Curated OER
Dinosaur Math
Second graders practice vocabulary related to measurement, mathematics, and dinosaurs. Using the engaging topic of dinosaurs, learners will calculate various information about dinosaurs and use measurement vocabulary. They will also...
Curated OER
Greater Than, Less Than, or Equal To
This resource offers a quick lesson in using the symbols for greater than, less than, and equal to to compare single-digit numbers. However, the practice worksheet included has learners comparing numbers to the 100,000s, as well as...
Curated OER
Mentally Add Larger Numbers
Using what they know about adding 10s and 100s, learners attempt to mentally solve 18 addition problems. Each problem requires them to think of the nearest 10 or 100, add them together, then add the remaining units.
Illustrative Mathematics
Cari's Aquarium
The volume of a fish tank is a rather important measure when it comes to building an aquarium for different species of fish. In this problem, your kids look at how many different ways they can make a fish tank of a specific volume,...
Curated OER
Particle Model of Solids, Liquids, and Gases
Display the arrangement of molecules in solids, liquids, and gases. Demonstrate how the addition of heat energy results in greater molecular motion and therefore a change of phase. Give examples of heat conductors and insulators, and...
Curated OER
Math Review Questions
In this problem solving worksheet, students calculate and solve 52 questions or equations having to do with a variety of math concepts and strategies.
DK Publishing
Counting Caterpillars
These caterpillars each have a number sequence printed on their segmented bodies, but some numbers are missing! Look at the completed caterpillars as an example, asking kids to notice a possible pattern. They should observe that the...
Curated OER
Number and Number Relations
Upper graders multiply numbers by tens and hundreds, and multiply two and three digit numbers by one digit numbers. They participate in a teacher-led lecture and complete examples with the class, complete a worksheet, and discuss the...
Curated OER
Chemistry 231, Exam 3
This exam is aimed at assessing college level organic chemists. Ten problems are to be solved and include drawing molecular structures, assessing degrees of saturation, ordering alkenes according to stability, and explaining chemical...
Curated OER
The Pre-Civil War Era (1815–1850)
For this online interactive U.S. history worksheet, students respond to 9 short answer and essay questions about 19th century America. Students may check some of their answers on the interactive worksheet.
Curated OER
Tracking the Salt Front
Using the Hudson River as the focus, learners discuss the difference between salt water and fresh water environments, analyze maps and graphs, and complete addition and subtraction problems. This lesson comes with a wealth of...
Curated OER
The Number Line
Learners graph and order numbers using a number line. They also solve word problems using fractions and decimals and rewrite equations to solve problems correctly. Several example word problems are given.
National Nanotechnology Infrastructure Network
What’s the Smallest Thing You Know?
Elementary learners listen to a story, then sort objects from largest to smallest at six different stations around the classroom. Adaptable for a large range of age and ability groups.
Anti-Defamation League
Harriet Tubman on the $20 Bill: The Power of Symbols
How important are symbols and symbolic gestures in society? Middle schoolers have an opportunity to analyze the importance of symbols on American currency with a lesson that investigates the controversies surrounding redesigning the $5,...
Curated OER
Practice Makes Perfect
For this subtraction and addition worksheet, students solve 4 problems in which subtraction or addition is used to solve story problems. There is regrouping on the page.
Curated OER
Matter
Pupils complete a unit of activities to learn about states of matter and how to measure matter. In this matter lesson, students complete 8 lessons to learn about matter, its states, and how to measure matter.
Curated OER
Bean Addition
A hands-on lesson created students use beans as manipulatives to solve addition number sentences. Requires the book, Mission Addition by Loreen Leedy.
Pennsylvania Department of Education
What Balances?
Students explore another meaning of subtraction as it pertains to the inverse of addition. In this what balances activity, students identify the concept of subtraction as a balance. Students use subtraction facts to generate addition...
Curated OER
Add or Subtract
In this addition and subtraction worksheet, students add or subtract the single, two, and three digit problems. Students use the provided space to solve the problems. Students solve 28 problems.
Curated OER
Christmas Themed Math Word Problems 0 to 40
In this addition and subtraction worksheet, students read and solve Christmas themed word problems 0 to 40. In this fill in the blank worksheet, students show their work to solve two word problems.
Curated OER
What Numbers Do Digits Represent
In this place value worksheet, students write down the value of the number underlined in the larger numbers. For example, 390 945 will be provided and students write down 40. They then use a calculator to solve addition and subtraction...
Alabama Learning Exchange
Partying with Two/Three Digit Whole Numbers
Learners practice problem-solving with this addition activity. They plan a party for their class and another class by determining how many cupcakes are needed. Students draw a picture of how they determined the number of cupcakes.
Curated OER
Number Words
In this number words worksheet, students fill in the words that represent the numbers. Students write 10 words for the numbers total.
Curated OER
Which way?
In this comparison worksheet, students complete addition and subtraction problems and then decide if the answer is greater or less than a given number. Students complete 15 problems.