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Worksheet
Curated OER

Use the Clues

For Students 2nd
In this reasoning worksheet, 2nd graders, after looking over the example, read 3 clues 3 times to find the 3 numbers that make each sum in 3 boxes.
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Worksheet
Curated OER

Sum Machine!

For Students 2nd
In this addition learning exercise, 2nd graders find the sum of 14 addition math problems involving three-digit whole numbers. Students write 1 original addition problem that can be solved.
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Worksheet
Curated OER

Video Viewers

For Students 3rd
In this video viewers worksheet, 3rd graders solve 2 word problems dealing with watching videos, read and analyze 4 clues in order to fill in a chart correctly involving 5 people and the types of videos they watch.
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Worksheet
Curated OER

Find the Fake

For Students 3rd
In this division problems worksheet, 3rd graders look at 7 rows of division problems and determine which one of the four on each row does not belong with the other three. Students circle their answers.
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Assessment
Noyce Foundation

Boxes

For Teachers 6th Standards
Teach your class to think outside the box. Scholars use the concept of equality to solve a problem in the assessment task. They determine how to use a scale to identify the one box out of a set of nine boxes that is heavier than the others.
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Lesson Plan
Curated OER

Twenty Questions: The Hundred Chart

For Teachers 2nd - 6th Standards
Use the 20 Questions game to practice math vocabulary and number properties! Project a hundreds chart and hand one out to learners. Ideally, give them counters (beans would work well) to mark off the chart so you can play multiple times....
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Activity
Noyce Foundation

Perfect Pair

For Students K - 12th Standards
What makes number pairs perfect? The resource provides five problems regarding perfect pairs of numbers, the definition of which changes in complexity with each task. Solutions require pupils to apply number sense and operations, as well...
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Activity
Noyce Foundation

Diminishing Return

For Students K - 12th Standards
Challenge individuals to compete as many tasks as possible. Lower-level tasks have pupils apply costs and rates to solve problems. Upper-level tasks add algebraic reasoning and conditional probability to the tasks.
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Lesson Plan
Illustrative Mathematics

Seven to the What?!?

For Teachers 5th - 7th Standards
Sometimes what seems like the easiest problem is really the most difficult. Your class is first going to reach for their calculators, but will realize the number is too large to evaluate. Now what? This is where the fun and the logical...
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Worksheet
Curated OER

Math Club #19: Brain Twisters

For Students 7th
In this brain twisters worksheet, 7th graders work in groups to solve 7 puzzles using logic and problems solving skills.
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PPT
Curated OER

Associative Property

For Teachers 4th - 6th
Here is a new twist on teaching the associative property of multiplication. The author of this presentation makes an analogy between the associative property and a couple getting married. The numbers, like people, are separate, but when...
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Worksheet
Curated OER

It All Adds Up Puzzle #19

For Students 3rd - 4th
In this addition math puzzle worksheet, students insert the correct digits in a puzzle grid so that the rows, columns and diagonals add up to the numbers given.
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Worksheet
Curated OER

Math Club Problems #12

For Students 8th
In this math club problems #12 worksheet, 8th graders solve 6 math puzzles about number patterns, drawing lines, adding sums, and family ages using logic and problem solving skills.
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Worksheet
Curated OER

Math Club #2b: Training for the Math Olympics

For Students 7th
In this Math Olympics worksheet, 7th graders work in groups to solve 2 math puzzles requiring logic and problem solving skills.
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Worksheet
Curated OER

Math Club #24: Magic Shapes

For Students 7th
In this magic shapes worksheet, 7th graders work in groups to solve 9 magic square puzzles requiring logic and problem solving.
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Worksheet
Curated OER

Math Club #28: Puzzle Potpourri

For Students 8th
In this puzzle potpourri worksheet, 8th graders work in groups to solve 5  word problems requiring logic and problem solving skills.
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Lesson Plan
Curated OER

Operation: Math

For Teachers 3rd - 5th
Students use critical thinking skills about math operations and practice using previously taught math skills. They solve a puzzle where they have to replace an * with the correct operation to complete the number sentence.
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Worksheet
Curated OER

Math Analogies

For Students 3rd - 5th
In this math analogy learning exercise, students complete the analogy by writing in the last item based on the relationship between the first two items.
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Worksheet
Curated OER

Math Squares 2

For Students 3rd - 5th
In this math worksheet, students practice solving the math squares using the four basic operations. The answers are found on page two.
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Worksheet
Curated OER

Complete Each Math Analogy

For Students 4th - 8th
In this math analogies activity, students complete math analogies that include fractions, shapes, shaded figures and more. Students complete 4 analogies.
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Worksheet
Curated OER

Math Puzzle Squares

For Students 2nd - 3rd
In this math puzzle worksheet, students compete a set of 6 puzzles, adding and filling in missing numbers to complete. A website reference is given for additional activities. 
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Unit Plan
Mathematics Vision Project

Module 6: Congruence, Construction, and Proof

For Teachers 8th - 10th Standards
Trace the links between a variety of math concepts in this far-reaching unit. Ideas that seem very different on the outset (like the distance formula and rigid transformations) come together in very natural and logical ways. This unit...
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Unit Plan
Education Development Center

Language of Algebra

For Teachers 5th - 8th Standards
Don't rush into algebra, let learners visualize, guess, and predict their way to a successful math career. The introductory unit incorporates beginner algebraic concepts with shapes instead of variables. Young mathematicians use a...
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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...