Pennsylvania Department of Education
Comparing Sets
Students count back with cubes to model subtraction problems. In this subtraction lesson plan, students compare sets of problems and record their results in a table.
Pennsylvania Department of Education
Using Multiplication to Solve Word Problems
Fourth graders solve word problems using multiplication. In this multiplication lesson, 4th graders write and solve word problems using their prior knowledge of multiplication.
Curated OER
Pattern Search
Third graders review the commutative and associative property in mathematics. Using a worksheet, they work together to identify the patterns between the 32 triangles. To end the lesson, they create their own array and exchange it with...
Curated OER
Reproductive Lottery
Young scholars explain that fishes that reproduce externally have to release great numbers of eggs and milt (sperm) in order to ensure fertilization.
Curated OER
Negative Magic Squares
Magic squares are interesting objects in both mathematics proper and in recreational mathematics. So they are objects that children should have heard about and experienced. The problems in this sequence give students the opportunity to...
Curated OER
6.1 Computing Components
Students define computer terms such as hardware, software, input and output devices, central processing unit, etc. in their own words, and relate terms to computer system they are using.
Curated OER
Clock Arithmetic and Cryptography
Learners investigate modular clock arithmetic and cryptography. They perform basic operations in modular (clock) arithmetic and encode and decode messages using simple shift and affine ciphers.
Curated OER
Clock Arithmetic and Cryptography
Students explore the concept of modular arithmetic and cryptography. In this modular arithmetic and cryptography activity, students use applets to explore modular arithmetic using a clock and Caesar Ciphers. Students exchange their...
Curated OER
Adding "Homeside" to "Schoolside" Learning
Students participate in activities in order to improve their ability to work cooperatively in groups at school as well as with their family at home. They complete the activities at home with their family then discuss the results of the...
Curated OER
How Big is an Oil Tanker
Learners measure out 100 feet to get an idea of how long an oil tanker is. In this measurement lesson, students sketch an oil tanker using the appropriate scale, after they have an idea of how large an actual oil tanker is.
Curated OER
Using Variables And Ratios To Get You in the Right Gear
Young scholars examine the use of variable and ratio in everyday situations including figuring out the gear ratios for the gears on a 12 speed bike. They use the bubble sort technique to write a computer program which will determine the...
Curated OER
Multiplying and Dividing Whole Numbers
In this multiplication and division worksheet, students practice multiplying and dividing whole numbers with different pictures to illustrate their problems. Students complete 29 problems.
Curated OER
Mussel Movements
Students consider the impact of invasive species on local environments. In this ecology lesson, watch the video, Arizona Wildlife Views, which focuses on invasive species. Students develop vocabulary, relate to meaningful comprehension...
Curated OER
Fraction King Lesson Plan
Students combine imagination, block manipulation, and computer applets to investigate fractions.
Curated OER
Cartoon Creation
Fifth graders create four to six illustrations that produce sequential movement and change when rapidly flipped through with a thumb. Students demonstrate motion and change are shown in a series of illustrations by sharing original...
Curated OER
A Soldier's Life
Young scholars read and interpret letters about James Vanderhoef included in lesson. Students make connections and note interesting vocabulary used in the letters. Young scholars generate a list of questions about the soldier's life and...
Illustrative Mathematics
Illustrative Mathematics: 3.oa Making a Ten
This task builds on that knowledge by asking them to study more carefully the make-a-ten strategy that they should already know and use intuitively. Aligns with CCSS.Math.Content.3.OA.D.9 Identify arithmetic patterns, and explain them...
ICT Games
Ict Games: 100 Hunt: +10
You will need to add 10 to the target number given. Find the sum and click on it in the hundreds chart. See if you can keep your time score as low as possible.
PBS
Pbs Kids Afterschool Adventure!: Operation: Adding Up, Taking Away Activity Plan
In this week's Afterschool Adventure, children will practice and explore strategies for solving addition and subtraction problems, such as using counters and rulers, performing mental math, and drawing pictures. As children encounter...
Khan Academy
Khan Academy: Addition Using Groups of 10 and 100
In this exercise, students practice addition using groups of 10 and 100. Students receive immediate feedback and have the opportunity to get hints, watch a video tutorial, and try questions repeatedly. CCSS.Math.Content.3.NBT.A.2...
Illustrative Mathematics
Illustrative Mathematics: Hitting the Target Number
The purpose of this task is to help students develop flexible strategies for adding and subtracting within 20. Students will pick 5 number cards from pre-made cards labeled 1-10. Then, another student will pick a "target number" between...
Khan Academy
Khan Academy: Add Using Groups of 10 and 100
Practice making groups of 10 and 100 while adding 3-digit numbers. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
University of Cambridge
University of Cambridge: Nrich: Adding Plus
On this one page website sharpen your logic and addition skills while working on this challenge. The solution is available to double check your solution.
University of Cambridge
University of Cambridge: Nrich: Make 37
Sharpen your logic and addition skills while working on this challenge. Solution.