EngageNY
Counting Problems
Solving these percent problems is a matter of counting. Pupils find percents by counting the number of events that meet the criteria and the total number of possibilities. Participants create the ratio and convert it to a percent to...
Inside Mathematics
Printing Tickets
Determine the better deal. Pupils write the equation for the cost of printing tickets from different printers. They compare the costs graphically and algebraicaly to determine which printer has the best deal based upon the quantity of...
EngageNY
Examples of Functions from Geometry
Connect functions to geometry. In the ninth installment of a 12-part module, young mathematicians create functions by investigating situations in geometry. They look at both area and volume of figures to complete a well-rounded lesson.
Virginia Department of Education
Similar Triangles
Pupils work in pairs to investigate what it takes to prove that two triangles are similar. They work through various shortcuts to find which are enough to show a similarity relationship between the triangles. Small groups work with the...
Curated OER
Apple Addition Cards
Kids love games and manipulatives, they make learning math fun. Print this set of 10 cards and the attached markers. Learners use the cards as a game, where they count the apples of the card then place a marker on the correct answer.
Virginia Department of Education
How Many Triangles?
Something for young mathematicians to remember: the sum of any two sides must be greater than the third. Class members investigates the Triangle Inequality Theorem to find the relationship between the sides of a triangle. At the...
Radford University
Fun with Solids
Cakes offer a yummy way to learn about math. Scholars use manipulatives to discover the formulas for the surface area and volume of prisms and cylinders. They use their formulas to calculate the amount of cake mix and frosting necessary...
Curated OER
Divisor The Great! (Divide by Two-Digit Divisors)
Manipulatives make learning division easier! Your class will discover the difference between dividing with one- and two-digit divisors, and practice the procedures for each using the standard algorithm. They will use estimation to ensure...
Curated OER
Solving Problems Involving Subtraction
Here is an excellent lesson plan on solving subtraction word problems using fractions and mixed numbers. Learners complete three activities that will help them to explore and better-understand the world of mixed numbers. Fraction bars...
College Board
2000 AP® Calculus BC Free-Response Questions
How are concepts divided? Pupils use the AP® Calculus free-response questions to see how the exam addresses concepts. The concepts are divided into those that use calculators and others that do not. Calculator items require finding...
Curated OER
Odd or Even
A great way to show the difference between odd and even numbers is by using blocks. The graphics in this PowerPoint do a great job at showing the two groups of numbers. Tip: After viewing this presentation, have students experiment with...
K20 LEARN
Transformers Part 1 - Absolute Value and Quadratic Functions: Function Transformations
Transform your instruction with an exploratory lesson! Young scholars manipulate absolute values and quadratic functions to look for transformation patterns. They use the patterns to write general rules of transformations.
Mathalicious
Pandemic
Young scientists use exponential growth and logarithms to model how a virus spreads through a population. Pupils watch a news clip about the 2012 outbreak of Ebola. Scholars then manipulate inactive graphs to see how various factors...
Curated OER
Problem Solving Using Coin Identity and Coin Value
Students identify characteristics of a penny, nickel, dime, and quarter, match the value of coins, and practice using money for a purchase.
Curated OER
WS 1.0 Math Skills Update
In this math skills worksheet, students find percentages, they convert from ordinary notation to scientific notation, they convert from scientific notation to ordinary notation and they manipulate algebraic expressions.
Curated OER
Multiplication: A Treasure Hunt to Two and Three Digit by One Digit Multiplication
Here is a math lesson which has learners practice multiplying two and three digit numbers by one digit numbers. They discuss multiplication strategies and use those strategies to play a game.
Curated OER
Counting Lesson Plan
In whole group practice, children count together and identify how many objects are drawn on butcher paper, increasing the number when they have achieved fluency. In pairs, they count manipulatives. They then copy series of numbers from...
Curated OER
Quilting Geometry
Study geometry through the concept of quilt design. High schoolers examine the geometric shapes in various quilts and then create their own quilts using geometric shapes that fit together. In the end, they write a paragraph to...
Didax
Multiplication Facts
Learning their multiplication facts is a big step in the education of young mathematicians. Help achieve this goal with the support of this collection of instructional materials.
Curated OER
Parallel and Perpendicular Lines
Young geometers get some solid skills practice in evaluating slopes. Beginning with the basics of slope through two points and progressing through properties of parallel and perpendicular lines, the building of skills is gradual and...
Math Salamanders Ltd.
Multiplication as Repeated Addition to 10x10
The class works to change 15 repeated addition problems into their multiplication counterparts and then completes 15 more where they do the opposite. This is a great way to build an understanding of what multiplication is and could...
Curated OER
Probability
Here is a classic activity used to introduce your class to the concept of probability and data collection. They will roll one die 30 times, then record and discuss the results. Great introduction, but too shallow to be considered a...
Math in English
Grade 5 Fractions Word Problems
Young mathematicians apply their fractions skills in the real world with this simple word problem activity.
K5 Learning
Multiplication Word Problems #4
Multiplication word problems about pizza? Kids will enjoy considering these real-life scenarios as they solve two- and three-digit multiplication problems. They consider how many total fish there are in 261 fishbowls, how many slices of...