Activity
Noyce Foundation

Surrounded and Covered

For Students K - 12th Standards
What effect does changing the perimeter have on the area of a figure? The five problems in the resource explore this question at various grade levels. Elementary problems focus on the perimeter of rectangles and irregular figures with...
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.
Activity
Noyce Foundation

Double Down

For Students K - 12th Standards
Double the dog ears, double the fun. Five problems provide increasing challenges with non-linear growth. Topics include dog ears, family trees and population data, and geometric patterns.  
Lesson Plan
PBS

Garden Grade 6 Area and Perimeter

For Teachers 3rd - 6th Standards
Engage young mathematicians in applying their knowledge of area and perimeter with a fun geometry activity. Through a series of problem solving exercises, children use their math knowledge to design different-sized garden...
Assessment
Noyce Foundation

Counters

For Teachers 6th - 7th Standards
For some, probability is a losing proposition. The assessment item requires an understanding of fraction operations, probability, and fair games. Pupils determine the fractional portions of an event. They continue to determine whether...
Instructional Video16:10
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Flipped Math

Parallelograms and Triangles

For Students 9th - 12th Standards
Expand area problems to incorporate prior knowledge. Pupils begin by reviewing the formulas for finding the area of parallelograms and triangles. The scholars apply previous learning of trigonometric ratios and the Pythagorean Theorem to...
Worksheet
Curated OER

What Am I?: Geometric Shape Riddles

For Students 1st - 3rd
Combine literacy, problem-solving, and geometric shape recognition with this riddle worksheet. Scholars solve 4 riddes, naming the shape described in each. Descriptions are in first person, and include a real-life look-alike. For...
Worksheet
Super Teacher Worksheets

Improper Fractions & Mixed Numbers

For Students 3rd - 6th Standards
Young mathematicians demonstrate their understanding of part-whole relationships in a fraction skills worksheet. Presented with a series of mixed numbers and improper fractions, learners must correctly convert each of them into...
Activity
Education Development Center

Integer Combinations—Postage Stamps Problem (HS Version)

For Students 8th - 9th Standards
It seems the post office has run out of stamps! Learners build all the values of postage available if the post office only sells five- and seven-cent stamps. The task provides an opportunity to create an expression in two variables and...
Activity
Baylor College

Air: The Math Link

For Teachers 1st - 3rd Standards
Inflate this unit on the science of air with these math skills practice and word problems. Accompanying the children's story Mr. Slaptail's Secret, this resource covers a wide range of math topics including the four basic...
Worksheet
Math Worksheets 4 Kids

Decimal into Fraction

For Students 4th - 6th Standards
Encore, encore, again, and again—skills practice sheets are a proven tool for supporting skill mastery. Learners can work on mastering skills of converting decimals into fractions with this exercise.
Lesson Plan
Curated OER

Modeling: Having Kittens

For Teachers 9th - 12th Standards
Cats can't add, but they do multiply! Determine the number of descendants of a single cat given specific facts about cats and kittens. The lesson focuses on developing strategies for problem solving using both individual and group work....
Handout
Prince Edward Island

Fact Learning, Mental Computation, Estimation

For Teachers 4th - 6th Standards
Need help with mental math in your classroom? This guide is full of tips, tricks, and examples to help the teacher encourage learners to use their brain instead of a calculator. Practice problems are included with reasons how...
Lesson Plan
EngageNY

Read Expressions in Which Letters Stand for Numbers II

For Teachers 6th Standards
Reading and writing take on a whole different meaning in math class. Young mathematicians learn to read verbal phrases by focusing on operation words. They write equivalent algebraic expressions for both mathematical and contextual...
Worksheet
Mathed Up!

Ratio

For Students 5th - 7th Standards
Reinforce math skills with an eight-page exercise comprised of 15 problems covering the concept of ratios. 
Lesson Plan
EngageNY

From Ratio Tables, Equations and Double Number Line Diagrams to Plots on the Coordinate Plane

For Teachers 6th Standards
Represent ratios using a variety of methods. Classmates combine the representations of ratios previously learned with the coordinate plane. Using ratio tables, equations, double number lines, and ordered pairs to represent...
Assessment
Concord Consortium

Bill the Ball Bearing Man

For Students 10th - 12th Standards
Just how durable could a hollow ball bearing be? Learners model the strength of the walls of a ball bearing as a function of the radius of its cavity. They use their models to make reasonable conclusions about the probability of failure...
Assessment
Curated OER

2004 U.S. National Chemistry Olympiad Exam Part II

For Students 9th - 12th
In this National Chemistry Olympiad test, junior chemists answer eight problem solving questions on a variety of topics. These include calculating molarity of solutions, determining rates of reactions, calculating decay and discussing...
Worksheet
Curated OER

"The Case of the Pilfered Pizza"

For Students 3rd - 5th
In this problem solving worksheet, students read a 2 page math mystery involving pizza. Students use their mathematical skills to solve the mystery of finding out who was the pizza thief.
Lesson Plan
Curated OER

Help the Grinch Maze

For Teachers K - 1st
In this Dr. Seuss's Grinch activity worksheet, students help the Grinch find his way to his cave as they use problem solving skills to complete the maze.
Worksheet
Curated OER

Midwestern States Word Search

For Students 4th - 8th
In this Midwestern states worksheet, students examine the 12 states listed in the word bank and employ problem solving skills to locate them in the word search puzzle.
Worksheet
Curated OER

Graphs 2

For Students 5th - 7th
In this graph practice worksheet, students examine a graph and use their problem solving skills on order to respond to 5 questions regarding the information presented on the graph.
Worksheet
Curated OER

Problem-Solving Strategy: Make an Organized List

For Students 6th - 7th
In this organized list worksheet, students review the problem solving strategy of reading for information and using a math model or organized list to solve the problem. Students then complete the two problems by using organized lists.
Lesson Plan
Curated OER

Analyzing Problem Solving-3

For Teachers 4th - 6th
In this elementary math worksheet, young scholars read the word problems and figure out what kind of number sentence is used to solve the four questions.

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