Illustrative Mathematics
Cynthia's Perfect Punch
Using a real-world example, this problem illustrates the thought process that learners need to engage in to understand adding mixed numbers with common denominators. First by looking at estimation, and then by drawing models that...
Houghton Mifflin Harcourt
Integers, Opposites, Absolute Value
Straight from the pages of a math textbook, this three-lesson series introduces young mathematicians to the world of integers. Starting with a definition of integers and their applications in the real world, this resource goes on to...
Curated OER
Half of a Half
After your math classes have been introduced to fractions (especially those with denominators of two, four, and eight), introduce them to fractions on a number line with this lesson. Using a meter length of tape, show your class where...
Noyce Foundation
Mixing Paints
Let's paint the town equal parts yellow and violet, or simply brown. Pupils calculate the amount of blue and red paint needed to make six quarts of brown paint. Individuals then explain how they determined the percentage of the brown...
Noyce Foundation
Cat Food
Determine the right mix of cans of cat food. The resource consists of an assessment task to determine the cost to feed two cats for a specific number of days and requires scholars to interpret remainders within a context. The resource...
Curated OER
Relating Fractions to Decimals
How well can your fourth graders convert fractions to decimals - or decimals to fractions? Drill your young mathematicians on this skill, as well as understanding place value and mixed numbers. A great quiz after your fractions unit, or...
Illustrative Mathematics
A Midpoint Miracle
Young geometers develop one of the fundamental properties of quadrilaterals (connecting side midpoints gives a parallelogram) in this short but thought-provoking exercise. Using a combination of hands-on techniques and abstract algebraic...
Mixing In Math
Mixing in Math: Growing Plants
Whether you have your class plant seeds or begin when sprouts are visible, math skills are used here to predict and track growth over time. Straw bar graphs show plant height on a given day while the graph as a whole shows changes over...
Curated OER
Introduction to Fractions on the Numberline
Learners use color-cued fraction strips and a color-cued numberline to develop basic fraction concepts and correct sequencing. They complete a worksheet using equivalent fractions to solve the problems.
Helping with Math
Fractions: Subtracting Mixed Numbers (Same Denominator)
This straightforward instructional activity simply provides practice subtracting mixed numbers. There are 18 problems to solve, all of which deal with common denominators. Not exciting, but serves its purpose.
Curated OER
Real Number Sense
Fifth graders put each number they receive in the appropriate order in a number line or a number circle. In this numbers lesson plan, 5th graders develop number sense and manipulate the numbers in order.
Curated OER
Fractions: Jim and John
Elementary and secondary learners investigate various concepts related to the study of fractions. They use word problems during the introduction to parts of a fraction and proceed to some of the basic operations of using fractions. The...
Curated OER
Integers
Using a simple technique, learners practice identifying integers on a number line. As numbers, both positive and negative, are pointed to, they name them. This could be part of anticipatory set before a lesson on integers.
Curated OER
Fractions: A Conceptual Approach
If you are teaching fractions to elementary learners this year, this Singapore Math presentation is essential to your curriculum. It addresses several basic fractions concepts in conceptual terms and figures, making each idea accessible...
Curated OER
One Whole and Its Fractional Parts
In this discovering fractions worksheet, learners read explanations with examples of fractional parts and mixed numbers and use them to create fractions. Students write four answers.
Curated OER
Smaller Than One
Sixth graders practice converting a fraction into a decimal and a percent. They explain relationships among rational numbers. They order and compare whole numbers, fractions (including mixed numbers), and decimals using a variety of...
Curated OER
Compare Fractions and Decimals
In this fractions and decimals instructional activity, students put the fraction and decimal on the number-line and then compare them using the correct symbol. Students complete 10 problems.
Star Wars in the Classroom
"Shakespeare and Star Wars": Lesson Plan Day 3
To make the point that there are many forms of language, each with its own purpose, class members select 10 lines from Doescher's play, translate these lines first into contemporary English and then into "SMS/Tweet."
Helping with Math
Fractions: Adding Mixed Numbers (Same Denominator)
Add 30 sets of mixed fractions that have common denominators. Elementary math minds get plenty of practice with this printable page. You will find the answers provided with the click of a box in the upper left corner of the web page.
Curated OER
Fraction and Decimal Ordering
Ordering numbers just got physical! Learners practice putting numbers in sequence, both in fraction and decimal form. To begin, they line up in birthday order and discuss the difference between ascending and descending. They are then...
Curated OER
Human Number Line
Students compare different types of numbers. Each student is given a flashcard containing a decimal, percent, fraction or integer. Teams of students compete, in silence, to determine who can line up in numerical order correctly. They...
Curated OER
Numbers, Numbers Everywhere!
Explore properties of integers! For this algebra lesson, pupils add, subtract, divide and multiply using integers correctly. They differentiate between rational and irrational numbers.
Curated OER
Counting
In this counting worksheet, students solve 10 problems in which a number at the left of the row is analyzed. Students then count and color the correct number of circles to match that number. All numbers are from 1 to 10, presented out of...