Chicago Botanic Garden
Are All Plants Created Equal?
Photosynthesis requires energy and produces food, and cellular respiration produces energy and requires food. An interesting activity analyzes the factors that affect the rates of photosynthesis and respiration. Classes spend one day...
Smithsonian Institution
Separate is Not Equal: Fight for Desegregation
Separate is not equal! An eye-opening activity delves into the past to understand the fight for desegregation and how it impacted African American communities. Academics complete two one-hour lessons using documents, photographs, and...
Illustrative Mathematics
Two Wheels and a Belt
Geometry gets an engineering treatment in an exercise involving a belt wrapped around two wheels of different dimensions. Along with the wheels, this belt problem connects concepts of right triangles, tangent lines, arc length, and...
Curated OER
Two Squares are Equal
This problem is sure to get your young mathematicians thinking. The idea sounds simple: one equation, solve it as many ways as you can. This is meant to get at a deeper understanding of solving quadratic equations, including some more...
Florida Center for Instructional Technology
A Human Number Line: Teacher Notes
Twenty-one pieces of tagboard can lead your class to a greater understanding of integers when you use them to form a human number line. After creating this math tool, two strategies for adding and subtracting will have your...
Curated OER
Dollar Word
Students review the value of coins prior to adding up values to equal one dollar. Letters of the alphabet are assigned monetary values and students use calculators to add up the value of a word. Students work with a partner to try and...
Curated OER
Equal Differences Over Equal Intervals 1
Learners explore linear functions concretely using tables of values in a cooperative task. The concept of the values of linear functions changing by equal differences over equal intervals of one is emphasized. Learners will discover the...
Curated OER
Mixed Tables
How many pennies does each person get? There are four visual division problems for young mathematicians to solve, and they divide 12 pennies among a set of people for each. They draw the coins above each recipient and then write the...
Curated OER
Smaller Than One
Students examine how to convert fractions into decimals and percents. They work with base ten blocks and a worksheet to color in parts of 100 and renaming the parts as decimals and fractions.
Curated OER
Fractions of Shapes
Fraction models are a great way to help scholars visualize this concept, and they focus on thirds with these practice problems. First, there are five shapes each segmented into three even sections. Learners color in one-third of each,...
Curated OER
Solving One-Step Inequalities by Adding/Subtracting
For this solving inequalities worksheet, students add and subtract to isolate the variable for 26 inequalities. Each solution is then graphed on a number line.
Mathematics Assessment Project
Cross Totals
Finally, it all adds up. Learners complete a number puzzle in which they investigate the sums of the digits one through nine in a cross pattern. They then try to determine what totals are possible and which ones are not before devising a...
Curated OER
Add and Subtract Equations with Equal Sign
Gain exposure to addition and subtraction symbols. First, pupils examine a visual number sentence (featuring Sponge Bob), filling in the correct symbol to make it a complete equation. Next, they read a run-on number sentence involving...
Maths Blog
Equivalent Fractions: Equal, Largest, or Smallest
Elementary mathematicians begin by reading a one-page text that explains how to compare fractions. They solve two problems in which they must circle equal fractions in a set. They then solve four problems where a set of five fractions is...
What So Proudly We Hail
The Meaning of America: Equality
What if society sought equality by handicapping the gifted and dispelling any traces of diversity? Kurt Vonnegut Jr. offers one possible answer to this question through his incredibly engaging and thought-provoking satirical...
Illustrative Mathematics
Two Interpretations of Division
Division can be seen in two ways; as splitting a whole into a certain number of pieces, or splitting it into pieces of a certain size. Help your class reach this understanding with these two simple word problems. Encourage the use of...
Curated OER
Multiplication Using Arrays, Number Lines, and Repeated Additions
An educational article can be as useful a tool as a good lesson. This article focuses on how one can use arrays, repeated addition, and number lines to reinforce a deeper understanding of multiplication. Links to 5 different worksheets...
Curated OER
"Your Son, Your Only One" - The Sacrifice of Isaac as a Motif in Holocaust Poetry
Class groups examine a series of poems that use Abraham’s willingness to sacrifice Isaac as a motif in Holocaust poetry. Included are questions, notes to the teacher, and bibliographical information on each poem. The activities could be...
EngageNY
Euler’s Number, e
Scholars model the height of water in a container with an exponential function and apply average rates of change to this function. The main attraction of the instructional activity is the discovery of Euler's number.
Anti-Defamation League
Challenging Gender Role Stereotypes
Through thoughtful discussion and a read-aloud, scholars challenge gender role stereotypes. Pupils examine pictures and collaborate with their small groups to debunk stereotypes. They explain what gender role stereotypes they know of and...
Curated OER
Add and Subtract Equations With Equal Sign - Guided Lesson Explanation
What sign is missing? Is this equation true? Rather than a worksheet, this resource is a one-page script for a guided lesson on addition and subtraction equations. While the pupil handout is missing, the teacher guide could be...
Curated OER
Add and Subtract Equations With Equal Sign - Independent Worksheet
Do your young counters need independent practice adding and subtracting? For each of the ten equations listed on the worksheet, pupils must determine if the problem is correct or incorrect. If correct, learners draw a box around the...
Curated OER
Numbers 1-7
In this number worksheet, students draw a line from a number to a group of items that equal that same number. Numbers used are 1-7.
Curated OER
Fractions - Equal or Not
A fabulous lesson plan on fractions awaits your young mathematicians. In it, learners are invited to explore the world of fractions by accessing websites that have educational activities and worksheets embedded in them. Some excellent,...