Curated OER
Monkey Subtraction
Students listen to the book Five Little Monkeys Sitting In a Tree, identify written numbers 0-9 and the symbol for subtraction; students subtract two single digit numbers using manipulatives, and recite the corresponding number sentence.
Curated OER
So Sweet
Students compare sugar levels in cereals. In this nutrition lesson, students learn how to read a nutrition facts label, predict which products will have the most sugar, discover which cereals contain the most sugar and discuss...
Curated OER
Past Real Conditional / Past Unreal Conditional
In this conditional forms activity, students, using the words given, complete the text with the appropriate conditional form, either past real or past unreal.
Curated OER
Newton's Third Law of Motion
Students move through five stations demonstrating Newton's Third Law of Motion. In this Newtonian physics lesson plan, students watch as the instructor uses a firecracker to demonstrate action and reaction. The students travel to five...
Curated OER
Milky Way Galaxy
Students simulate stars in the Milky Way Galaxy using newspaper prints. In this space science lesson, students compare the number of 'stars' on their page to familiar things. They calculate how many pages they need to have the same...
Math Slice
Math Slice: Smart Guess Game
Can you guess the correct number between 1 and 99 in less than 30 tries? Play this fast paced, interactive game that tests your number sense and reasoning skills. If your are a great guesser, your name will be posted.
University of Cambridge
University of Cambridge: Nrich: Read This Page
On this one page website sharpen your logic and problem solving skills while working on this challenge. The solution is available to double check your solution.
Birmingham Grid for Learning (UK)
Birmingham Grid for Learning: Guess My Number to Twenty
See if you can guess his number between 1 and 20. He will tell you if your guess is too high. He will also tell you when it is too low. These hints will help you figure out what his number is!
Birmingham Grid for Learning (UK)
Birmingham Grid for Learning: Guess My Number to 100
See if you can guess his number between 1 and 100. He will tell you if your guess is too high. He will also tell you when it is too low. These hints will help you figure out what his number is!
University of Cambridge
University of Cambridge: Nrich: Make 100
On this one page website sharpen your logic and problem solving skills while working on this challenge. The solution is available to double check your solution.
University of Cambridge
University of Cambridge: Nrich: Spelling Circle
On this one page website use trial and error to find the words hidden in the spelling circles. Check your solution right at the website.
University of Cambridge
University of Cambridge: Nrich: A Magical Number Maze!
On this one page website sharpen your logic and problem solving skills while working on this challenge. The solution is available to double check your solution.
University of Cambridge
University of Cambridge: Nrich: 1 to 8
Use the clues and problem solving strategy, trial and error, to solve this problem. When you have your solution you can check it right on this one page website.
University of Cambridge
University of Cambridge: Nrich: Highest and Lowest
On this one page website sharpen your logic and problem solving skills while working on this challenge. The solution is available to double check your solution.
University of Cambridge
University of Cambridge: Nrich: Number Juggle
Use those problem solving skills to find a solution to this triangle problem. When you have your solution you can check it right on this one page website.
University of Cambridge
University of Cambridge: Nrich: 1, 2, 3, 4, 5
On this one page website sharpen your logic and problem solving skills while working on this challenge. The solution is available to double check your solution.
University of Cambridge
University of Cambridge: Nrich: Konigsberg Plus
See if you can solve this classic problem that Leonhard Euler first presented in 1736. Use the interactive section of this website to help you.
PBS
Nova Online: How Many Pearls? A Weight & Volume Game
This interactive game has students apply skills in estimation, measurement, and basic addition using pearls. Students are asked to estimate the number of pearls in a treasure chest by making predictions and using number sense. The skills...
Birmingham Grid for Learning (UK)
Birmingham Grid for Learning: Guess My Number to 10
This resource allows students to compare number values, as well as practice other number concepts.
Channel 4 Learning
Channel 4 Maths: Mathszone
Can you help Ben and Mai escape their captors and foil the robbers' getaway plan? Test your mathematical aptitude in this captivating, interactive, adventure game that uses a PDA/calculator to solve math clues. Students will activate...
University of Cambridge
University of Cambridge: Nrich: Eleven?
Only by replacing these letters with the correct digits can you make this problem add up correctly! The solution is located right at this one page website.
University of Cambridge
University of Cambridge: Nrich: What's It Worth?
Use this one page website to practice the problem solving strategy of trial and error! The solution is available right at the website.
University of Cambridge
University of Cambridge: Nrich: Money Bags
Practice your problem solving skills while you help Ram figure out how many pennies to put in each bag. The solution is right on this one page website.
University of Cambridge
University of Cambridge: Nrich: Buckets of Thinking
Trial and error is just one of the problem solving strategies that you could use to solve this bucket problem. After you finish view the solution at this one page website.