Interactive
CK-12 Foundation

Factorization of Quadratic Expressions: Boxes for Factoring

For Students 9th - 11th Standards
Create rectangles from the terms of a trinomial. The interactive provides virtual algebra tiles for participants to use to create quadratic trinomials. Pupils use the tiles and arrange them into a rectangle to find the factors of the...
Interactive
CK-12 Foundation

Function Rules for Input-Output Tables: Whats My Rule?

For Students 6th - 9th Standards
What's the rule that makes it true?  A virtual function machine generates output values as learners submit the input values. Their job is to analyze the inputs and outputs for a pattern and write a function rule.
Interactive
CK-12 Foundation

Data Summary and Presentation: Chart for Grouping Data

For Students 7th - 12th Standards
Get social! Create a display of social media use for a class. Pupils use provided information about the time spent on social media to construct a histogram. Using the histogram, learners interpret the data to answer questions.
Lesson Plan
Illustrative Mathematics

Lines of Symmetry for Quadrilaterals

For Teachers 3rd - 5th Standards
Explore how lines of symmetry help define different categories of quadrilaterals. Looking at a square, rectangle, trapezoid, and parallelogram, young mathematicians discover that each shape has its own, unique symmetry. Encourage your...
Worksheet
Math Worksheets 4 Kids

Percent, Fraction, and Decimal

For Students 6th - 8th Standards
This is a great tool for practicing/reinforcing conversion of percents, fractions, and decimals.
Worksheet
New York Science Teacher

Planet Scaling using Extra Terrestrial Tools

For Students 7th - 10th Standards
Your class will use a set scale to convert diameters of planets to the model size, the diagram given to expand on the number of planets drawn as concentric circles, and examine the scale that would be needed to fit the larger...
Interactive
CK-12 Foundation

Add and Subtract Decimals with Front-End Estimation: Wooden Beams

For Students 6th - 8th Standards
A six-question interactive tasks mathematicians to solve addition and subtraction problems using front-end estimation. Question types consist of multiple-choice and true or false. A set of wooden beams that can be measured using moveable...
Lesson Plan
Mathematics Assessment Project

Modeling: Making Matchsticks

For Teachers 8th Standards
Math: The only subject where the solution to a problem is seven million matches. Young scholars first complete an assessment task estimating the number of matches they can make from a tree of given dimensions. They then evaluate provided...
Interactive
CK-12 Foundation

Decimals as Fractions

For Students 6th Standards
Converting decimals to fractions is the focus of a five-question interactive. A color-coded tool assists mathematicians in discovering solutions. Multiple-choice questions make up the majority of the problems and a discussion question...
Interactive
CK-12 Foundation

Prices Involving Discounts: Save Money with Coupons!

For Students 6th - 8th Standards
Nine questions make up an interactive that challenges scholars to identify new prices after discounts. Question types include fill in the blank and multiple choice. A fully-functional tool assists participants in solving word problems....
Interactive
CK-12 Foundation

Repeating Decimals: Does 1 equal 0.999... ?

For Students 6th - 8th Standards
Six questions make up a challenging interactive that tests scholars' knowledge of repeating decimals. Mathematicians answer true or false and multiple-choice questions with help from a tool that highlights decimal movement in an...
Printables
Houghton Mifflin Harcourt

Answering Sheet 1-50

For Teachers 5th - 8th
Much like a Scantron form, use this printable for your next multiple choice assessment. The form is designed for a 50-question assessment, with each question having four possible answer choices: A-D or F-J.
Interactive
CK-12 Foundation

Visual Patterns: Building the Queen's Tower

For Students 6th - 8th
A resource fit for a queen. Scholars recognize and continue a pattern in towers people are building for a queen. They write and use an algebraic expression for the number of tiles in the towers.
Worksheet
Mathed Up!

Reverse Percentages

For Students 5th - 8th Standards
Boost math skills and inspire scholars to show what they know with a six-page independent practice that focuses on proportional relationships and percents. 
Interactive
CK-12 Foundation

Sums of Mixed Numbers: Split the Addition

For Students 5th - 8th Standards
Five questions challenge scholars to add mixed numbers. A tool creates a visual model that separates whole numbers from fractions parts. Problem types include fill in the blank, true or false, and discussion.  
Interactive
CK-12 Foundation

Decimal Addition: Adding Little Pieces

For Students 4th - 6th Standards
A five-question interactive test scholars' knowledge of adding and subtracting decimals. A tool aids in problem-solving with movable parts that reveal addends and sums. Question types include one discussion, fill and in the blank, and...
Interactive
CK-12 Foundation

Linear and Non-Linear Function Distinction: Domain and Range of a Function

For Students 8th Standards
Functions are special types of relations, but what makes them so special? Pupils use an interactive to slide a vertical line across six different graphs. Ten challenge questions then assess understanding of functions.
Interactive
CK-12 Foundation

Whole Number Division: Pancakes

For Students 6th Standards
Given 13 pancakes and five plates, learners are asked to distribute the pancakes evenly among the plates. Is it possible? Will there be any remainders? These are the questions pupils are asked to answer after manipulating an...
Interactive
CK-12 Foundation

Whole Number Multiplication: Multiplication Map

For Students 4th - 6th Standards
How many miles did a car travel if it traveled at 55mph for three hours? What are the factors for this multiplication sentence? These are the questions young mathematicians must solve using a multiplication map.
Interactive
CK-12 Foundation

Problem Solving Plan, Mental Math: The Perfect Lemonade 2

For Students 7th - 10th
Drink in this resource. Young problem solvers investigate a different way of looking at the problem of filling four liters of water from a three-liter cylinder and a five-liter cylinder. Isometric grids help with this understanding.
Interactive
CK-12 Foundation

Percents as Fractions: A Fraction of a Percent

For Students 6th - 8th Standards
Five questions make up an interactive all about percents and fractions. Mathematicians answer multiple-choice and fill in the blank problems with help from a tool that converts percents to fractions using a sliding bar. An open...
Interactive
CK-12 Foundation

Expression Evaluation with Different Denominators: Adding Mixed Fractions of Water

For Students 6th - 8th Standards
An interactive challenges mathematicians to add mixed fractions with unlike denominators. Five questions—fill-in-the-blank and multiple-choice—build from one to the next leading the way to an open discussion about denominators and...
Interactive
CK-12 Foundation

Area and Volume of Similar Solids: Similar Solids

For Students 6th - 12th Standards
Five questions make up an interactive designed to boosts knowledge of area and volume of solid figures. Question types include multiple-choice, true or false, and fill-in-the-blank. A scale model changes measurement to provide a visual...
Interactive
CK-12 Foundation

Rotations in Radians: Clock Conundrum

For Students 10th - 12th Standards
Pupils use an interactive clock to set specific times. They apply math to an everyday task as they determine the measure of the angle formed by the hands in degrees and in radians.