Illustrative Mathematics
Watch Out for Parentheses 1
Parentheses are an important tool in the algebraic toolbox in regard to the structure of the algebraic equation. They are the beginning of the standard order of operations rule, the P in PEMDAS. The central question...
Curated OER
Basketball
Tap into the competitive nature of teenagers as your class practices setting up and solving rational equations. This activity starts with a specific ratio of games won to games played, then asks how many more games must be played to...
Curated OER
Data Representation
Students solve real life scenarios using math. For this geometry lesson, students collect, predict and interpret data. They measure a chair using different measurements and choose what would make the chair the best design.
Curated OER
Probability Experiment
Students do an experiment with probability. In this probability instructional activity, they listen to part of the book G is for Googol: A Math Alphabet Book by David M. Schwartz. They complete 3 probability experiments and check to...
Curated OER
Chart Your Course
Students explore change represented in graphs comparing distance and time. They exchange and share their graphs. Students interpret and create distance versus time line-graphs, and write stories based on these graphs. They interpret a...
Curated OER
Logic and Proof Writing
Students define inductive and deductive reasoning and write two column proofs. In this geometry lesson plan, students analyze arguments and draw conclusion. They define steps necessary to arrive at the correct answer when completing proofs.
Curated OER
Valentine's Day Ordering and Comparing
After a lesson on tables and charts, students can practice their data-reading skills by comparing how many Valentine's cards Heather received and gave out over the last few years. Additionally, students can practice their "greater than"...
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Decimals and Percents
In this decimals and percents worksheet, 8th graders solve 26 different types of problems that include expressing numbers as a decimal and a percent. Then they change each number to fractions and determine the unknown number for each...
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Farmers' market, Chickens, Geese
In this algebra worksheet, students rewrite a word problem using algebraic expressions to calculate the cost of the chicken and the goose. There is an answer key.
Curated OER
Consecutive Numbers
Like all of the Problem Solving units, this one aims to introduce pupils to the underlying ideas of mathematics through a problem. The problem here requires a knowledge of arithmetic and the use of some algebra. In this unit we see how a...
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Probability
Students discuss probability and how it is a part of their daily lives. They work with a partner and perform various probability experiments and complete a project in which they discover different properties of probability.
Curated OER
Wind-Up Car
Students produce an equation from a graph, based on an engineering-context story provided. In this production of equations lesson, students write an equation given the graph and description. Students also describe what the y-intercept...
Curated OER
Time from Analog and Digital Clocks
Put time into context by relating it to familiar meal times. Scholars examine two analog clocks and one digital clock to determine the times displayed. Each is labeled with a meal time for the hypothetical "Robert." They use their...
Curated OER
An Odd or Even Number of Members
Even or odd? Here are some basic number attribute questions focused on this concept. Learners label numbers as even or odd in three different contexts. There are seven numbers total, both single and double-digit. Challenge scholars to...
Illustrative Mathematics
Delivery Trucks
Algebra learners are to make sense of two different-sized sand trucks and the number of trips each truck makes. The resource lists four different expressions based on the size of each truck and the number of deliveries the trucks make....
EngageNY
Bacteria and Exponential Growth
It's scary how fast bacteria can grow — exponentially. Class members solve exponential equations, including those modeling bacteria and population growth. Lesson emphasizes numerical approaches rather than graphical or algebraic.
EngageNY
Analyzing a Graph
Collaborative groups utilize their knowledge of parent functions and transformations to determine the equations associated with graphs. The graph is then related to the scenario it represents.
Bowland
Mobile Phones
Cheaper cell phone bills? Learners compare two different cell phone plans for a specified number of minutes of phone usage each day. They also determine the conditions for which one plan is cheaper than the other.
Illustrative Mathematics
Distance across the channel
Here you will find a model of a linear relationship between two quantities, the water depth of a channel and the distance across the channel at water level. The cross section of the channel is the shape of an isosceles trapezoid. The...
Statistics Education Web
Types of Average Sampling: "Household Words" to Dwell On
Show your classes how different means can represent the same data. Individuals collect household size data and calculate the mean. Pupils learn how handling of the data influences the value of the mean.
Fluence Learning
Divide Shapes
Let's partition rectangles into equal parts. Assess learners on their ability to divide shapes into equal parts, and their ability to explain their thinking.
Illustrative Mathematics
Running to School, Variation 2
Rose's commute to school is a fractional distance. After she runs part of the way, your class needs to determine what fractional distance she ran. This problem explores fraction operations through modeling and computation. The...
Beyond Benign
Got Gas
How much gas does it take to drive around town? The class uses a variety of mathematical procedures to take a look at the use of gas for transportation. Class members use a different unit to determine the cost of driving a car as opposed...
Illustrative Mathematics
The Escalator, Assessment Variation
A great way to practice with unit rates, the activity gives your mathematicians an opportunity to compare different statements and select which are true. They can practice with "choose all that apply" by setting each statement into its...