of equality. Then, students check each solution...