Other
Animal Dot to Dots
A large collection of dot-to-dot pictures for counting practice. Has three levels of difficulty, from basic counting from 1 to 50, to skip counting by single digit numbers and even decimals, to counting with Roman Numerals. Pictures can...
Illustrative Mathematics
Illustrative Mathematics: My Book of Five
Students will be given double-sided counters/dots to complete this activity. They will take five counters in their cupped hands (or a cup), shake them around, pour them onto the desk. Next, they count how many counters are yellow and how...
American Museum of Natural History
American Museum of Natural History: Welcome to Dzanga Sangha
Connect the dots to investigate three different habitats either the forest, bai or river of the rain forest. By connecting the dots students make a food chain to see how organisms in each habitat depend on each other.
Better Lesson
Better Lesson: Review Patterns to 10 and Counting Higher
SWBAT identify a number based on dot patterns and practice counting.
Other
Erikson Institute: Preschool Number Sense Routine Perfect for Transitions
Moving from one activity to another just got a lot more mathematical with this simple routine that builds early number sense with preschoolers. This dot card transition requires only index cards with 1 to 4 dots in various arrangements....
Wolfram Research
Wolfram Math World: Dot Product
This math site gives the formula for taking the dot product of two vectors, gives properties of dot products, (commutative, associative, and distributive), how to find the derivative of a dot product. This site has links to several other...
abcteach
Abcteach: Basic Math Addition Activities
[Free Registration/Login Required] A collection of teacher created activities that focus on basic addition practice. Includes frog counters that can be printed and laminated, a dot-to-dot activity, and ready-to-use math worksheets that...
Khan Academy
Khan Academy: Reading Dot Plots and Frequency Tables
In this exercise, students practice reading dot plots and frequency tables. Students receive immediate feedback and have the opportunity to get hints and try questions repeatedly.
Khan Academy
Khan Academy: Reading Dot Plots & Frequency Tables
Practice reading basic dot plots and frequency tables. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
NumberNut
Number Nut: Numbers and Counting: Counting to Ten With Dots Activity
A concentration game where the player must match numbers from one to ten with the correct number of dots.
Other
Up to Ten: Sticky Drawing Dot Game (Count From 1 to 60)
Click on the dots in numerical order to find out who's hiding.
ABCya
Ab Cya: Connect the Dots Abc
Kids can practice alphabetical order while connecting the dots to reveal a picture of the alphabet. Play with upper-case letters or lower-case letters! Hints are provided after three incorrect attempts. Results are shown as a percentage...
Other
Dot Product
Come to this site to discover the formula for finding the value of a dot product. The site offers two ways to calculate the dot product, one using only the elements of the vectors, the other using the length of each vector and the angle...
ABCya
Ab Cya: Connect the Dots 1 20
Practice counting from one to twenty using this interactive connect the dots game.
NumberNut
Number Nut: Numbers and Counting: Counting From One to Ten Activity
A game where the player must first click on the picture showing one less dot than the given number, then on the picture with one more.
ABCya
Ab Cya: Valentine's Day Counting
In this fun learning activity children must pick a heart and count the number of dots inside it. Next, students should match the number of dots counted to a box below and drag the heart to the correct box. Children practice number...
University of Saskatchewan (Canada)
University of Saskatchewan: Decimal Expansions
The University of Saskatchewan's Department of Mathematics and Statistics provides high school students with an online tutorial on decimal expansions. It begins with a focus on decimal representation of real numbers, followed by how this...
Science Buddies
Science Buddies: Dots Per Inch (Dpi) and Image Quality
Your digital photo comprises a certain number of dots in the x and y directions. What happens to the print image quality as you "stretch" those dots out to larger and larger pictures? (Note: This experiment studies the dots per inch in...
Illustrative Mathematics
Illustrative Mathematics: A Sse Seeing Dots
The purpose of this task is to identify the structure in the two algebraic expressions by interpreting them in terms of a geometric context, a series of squares filled with dot arrangements. Students are asked to notice a pattern and...
Illustrative Mathematics
Illustrative Mathematics: Counting Dots in Arrays
This task aims to show students that there is often more than one way to represent a quantity. This lesson plan also lays a foundation for students to understand the commutative property of multiplication.
ABCya
Ab Cya: Comparing Number Values Junior
Comparing Number Values Junior is an educational game for kids to practice greater than, less than, and equal drills. Count the number of dots in each set and then place the correct symbol >, <, = to complete the statement. Get...
Michael Blaber, PhD
Fsu: Basic Concepts of Chemical Bonding: Exceptions to the Octet Rule
Lists the exceptions to the octet rule and provides a discussion and diagrams explaining each one. Includes clear diagrams illustrating this concept.
Annenberg Foundation
Annenberg Learner: Made From Dots
Notice how magazines print photos using dots made up of percentages of only three colors and black. Try your hand at using percentages of cyan, magenta and yellow to match the magazine color displayed.
Curated OER
Spanish Number Words Dot to Dot Game Counting in Spanish.
This site contains four interactive games for young Spanish learners. Reviews parts of the face, the alphabet, counting and counting backwards. this is easy to use and fun for kids.