+
Lesson Plan
Curated OER

Investigation- More than 4- Less than 5

For Teachers 7th
Seventh graders practice combining decimals and fractions to find sums which are either greater than 4 or less than 5. Students first approximate the value of each fraction and decimal, then they look for combinations to fit the guidelines.
+
Lesson Plan
Curated OER

Part Part Whole

For Teachers 1st
First graders solve number sentences. In this problem solving lesson, 1st graders construct addition sentences using a part part whole mat. Students demonstrate problem solving strategies using cubes.
+
Lesson Plan
Curated OER

Addition Properties

For Teachers 3rd - 5th
Student study addition properties. In this addition properties lesson, students use multiple methods to solve various types of problems. Students illustrate and describe in various ways the Commutative Property of Addition. Students...
+
Lesson Plan
Curated OER

Pattern Puzzles

For Teachers 1st - 2nd
A short video introduces place value in addition and subtraction. As a class, your students identify all even numbers up to one hundred and explain the pattern. They use addition strategies to fill in the missing numbers on the number grid.
+
Worksheet
Curated OER

Combinations and Functions

For Students 10th - Higher Ed
In this combinations worksheet, students determine the number of combinations in a given situation. They explore sets and determine if the relation is reflexive, symmetric or transitive. This one-page worksheet contains seven problems.
+
Worksheet
Public Schools of North Carolina

Math Stars: A Problem-Solving Newsletter Grade 4

For Students 4th Standards
Fresh off the press, these math newsletters will challenge the problem solving skills of your young mathematicians. With an incredibly wide variety of questions covering the topics of arithmetic and geometry, these unique...
+
Lesson Plan
Curated OER

Adding Ten Tiles I

For Teachers 6th - 7th
Pupils practice this problem that needs a certain amount of experimentation (trial and error) to get any answer at all. In the process they practice their basic number facts. However, to get the complete set of answers Students need to...
+
Lesson Plan
Curated OER

Tetrahedral Dice

For Teachers 6th - 9th Standards
Put those thinking hats on and look at all the possible outcomes from rolling two different four-sided dice. The challenge in this problem is finding all the combinations when adding and subtracting the numbers from each die and creating...
+
Lesson Plan
Curated OER

Trading Faces

For Teachers 2nd - 3rd
The game of "Trading Faces" is the focus of this clever math lesson. Your mathematicians use addition to determine the values of different coin combinations by playing the game. Everything you need to implement the game, and the lesson,...
+
Lesson Plan
Actis

Handling Data: Probability, Tree Diagrams

For Teachers 6th - 8th Standards
Clean, but captivating, two online simulations demonstrate probability for middle schoolers. They can choose the number of coins and tosses and watch as the results pile up. They can choose from a variety of spinner types and the number...
+
Lesson Plan
Curated OER

Adding Two Digit Numbers with Using Dimes and Pennies

For Teachers 2nd
Second graders participate in a math game using dimes and pennies. They practice combining coins to make a given amount of money, and they use the combinations to practice adding two digit numbers. Teacher assessment strategies and...
+
Lesson Plan
Curated OER

Art or Junk? Discovering the Triangle Inequality

For Teachers 6th
Middle schoolers study the triangle inequality. They will identify, compare, and analyze attributes of two and three-dimensional shapes. Then they develop vocabulary to describe the attributes. They also use manipulatives to analyze the...
+
Lesson Plan
Curated OER

My Son is Naughty

For Teachers 7th - 9th
Students find factors of numbers; work systematically; and use logic to explain away certain possible number combinations. They then devise and use problem solving strategies to explore situations mathematically.
+
Interactive
Curated OER

Probability and Statistics Pre-Test

For Students 8th - 9th
In this statistics and probability interactive worksheet, students answer ten multiple choice questions by applying the principles of probability.
+
Worksheet
Curated OER

Building a Computer

For Students 6th - 9th
For this computer worksheet, students read about computers and the definition of a computer. They build a simple computer using two rulers and learn to add numbers using the computer they build. They answer three critical thinking...
+
Activity
Curated OER

Jelly Beans for Sale

For Teachers 1st - 3rd
Students connect literature (story Jelly Beans for Sale by Bruce McMillan) to math concepts. In these estimating and money lessons, students work with jelly beans, unifix cubes, pennies, nickels, dimes, and quarters, to estimate and make...
+
Lesson Plan
Curated OER

4c and 7c Stamps

For Teachers 5th
Fifth graders determine what it takes for a sequence of numbers to carry on infinitely. They examine patterns that can be made using linear combinations of 4 and 7 based on the use of four cent and seven cent stamps. They use appropriate...
+
Worksheet
Curated OER

The Winchester Census Problem

For Students 9th - 12th
For this secondary mathematics worksheet, learners determine solution to a riddle involving the census and the ages of the children in the household.  The one page worksheet contains one problem.  Answer is provided. 
+
Worksheet
Curated OER

The Pentagram Problem

For Students 7th - 10th
In this pentagram worksheet, students examine a pentagram and number the intersection of lines.  They number the crosspoints in such a way that the sum of the numbers on each line are equal.  This one-page worksheet contains 1 problem. ...
+
Lesson Plan
Curated OER

Counting Coins

For Teachers K - 2nd
Students identify the different types of coins. They practice buying objects in the classroom with their coins. They must use different combinations of coins in all situations.
+
Lesson Plan
Curated OER

Composition of Functions

For Teachers 9th - 10th
Students solve composition of functions. In this algebra lesson, students find the sum, difference and product of functions. They find the inverse of a function.
+
Worksheet
Curated OER

Linear Systems: Graphical Interpretation of Vectors and Linear Systems

For Students Higher Ed
In this interpretation of vectors and linear systems worksheet, students describe the geometric appearance of two vectors. They add the two vectors and sketch the sum as well as the vectors to determine the commutativity of vector...
+
Lesson Plan
Curated OER

Money: Demonstrating Coin Value up to $1.00

For Teachers K - 2nd
Students examine coin values up to $1.00 using paper coins. In this coin value activity, students compare and contrast various coins to aid in identification, sort coins from smallest to largest, and match an equal number of pennies to...
+
Lesson Plan
Curated OER

STRETCHING SPRING

For Teachers 10th - 12th
Young scholars calculate the length, width, height, perimeter, area, volume, surface area, angle measures or sums of angle measures of common geometric figures. They create an equation of a line of best fit from a set of ordered...