Willow Tree
The Fundamental Counting Principle
How many different outfits can you make with what you have in your closet? The Fundamental Counting Principle can help you find an answer! Learners find totals using the Fundamental Counting Principle with problems that can have...
Curated OER
How Many Ways Can You Count?
Youngsters chorally count to 100 by 1s, 2s, 5s, and 10s, and backwards from 20, using chip markers and a hundreds chart. Includes a printable chart and a teacher checklist for assessing mastery.
Curated OER
Skip Counting
Students skip count by 3's on paper and using the calculator check their figures. They sing the song "2, 4, 6, 8 who do you appreciate?" Ask what number would come next? Students chorally chant skip counting by 3s. Ask students, "What...
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...
CK-12 Foundation
Basic Counting Rules: Sandwich Shop
Young mathematicians make a tree diagram of all possibilities for sandwiches using an interactive. They learn how multiplication speeds up the process of finding the number of outcomes.
Curated OER
Ten by Ten
Learners participate in hands-on activities using a hundreds chart and counting toes and fingers. They discover the patterns that are created when counting by ten. After a lecture/demo, students practice by using a worksheet embedded in...
Illustrative Mathematics
Jamir's Penny Jar
Before you start counting the coins in Jamir's coin jar, figure out which coin to start with. Should it be the penny or the quarter? Why? This is the focus around a instructional activity that works well as an assessment on counting...
CK-12 Foundation
Counting Events: Flipping Unfair Coins
Who said life was fair? An interactive uses an area diagram to represent the probabilities of flipping unfair coins. Pupils use the diagram to calculate the probabilities of outcomes of flipping the two coins. The scholars must decide...
Curated OER
Represent Outcomes
In this possible outcomes instructional activity, students analyze a tree diagram of music and theater events. Students solve 6 story problems.
Curated OER
The Counting Principle, Sample Spaces, and Probability
In this statistics and probability instructional activity, students solve problems in which they use the counting principle and/or tree diagrams to determine the number of outcomes of an event or the probability of event occurring. The...
Curated OER
Cool Cats Counting
Students practice number sense with the book Cool Cats Counting by Sherry Shahan. In this number lesson, students listen to the book and count from 1-10 in English and Spanish. They practice their alphabet, rhyming words, and more.
Curated OER
Skip Counting By Hundreds
There are 6 different number sequences for learners to complete. Each contains missing number. They skip count by hundreds to determine which number will best fill in the blank.
Curated OER
Probability Games and Activities, Unit 6
Get your mathematicians thinking about probability with these three activity ideas using tangible math. First, middle schoolers use dice to play a simple game, determining how many "odds" and "evens" they need to win. Next, they consider...
Curated OER
Skipping Into Multiplication
Young mathematicians study the relationship between skip counting and multiplication. They build on skip counting skills and examine arrays while studying multiplication. Resources are provided.
Scholastic
Study Jams! Combinations
With so many combinations, this colorful video allows your learners to mathematically figure out how many options they have when purchasing t-shirts. One instructional activity teaches how to find out the combinations, and the second...
Curated OER
Kernel Count!
Here is an impressive and thorough lesson on estimation. Young mathematicians estimate how many kernels of popcorn can fit in a tablespoon, then how many tablespoons of kernels can fit in a baby food jar. The popcorn is then popped. All...
EngageNY
Bean Counting
Why do I have to do bean counting if I'm not going to become an accountant? The 24th installment of a 35-part module has the class conducting experiments using beans to collect data. Learners use exponential functions to model this...
Curated OER
Scientific Method: How Many Drops of Water Fit on a Coin?
Young investigators conduct an experiment using the scientific method. They see how many drops of water fit on a coin; have them conduct several different trials. This involves making a hypothesis, looking at controls, and introducing...
Curated OER
Counting on Counting
Students recognize that counting tells how many objects are in the set irrespective of how they are arranged or the order in which they are counted. They solve problems involving one more or less to a given set using their knowledge of...
Curated OER
Counting Cubes
Students count backwards in 2s from 30 then try other skip patterns such as 1,3,5, etc. and invent their own counting patterns. They are introduced to the problem using a pile of cubes and count by 2s and have a remainder.
Curated OER
Counting Principle
In this counting principle worksheet, students examine, analyze and determine how to solve a variety of word problems with the counting principle. Students find out the total number of combinations that exist.
Curated OER
Counting Principle
In this counting principle worksheet, students find the possibility of an event while using the counting principle. They read about this tool to find the total number of combinations.
Curated OER
Book Title: Counting Crocodiles by Judy Sierra
Students explore number sequence in a variety of activities. In this number practice lesson, students play a game of finger flash and read the book Counting Crocodiles. Students discuss the counting elements in the book and chart the...
Curated OER
Introduction to the Concept of Probability
Middle and high schoolers have a clarified definition of probability, they explore about outcomes in probability and how to calculate experimental probability. They use computers to learn about probability.