Curated OER
Number Line Snacks: Compare Numbers to 10
Kindergarteners put Cheerios or cheddar fish on two number lines (up to 10 each) and identify which number the snack pieces indicate. They compare numbers after eating a few of each snack, and get an introduction to addition and...
Curated OER
Counting and Writing Numbers 1-20
Learners connect quantity with numbers from 1 to 20 in this 2-part exercise. First they count the number of circles in a row and write the appropriate numeral from 1 to 10. In the second part, they count objects from 11-20. To extend:...
Curated OER
Spelling Numbers
Spelling your number 1-10! Here is a list of number words 1-10, each slide has the numeral and the corresponding number word.
Curated OER
Unknown Numbers in Sums and Differences
Beginners to addition and subtraction will have fun with these three word problems, which have accompanying visuals. They complete one problem with a missing difference, one with a missing sum, and a third with a missing subtrahend....
Curated OER
Roman Numeration
Gain a deeper understanding of the base 10 system through practicing conversion to Roman numerals through one million. The class is taught how to read the numerals through modeling and guided practice. This lesson includes a homework...
Curated OER
Comparing Fractions with a Different Whole
What was Bryce's mistake? Through analysis of a student work example, learners develop their own ability to compare the fractions one fourth and one half. Central to this activity is the concept that, when comparing fractions, the whole...
Curated OER
Understanding Place Value, Up to 3-Digit Numbers
Work on place value and addition. Here is a resource that features different types of problems for your second graders to solve. After studying the example at the top of the page, they write the missing number in 12 addition problems....
Curated OER
Fractions: Part of a Whole
Learners add fractions with like denominators. They add using both fraction strips and numbers. Next, they look at mixed numbers and improper fractions that result from the addition process. This is a good way to understand fractions...
Curated OER
Compare and Order Numbers
Students compare and order numbers to 100. They count numbers forwards and backwards. Given specific numbers, students place the numerals in the correct order. Students use bean bags, cubes, or blocks to compare and order numbers.
Illustrative Mathematics
Assessing Sequencing Numbers
Assess whether your kindergartners can identify numbers in random order using two sets of numeral cards 1-10 and 11-20. Starting with a small group and the 1-10 deck give your learners the task of putting the cards into order from...
Nebraska Department of Education
Activities for Numbers
Looking for ideas for teaching numbers to your Spanish class? Try out one or all of these 16 activity ideas!
Charleston School District
Identifying Irrational Numbers
These numbers have some personality! Are they rational or irrational? The lesson examines the definitions of rational and irrational numbers and shows examples of how to identify them.
EngageNY
Rational and Irrational Numbers
Back to the basics: learning how to add numbers. The 17th installment of a 35-part module first reviews addition techniques for rational numbers, such as graphical methods (number line) and numerical methods (standard algorithm). It goes...
Illustrative Mathematics
Hundred Chart Digit Game
Math games, especially in the primary grades, provide great opportunities for developing the number sense of young mathematicians. Working in pairs with a deck of single-digit cards, students take turns drawing two cards and reading the...
Shodor Education Foundation
Whole Number Cruncher
Time to crunch the numbers! Young scholars use an interactive number cruncher to practice operations with whole numbers. They input a number and watch as the number cruncher produces the output and then use the data pairs to determine a...
Core Knowledge Foundation
A “Whole” Lot of Fraction Fun!
Young mathematicians are introduced to fractions in a unit that helps them to understand parts of a whole.
Grammar Net
Numbers 1-30
Jot down some figures with an activity about printing numbers. First, learners fill in the blanks with the numbers next to their printed forms. Then, they complete simple addition and subtraction problems with numbers that are written out.
Thomson Brooks-Core
Complex Numbers
A straightforward approach to teaching complex numbers, this lesson addresses the concepts of complex numbers, polar coordinates, Euler's formula, De moivres Theorem, and more. It includes a practice problems set with odd answers and a...
Code.org
Binary Numbers
All you need is a zero and a one. Build pupils' understanding of binary values and number systems to gain familiarity with binary numbers. Using a hands-on activity and technology, scholars learn how the binary system works and its place...
Code.org
Encoding Numbers in the Real World
Ah, the numerous number of numbers. Individuals research different ways of encoding numbers. After conducting their initial research, they find classmates who have researched a different article and the pair share information. The lesson...
Illustrative Mathematics
Comparing Freezing Points
Subtracting negative numbers can be confusing to your middle schoolers. Here, they are able to draw a number line and put their answer in sentence form to check their understanding of negative numbers.
Curated OER
Writing Numbers With Song
Students study the numerals from one through five. For this number sense lesson, students sing a number song and practice drawing the numerals on the chalkboard. Students use their bodies to make the shapes of the numbers.
Curated OER
Writing Numbers With Song
In this activity, Writing Numbers With Song, students practice writing their numbers 1-5. Students sing the numbers song and explore how to draw the numbers 1-5 in the song. Students practice drawing their numbers after the teacher has...
Curated OER
Estimating with Whole Numbers
In this estimation worksheet, 6th graders take a quiz estimating 13 problems with whole numbers. Students utilize the concepts of addition, subtraction, multiplication and division. Students answer 4 questions regarding a word problem...