Khan Academy
Khan Academy: Estimating Equations of Lines of Best Fit and Making Predictions
Practice estimating the equation of a line of best fit through data points in a scatter plot. Then use the equation to make a prediction. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a...
University of South Florida
Florida Center for Instructional Tech: Famous People
Students estimate the ages of famous people, then create a scatterplot with the actual ages. This activity allows them to estimate with linear equations. You can access the age data through the "activity" link.
Dartmouth College
Dartmouth College: Chem Lab: Natural Salt Solutions 1: Ion Exchange
In this experiment, you will concentrate on understanding the chemistry of ion exchange and estimate the capacity of an ion exchange column from your observations.
ClassFlow
Class Flow: Solving Systems by Graphing
[Free Registration/Login Required] Students will learn how to estimate what the solution to a system of linear equation is by graphing.
Illustrative Mathematics
Illustrative Mathematics: F Le Carbon 14 Dating in Practice Ii
This problem introduces Carbon 14 dating which is used by scientists to date certain organic material. This version is based on the ratio of Carbon 14 to Carbon 12, which decreases at a constant exponential rate after an organism dies....
Math Is Fun
Math Is Fun: Approximate Solutions
Sometimes it is difficult to solve an equation exactly. But an approximate answer may be good enough!
Texas Instruments
Texas Instruments: Spring Thing: Newton's Second Law
In this activity, students' use a force sensor and a motion detector to collect force and acceleration data for an object moving up and down hanging from a spring. They use the data to test Newton's second law, and to estimate the mass...
Better Lesson
Better Lesson: Counting Clams a Tidal Flat Adventure
Mathematics has an important role in the real world outside of school. In this lesson, students will learn how scientists use multiplication to estimate animal populations. Included in the lesson are a detailed plan, background knowledge...
CK-12 Foundation
Ck 12: Algebra: Graphs of Rational Functions
[Free Registration/Login may be required to access all resource tools.] Graph and compare inverse variation equations and rational functions.
PBS
Pbs: Candy Volume
Estimate the volume you get when you fill 3D shapes with candy. This video focuses on estimating volume using nonstandard units, using the volume equation to get a more reliable estimate and checking your estimate by counting the...
Climate Literacy
Clean: A Fossil Thermometer
For this activity, students calculate temperatures during a time in the geologic record when rapid warming occurred using a well known method called 'leaf-margin analysis.' Students determine the percentage of the species that have...
Illustrative Mathematics
Illustrative Mathematics: F Le a Saturating Exponential
For this problem, students use an exponential equation to investigate the warming up of a cold beverage on a summer day and analyze a graph to estimate temperatures. Aligns with F-LE.B.5 and F-BF.B.
Khan Academy
Khan Academy: Add and Subtract Fractions: Word Problems
In this exercise, students practice adding and subtracting fractions with unlike denominators word problems. Students receive immediate feedback and have the opportunity to get hints and try questions repeatedly.
Khan Academy
Khan Academy: Add and Subtract Fractions Word Problems
Practice solving fraction addition and subtraction word problems. The fractions in these problems have unlike denominators. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or...
Louisiana Department of Education
Louisiana Doe: Louisiana Believes: Eureka Math Parent Guide: Problem Solving With the Coordinate Plane
A guide to support parents as they work with their students in problem solving with the coordinate plane.