Curated OER
Numbered Doors
In this numbered doors worksheet, learners solve a problem where they find the least expensive way to put metal numbers on doors that all have a certain value. Students complete 1 problem.
Math Stars
Math Stars: a Problem-Solving Newsletter Grade 7
Put on your thinking caps because middle school math has never been more interesting in this huge resource full of thought provoking questions. Written as a newsletter, the resource has 10 two-page newsletters with a variety of...
Curated OER
The Ten Numbers Problem
In this algebra worksheet, students are asked to use algebra to solve a word problem. They place numbers from 1-10 on a grid without having consecutive numbers touching. There is an answer key.
Curated OER
Six numbers Trick
In this Algebra I/Algebra II instructional activity, students analyze the algebra behind a number trick involving consecutive numbers. The one page instructional activity contains one problem with an explanation of the algebra...
Curated OER
The Cross Number Problem
In this algebra learning exercise, students complete a cross word puzzle using numbers instead of words. Every number between 1 and 9 can only be used once. There is an answer key with this problem.
Teach Engineering
Discovering Phi: The Golden Ratio
Fe, phi, fo, fum. This activity leads pairs to find the ratio of consecutive terms of the Fibonacci sequence. The pairs find that the Fibonacci sequence can be found in many places. A discussion with the class shows that the ratios...
Curated OER
Baseball Lineup
For this deductive resoning worksheet, students use 9 clues do determine which player plays each position on a baseball team.
Curated OER
Santa's Pack Held Thirty Toys
In this geometry worksheet, 10th graders use the given clues to determine which of Santa’s elves dressed in which color and made which toy. The one page worksheet contains one problem with twenty-four clues. Answer...
Curated OER
Unit 8 Algebra: Brackets
For this expansions worksheet, students use area to solve expansions of brackets problems. There are 4 of this type, each problem having less guidance than the previous. The second activity asks students to solve magic square puzzles...
Curated OER
The Grandchildren Problem
In this grandchildren problem, students read facts about grandchildren. They use logical reasoning to determine the birthday of four grandchildren. Students predict the date of the fifth grandchild's birth. This...
Curated OER
U Boat Hunt
Students recognize patterns and sequences in numbers. In this geometry lesson, students create rules to define the sequences and patterns they obsere. They translate coded messages as they dicuss navigational terms.
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.