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Curated OER

Puzzles and Brain Teasers

For Students 7th - 8th
In this puzzle worksheet, students place the first 11 numbers in the eleven circles so that every 3 numbers in a straight line add up to 18.
Worksheet
Curated OER

MMC Cross Number Puzzle

For Students 4th - 5th
In this cross math puzzle, students solve the problems and then fill in the answers in the cross number puzzle going across and down in shapes of the letters MMC. Students solve 36 problems.
Worksheet
Math Stars

Math Stars: A Problem-Solving Newsletter Grade 6

For Students 4th - 7th Standards
Think, question, brainstorm, and make your way through a newsletter full of puzzles and word problems. The resource includes 10 different newsletters, all with interesting problems, to give class members an out-of-the box...
Lesson Plan
Curated OER

Chocolate Puzzles #2

For Teachers 2nd
A series of math puzzle worksheets are embedded in this simple plan which has learners solve mathematical calculation, and follow a coloring key in order to come up with the word, "chocolate." All of the puzzles are embedded in the plan....
Interactive
Royal Society of Chemistry

Halide Ion Tests

For Students 6th - 12th
Young chemists love it when colorful solid products appear in a reaction vessel! Scholars discover the products that form during halide ion tests through a hands-on activity. Users go online and apply chemistry knowledge and reasoning...
Lesson Plan
Curated OER

Wind Logic Puzzles

For Teachers 3rd - 5th
Students listen to books on wind energy for background knowledge. In this wind logic puzzle, students use knowledge of wind energy and critical thinking skills to complete logic puzzles. Students may work in groups or individually as...
Worksheet
Curated OER

Cross Number Puzzle

For Students 1st - 5th
In this math worksheet, students solve a puzzle that uses numbers in a crossword type puzzle. The sheet is intended to be a teacher's guide.
Worksheet
Curated OER

Kakuro Puzzle

For Students 1st - 12th
In this math worksheet, students solve the number puzzle looking for the missing values. The sheet is intended to be a teacher's guide.
Lesson Plan
Curated OER

Math Puzzle Worksheet: Box Addition Version 4

For Teachers 3rd - 5th
For this math puzzle worksheet, students fill in missing numbers in boxes to complete a puzzle; totals are given for rows and columns, missing numbers are part of the correct totals.
Interactive
Curated OER

Missing Dollar: the Bargain Hotel

For Students 6th
In this missing dollar:  the bargain hotel worksheet, 6th graders solve the math puzzle about paying for the hotel room using logic and problem solving.
Interactive
Curated OER

More Trees in a Row

For Students 6th
In this more trees in a row worksheet, 6th graders review one similar puzzle then solve a new one about planting 10 tress in 4 rows of 5.
Interactive
Curated OER

Float and Sink

For Students 8th
For this float or sink worksheet, 8th graders solve 1 science/math puzzle about displacement of water; the answer is available online.
Lesson Plan
Curated OER

House and Holmes: A Guide to Deductive and Inductive Reasoning

For Teachers 6th - 12th
Test your pupils' reasoning skills with several activities and a quick mystery to solve. Learners watch and analyze a few video clips that demonstrate reasoning in action, practice deduction with an interactive and collaborative...
PPT
Curated OER

Section 1: Analogies

For Students 9th
Introduce your freshmen to analogies with this packet of prompts that also includes strategies for solving these critical thinking puzzles.
Lesson Plan
Education Development Center

Area and Multiplication

For Teachers 6th - 9th Standards
Take some intellectual fun and apply it to the concept of multiplying expressions together. A guide models how to break two numbers into an area model to multiply together in pieces similar to FOILing. The rest of the puzzles consist of...
Lesson Plan
Curated OER

Logic

For Teachers 9th - 12th
Students investigate the concepts related to the study of logic. They solve logic puzzles in order to stimulate thinking and engage different types of learners. The lesson includes helpful dialogue to use with students during various...
Interactive
Curated OER

Twelve Math Word Puzzles

For Students 6th - 12th
In this puzzle worksheet, students solve twelve math word puzzles.  Solutions are provided.
Worksheet
Curated OER

Math Puzzle Squares

For Students 2nd - 3rd
In this math puzzle activity, students compete a set of 6 puzzles, adding and filling in missing numbers to complete. A website reference is given for additional activities. 
Worksheet
Curated OER

Math Puzzle Worksheets: Math Box Addition 2

For Students 3rd - 5th
In this math box addition worksheet, students fill in the blanks in 14 boxes as they use their addition skills to solve the math puzzle.
Lesson Plan
Curated OER

Climbing Math 2

For Teachers 3rd - 5th
In this math puzzle worksheet, students use their addition, subtraction, division, and multiplication skills to solve this math puzzle.
Worksheet
Curated OER

Missing Hundred Square

For Students 3rd - 5th
Kids are presented with the problem of finding the missing numbers to each of nine 100s squares. They'll need to subtract and add to make each puzzle equal 100. Great challenge or daily warm-up activity.
Worksheet
Math Stars

Math Stars: a Problem-Solving Newsletter Grade 7

For Students 6th - 9th Standards
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...
Organizer
Curated OER

Logic

For Students 5th
In this math logic puzzle activity, 5th graders complete 24 empty squares within a puzzle. Directions are provided and some numbers are filled in to prompt students. 
Worksheet
Curated OER

Puzzle Time: Dizzy Digits

For Students 4th - 6th
In this math puzzle worksheet, students use their problem solving skills and calculators to solve a 3-part math puzzle that requires them use mixed operations to solve.