Curated OER
Addition/Subtraction Strategies
Third graders recall all their addition and subtraction facts to 20. They use the relevant number strategy with whole numbers. Students are taught place value in relation to decimals, and identify 'which decimal is larger.' They...
Curated OER
Equivalent Fractions
Students read, "TheDoorbell Rang" by Pat Hutchins and relate this story to a time when they had to share something equally between friends or family members. They then complete a worksheet in which they represent sharing situations using...
Curated OER
The Commutative Property
Students explore arrays. They get into pairs and receive bags of small buttons to each group.
Illustrative Mathematics
What Shape Am I?
Sharpen your pencil and grab a ruler, it's time to draw some quadrilaterals! Given the definition of a parallelogram, rectangle, and rhombus, learners draw examples and nonexamples of each figure. The three definitions are then used to...
Curated OER
Sharing Brownies: Fractions That Represent a Fair Share
Elementary graders discover the concept of fractional pieces of a whole. They investigate the meanings of fractions in everyday life and why they are used. Pupils divide brownies amongst each other to demonstrate the use of fractions...
Curated OER
Using Arrays to Show Multiplication Concepts
Students draw arrays. In this multiplication lesson, students draw arrays, write multiplication sentences for arrays and discuss how changing the order of the factors affects the product.
Curated OER
Multidigit by One-Digit Multiplication
Third graders explore multiplication skills. In this multiple digit multiplication lesson, 3rd graders explore visual examples multiplying multiple digit numbers by 1-digit numbers. Students also practice solving problems that their...
Pennsylvania Department of Education
Multiplication Represented as Arrays
Third graders collect data about themselves and use in a line plot. In this analyzing data lesson plan, 3rd graders collect various sets of information,create a line plot and compare the data. Students complete a worksheet on their...
Curated OER
Teaching Polygons using Technology
Third graders utilize different types of computer programs, such as Microsoft paint and Microsoft Word to study and create different types of polygons. They use PowerPoint to create a story about a shape and others that it meets during a...
Curated OER
Adding in Parts
Third graders are able to split whole numbers into parts. They make numbers up to a tidy number. Students add and subtract tenths to make a decimals number into a whole number. They are able to add whole numbers up to three digits.
Curated OER
Adding and subtracting fractions: the same sized slice
Learners establish a strategy for adding simple fractions. They convert improper fractions to mixed numbers and interpret drawings and storyboards.
Curated OER
Geometry Geopardy
Third graders participate in a game in order to review geometric concepts.
Helping with Math
Prime Factorization with Factor Trees (2 of 2)
The publisher has tagged this resource as designed to meet CCSS.Math,Content.6.NS.4, but it really is only the first step in the process of determining least common multiples and greatest common factors. Six numbers are given for...
Curated OER
How to Reason
Pupils practice their logical thinking skills. In this reasoning lesson, students complete tasks involving geometric shapes, place value, and odd/even numbers.
Curated OER
Fractions
Students study fractions. In this art lesson, students fold paper, use origami, making new shapes and discuss the area of the shapes created.
Curated OER
Copycats
Third graders describe the features of 2 and 3 dimensional objects and use the language of geometry. They design and make a pattern which involves translation, reflection or rotation.
Curated OER
Fractions of a Set
Third graders use fractions to describe part of a set. In this fractions lesson, 3rd graders are introduced to fractions through a book and use pattern blocks to describe a fraction as a part of a set. This lesson includes a scripted...
Curated OER
Odd Is In
Pupils play a game with coins and then use reasoning skills to develop a strategy for winning the game.