Illustrative Mathematics
Kimi and Jordan
Kimi and Jordan have taken summer jobs to supplement their weekly allowances. Kimi earns more per hour than Jordan, but Jordan's weekly allowance is greater. This activity asks students to determine how the incomes of the two workers...
Curated OER
Foxes and Rabbits 3
Use realistic data to find trigonometric models that best fit the populations of foxes and rabbits in a national park. Included are detailed explanations of the answers and process. This is a follow-up exercise to the lesson listed in...
Curated OER
Rounding and Subtracting
Common Core is all about getting your learners to open their minds and think about the why and how. This problem has them thinking about unknown numbers and their relationship with one another when we round and...
Curated OER
Academic Grade 9 Assessment of Mathematics: Algebra I and Geometry
Test your class, or use this 12 page math packet as chapter review. They solve 21 multiple choice problems which require them to graph linear equations, find the volume of prisms and cones, find unknown angles, and determine...
Curated OER
Halves and Fourths
Young mathematicians may not love fractions, but do they love sandwiches? How about cake? Use this visual fractions activity to represent fractions in a relatable way. Scholars start by coloring segmented shapes to indicate halves and...
Curated OER
More and Less Handfuls
Working as a pair, two kindergartners will sit at a table and will pick two handfuls of counters. They will combine their individual handfuls into one, and count their own selection. They will then draw and record their count on a record...
Curated OER
Measurement: 2D and 3D
Young scholars solve volume problems. In this geometry instructional activity, the class watches a video about clean water (link provided) and individuals compare the volume of different prisms, including an actual drinking glass....
Curated OER
Tell Us All: Tools for Integrating Math and Engineering
What a scam! Middle and high schoolers pose as journalists exposing consumer fraud. For this lesson, they write an article for a magazine using data collected during previous investigations (prior lessons) to defend their findings that a...
Curated OER
Construct, Bisect, Duplicate: Geometry Practice with Compass and Straight Edge
Geometers employ a straight edge and compass to duplicate and bisect segments and angles, construct perpendiculars, parallel lines, figures, and circles with points of concurrency. Ample practice with 65 questions across 8 worksheets. No...
Curated OER
Area, Perimeter and Rations Using Pentominoes
Learners of all ages investigate area and perimeter through pentominoes. In this geometry lesson, young scholars calculate the are and perimeter of different geometric shapes and describe the properties of similar and congruent shapes....
Curated OER
Add and Subtract to Get Four
Explore the many paths to get to four in this addition and subtraction worksheet! Learners walk through the steps of the options: adding two numbers, adding three numbers, and subtracting two numbers. They examine which...
Curated OER
Rain and Lightning
What are the chances that there will be rain and lighting today? Use this activity to study independent and dependent probabilities with your class. Learners explore the differences between P(A and B) and P(A or B) using mock...
Charleston School District
Solving for a Missing Dimension
If a can has a volume of twelve ounces, how tall it should be? If you can work with volume formulas, it's is an easy measurement to find. After finding the volume of figures in the previous lesson of the series, learners now...
CK-12 Foundation
Reference Angles and Angles in the Unit Circle: Exploring Reference Angles
A steal of a deal — get four angles for the value of one. An interactive resource allows individuals to visualize all four angles that have the same reference angle. Pupils answer questions by using the interactive to create the...
CK-12 Foundation
Translation of Vectors and Slope: Rearranging a Classroom
Find out if vectors are equal in the classroom. Pupils use the interactive to create vectors showing the movements boys perform in rearranging classroom furniture. The scholars determine which boy moved furniture the farthest, or if they...
Curated OER
Plasma Clouds in Space and Density
Use this plasma clouds worksheet to have learners find the density of 10 different plasma clouds using a given formula which uses the reflection frequency to determine the density.
Curated OER
Comparing Fractions with Objects and Pictures
Scholars will compare fractions using objects and pictures. They view pre-made pictures and concrete objects of fractions. Then use small white boards to draw pictorial representations of fractions.
CK-12 Foundation
Adding and Subtracting Matrices: The Matrix Calculator
Discover the procedure to add and subtract matrices. Pupils use the interactive and discover the pattern in adding and subtracting matrices. Scholars adjust the entries in the addends and see the resulting changes in the sum. They also...
CPM
Tables, Equations, and Graphs
Eighth and ninth graders solve and graph 24 different problems that include completing input/output tables and graphing the pairs. First, they find the missing values for each table and write the rule for x. Then, students write the...
Curated OER
Ratios and Proportions
This study guide would be great to use when presenting a lesson on ratios and proportions. It includes clear definitions, explanations, and examples to work through as a class or individually. In addition, it has notes on rates and...
Curated OER
Minutes and Days
Elapsed time is a skill developed by the single question that is the center of this activity. Fifth graders are asked to find out the time that is 2011 minutes after the beginning of 2011. This question addresses the standard that...
Perkins School for the Blind
Volume, Mass, and Density Boxes
Mass and density are difficult topics for kids to understand, and even more difficult when you have visual impairments or blindness. Learners will make boxes and fill them with cotton, sand, or crushed paper. They will feel the density...
Bright Hub Education
Math Lesson for Visually Impaired Early Learners: A 3 Way Counting Activity
A unique lesson that's designed for visually impaired early learners, but can be adapted for anyone, is here for you. Pupils use brightly colored foam letters, beads, checkers, and an abacus, in order to gain practice in identifying the...
Curated OER
Kids/Blocks/Learning
Help develop graphing skills in your young learners.. They create a picture graph, represent 1:1 correspondence, represent same and different, and draw conclusions. They write an experience story about the conclusions drawn from the...