Illustrative Mathematics
Similar Triangles
Proving triangles are similar is often an exercise in applying one of the many theorems young geometers memorize, like the AA similarity criteria. But proving that the criteria themselves are valid from basic principles is a great...
Old Dominion University
Introduction to Calculus
This heady calculus text covers the subjects of differential and integral calculus with rigorous detail, culminating in a chapter of physics and engineering applications. A particular emphasis on classic proof meshes with modern graphs,...
Curated OER
Days and Seasons
Introduce young scholars to calendars as they practice the days of the week and four seasons. First graders complete three days-of-the-week sequences, each starting on a different day. They can reference the completed sequence example...
Illustrative Mathematics
Video Game Scores
Eric and Leila's video game scores are the inspiration for writing equations with parenthesis. The numbers are purposefully large to deter the class from calculating them: rather this activity meets the standard that asks 5th graders to...
Curated OER
Extending Geometric Patterns
Which square comes next? Each of these sequences is made up of patterned squares in a continuing order. Learners examine more squares to choose which one(s) would correctly continue the pattern. None of these have very complex sequences;...
DK Publishing
Sneaky Snake: Numbers
Find the numbers that the sneaky snakes are hiding! Using a number table, primaries determine which numbers are covered up by snakes. They write in the numbers next to the matching snake below the table, which reinforces both...
Illustrative Mathematics
Assessing Reading Numbers
Youngsters develop their number sense by rote counting from one to ten. Over time, they identify the numbers on their own and no longer rely on fixed recitation. Using numerical flashcards, a teacher will randomly choose numbers from the...
Curated OER
Doughnut Race
Pupils will practice math facts in this fast-paced and fun "Doughnut Race." This fun activity has learners practice their math facts in a face paced game environment. It can be adapted to all mathematical operations by using a poster...
Curated OER
Algebra...Your Second Language
Help learners translate word problems into algebraic equations. They will rewrite words using symbols and evaluate algebraic expressions using real life scenarios, animation sequences, video presentations, and activities to help young...
Curated OER
Which Fits?
In this ordering numbers that are not in sequence worksheet, students read numbers on two elephants and choose the one number that goes between the other numbers. Students choose the middle number for eight problems.
Curated OER
Range, Cluster, Gap and Outliers
There are a number of activities here where learners collect and record data, as well as, activities where the likelihood of an event happening is calculated given the experimental probability. Young statisticians organize information...
DK Publishing
Counting Caterpillars
These caterpillars each have a number sequence printed on their segmented bodies, but some numbers are missing! Look at the completed caterpillars as an example, asking kids to notice a possible pattern. They should observe that the...
Curated OER
Mathematics Lesson for Grade 10
There are four main topics in this bundle of lesson plans. They don't need to be taught sequentially. Each lesson has three parts: a starter, a main activity, and something to help consolidate and provide reflection on concepts learned.
Illustrative Mathematics
Congruent Triangles
Geometers prove that triangle PQR is congruent to triangle ABC by describing any combination of rotations, reflections, and translations that would prove it so. There is only this single task on the handout, but a detailed explanation of...
Illustrative Mathematics
Modeling with a Linear Function
Here is a well-designed resource that provides five yes-or-no questions which model different situations with linear functions. It makes a good pre-test for the beginning of the unit. The purpose is to elicit common misconceptions of...
Curated OER
Jumping Numbers
This is a fun way to incorporate physical activity with a basic math skill. You call out a number and a movement then your Kindergarteners perform that movement while they count that number. This is a fantastic way to review counting...
Curated OER
Exploring Gullah Culture...Through Language and Numbers
First graders examine the culture of the ancient Gullah people. As a class, they practice saying and writing the days of the week and numbers in Gullah. They are read a Gullah folktale and put the events of the story into the correct...
Curated OER
Picking Patterns
In this pattern worksheet, students enumerate the number of objects that comes next in the sequence including triangles, blocks, and circles. There are 6 questions.
Curated OER
Goody Bags
Looking for Common Core math center ideas for your Kindergartners? This a great one that is easy to set up, change up, and can be individualized to the learning level of each child. Start with a collection of zippered plastic bags...
EngageNY
Geometry Module 5: Mid-Module Assessment
How can you formally assess understanding of circle concepts? Pupils take a mid-module assessment containing five questions, each with multiple parts.
EngageNY
Are All Parabolas Congruent?
Augment a unit on parabolas with an instructive math activity. Pupils graph parabolas by examining the relationship between the focus and directrix.
EngageNY
Counting Rules—The Fundamental Counting Principle and Permutations
Count the benefits of using the resource. The second installment of a 21-part module focuses on the fundamental counting principle to determine the number of outcomes in a sample space. It formalizes concepts of permutations and...
Curated OER
12 Days of Christmas
Learners utilize different problem-solving strategies and creative writing when dealing with the words from the song, "12 Days of Christmas." They try to problem solve how may presents were given and then explain their sequence in the...
EngageNY
What Are Similarity Transformations, and Why Do We Need Them?
It's time for your young artists to shine! Learners examine images to determine possible similarity transformations. They then provide a sequence of transformations that map one image to the next, or give an explanation why it is...