CK-12 Foundation
Expression Evaluation with Different Denominators: Adding Mixed Fractions of Water
An interactive challenges mathematicians to add mixed fractions with unlike denominators. Five questions—fill-in-the-blank and multiple-choice—build from one to the next leading the way to an open discussion about denominators and...
Curated OER
Who Wants to Win Millions: Addition and Subtraction
Have your pupils practice basic addition and subtraction skills using this presentation in a game format. Learners add and subtract large numbers and answer word problems. This is a great way to review these concepts.
Charleston School District
Estimating Values of Expressions
You can't evaluate an irrational root expression without a calculator—or can you? Scholars estimate the value of roots within an expression to approximate the value of the expression. Expressions include a mix of square roots and whole...
Curated OER
Adding Fractions
All of these fraction pairs have common denominators, so adding them up is a bit simpler. There are two examples demonstrating both a mixed number and reducing to simplest terms. Scholars add up 28 fraction pairs, simplifying when...
EngageNY
Conducting a Simulation to Estimate the Probability of an Event II
Add some randomization into simulations. The 11th installment in a series of 25 presents two new methods to use in simulations--colored disks, and random numbers. Pupils use random numbers to run simulations where the probabilities make...
Curated OER
Fractions
Give mathematicians 39 chances to practice adding fractions, most of which involve mixed numbers. There are three examples to get them started, and scholars should be encouraged to reduce answers when necessary. Not for beginners, these...
Armory Center for the Arts
Place Value Collage
How can art represent math? Use a lesson on place value collages to illustrate the different meanings that numbers have in their designated places. Kids observe photographs and paintings that show place value, then work on their own.
Math Solutions
Race to 20
And they're off! Working in pairs, young mathematicians roll dice to see who can fill in their double ten-frames first. When students finally fill in their arrays, they create addition number sentences that represent their rolls, helping...
PBS
Patterns to the Rescue!
Track down the Cyberchase episode that this lesson is associated with. Using a worksheet that is embedded in the plan, learners must find the next two numbers and shapes (a double pattern). Once these have been discovered, pupils try...
DK Publishing
Learning 6 - Write the Number
Have crumpets with the queen! Kindergartners count the number of crumpets on each plate - all add up to six - and write the correct number in the space provided. They then copy a dominoes pattern for different ways to add up to six, and...
Scholastic
Pilgrim and Wampanoag Daily Life for Grades 3-5
Thirteen steps make up a lesson that challenges pupils to compare and contrast the daily lives of Pilgrims and the Wampanoag tribe. Learners revisit the Graffiti Wall then break into small groups for an investigative reading assignment...
Scholastic
The First Thanksgiving Feast for Grades 3-5
Scholars examine the first Thanksgiving through books and interviews while they complete a KWL chart. Pretending they are part of the feast, learners craft a scrapbook page that features images related to their experience. Pupils reflect...
Curated OER
Worksheet 3.1 Functions
Middle and high schoolers complete and solve 12 various types of problems. First, they express the output as a function of the input in each table. Then, pupils evaluate for the given variable when the value is as stated. In addition,...
Curated OER
Number Bonds to 10: Determine the missing addend
Each slide contains a group of animals and an equation that adds up to 10. However each equation is missing a number, learners attempt to determine the missing addend to revile the number of animals hiding under the cloud. A fun,...
Curated OER
Facts of Five
This is a great math station partner game! Using the provided ten-frame cards, learners practice creating addition problems with a sum of 5. Each card has a number between 0 and 5, and pairs shuffle and lay out five of them. They take...
West Contra Costa Unified School District
Divisibility Rules Justified
How do you know if a number is divisible? Instructors first prove the divisibility rules for three and four and then class members use this modeling to prove given divisibility rules for eight and nine either individually or in...
K5 Learning
The Blind Men and the Elephant
Sometimes it's necessary to view the whole picture before making a judgment about a small part. Read a short story about five blind men who try to identify an elephant by feeling different parts and coming to their own conclusions....
Curated OER
Arithmetic with Positive and Negative Numbers
In this arithmetic with positive and negative numbers worksheet, students 5 multi-step problems. Students find the sum of positive and negative integers. Students practive multiplying and dividing positive and negative...
Curated OER
Two-Digit by Two-Digit Tenths (D)
In this finding the product worksheet, students multiply two-digit numbers times two-digit tenths and add a decimal to the answers. Students solve 49 problems.
Curated OER
Grade 3: Palindrome Patterns
Third graders use addition to create numbers that are palindromes and organize their results to look for patterns. They make generalizations from patterns and practice reading large numbers and addition with regrouping.
Curated OER
Intro to Mayan Numbers
Learners investigate Mayan Numbers. In this algebra lesson, students compare our number system to the number system of the Mayans. They identify base 10 and base 20 numbers including zero in the Mayan symbols. They solve a Mayan problem.
Math Mammoth
Three Denominators
For this common denominator worksheet, learners learn to add three fractions using common denominators. Students then practice by adding and subtracting fractions using common denominators.
Math Mammoth
Add Like Fractions
In this fraction addition worksheet, students learn to use shaded parts of a whole to help them add like fractions. Students write addition sentences and the answer in the first set. In the second set, students shade parts of the whole...
Curated OER
Add One-Digit Numbers
In this one-digit vertical addition worksheet, students add pairs of numbers to find the sums to seventeen. Students solve 12 problems.