Curated OER
pH Curves and Indicators
Glimpse how pH changes during an acid-base titration by examining graphs. It contains not only graphs of pH changes, but also a chart summarizing what indicator to choose for different changes. This is not truly a worksheet, but an...
PBS
Working With Equivalent Fractions, Decimals and Percentages: Activities and Supplemental Materials
Reinforce math concepts using six worksheets that coincide with Virtual Math Girl's video instruction. The practice pages' objectives include writing equivalent fractions, decimal equivalents, and converting percents to decimals and...
Curated OER
Titration
In this titration worksheet, students calculate the pH of a solution at different points during a chemical reaction. Students write a balanced net ionic equation for the major equilibrium reaction. This worksheet has 3 problems to solve.
Curated OER
Equivalent Algebraic Equations
Ninth graders explore linear equations. In this Algebra I lesson, 9th graders investigate how different equivalent equations can be used to describe any given line. Students explore how to change equations to equivalents equations by...
Curated OER
Thermometric Titration Involving Dataloggers
For this thermometric titration worksheet, students determine the concentrations of hydrochloric acid and ethanoic acid using a titration where they measure the temperature of the solution as they titrate. The equivalence point is found...
Curated OER
Getting The Point
Students complete a unit of lessons on the relationships between decimals, whole numbers, and fractions. They use paper strips to solve fraction problems, view and solve examples, and use calculators to convert fractions into decimal...
Curated OER
pH and Titration
In this pH learning exercise, students review the titration procedure and the significance of the stoichiometric point. This learning exercise has 2 problems to solve.
Illustrative Mathematics
Temperature in Degrees Fahrenheit and Celsius
Scholars develop the conversion formulas between Fahrenheit and Celsius with a task that presents the class with two known temperature equivalents between the two scales. Pupils use those two points to develop the linear conversion...
Curated OER
Condensation Polymerization: Preparation of Nylon 6/6
Students participate in a lab activity in which they synthesize nylon 6/6, calculate the percent yield by mass, identify the polymer as thermoplastic or thermoset, and determine the melting point, density and end-product use of the polymer.
Noyce Foundation
Cereal
Find the best protein-packed cereal. The short assessment task covers equivalent and comparing ratios within a context. Pupils determine the cereal with the highest ratio of protein. A rubric helps teachers with point allotments for...
Curated OER
Common Ion Effect
In this ion effect learning exercise, students use the Henderson-Hasselbalch equation to calculate the pH of a reaction during the different steps. This learning exercise has 7 problems to solve.
CK-12 Foundation
Trigonometric Functions and Angles of Rotation: The Triangle in the Circle
Go around the unit circle and create triangles. Pupils move a point around the unit circles to visualize the triangle associated with the angle in standard position. The three main trigonometric functions are defined in terms of the legs...
Curated OER
Titration Curves
In this titration learning exercise, students determine the pH of solutions before, during, and after titration. This learning exercise has 4 problems to solve.
Noyce Foundation
Percent Cards
Explore different representations of numbers. Scholars convert between fractions, decimals, and percents, and then use these conversions to plot the values on a horizontal number line.
Curated OER
The Kelvin Scale
In this Kelvin scale worksheet, high schoolers read about the relationship between the Celsius scale and the Kelvin scale. They are given the equations to convert from one scale to the other. They find the equivalents for temperatures...
Curated OER
A Study of Erosion on the Weller School Playground
Students study an erosion problem which existed on the school playground from as many points of view as possible. The ultimate aim is to suggest and encourage implementation of a plan to prevent further damage to the playground.
Curated OER
Integers
Using a simple technique, learners practice identifying integers on a number line. As numbers, both positive and negative, are pointed to, they name them. This could be part of anticipatory set before a lesson plan on integers.
Noyce Foundation
Photographs
Scaling needs to be picture perfect. Pupils use proportional reasoning to find the missing dimension of a photo. Class members determine the sizes of paper needed for two configurations of pictures in the short assessment task.
Noyce Foundation
Lawn Mowing
This is how long we mow the lawn together. The assessment requires the class to work with combining ratios and proportional reasoning. Pupils determine the unit rate of mowers and calculate the time required to mow a lawn if they work...
Curated OER
Jeopardy: American History Style - June 19, 2007 4th Period
Eighth graders apply their knowledge of the past week's lessons to the game, Jeopardy: American History Style. They think of a team name, and review the categories to determine their strongest area. Students are told the game rules. ...
Curated OER
MT-A141 PreCalculus: Worksheet 6.1
For this precalculus worksheet, students complete a table of common angle equivalences and compare them to radians. Using their calculator they examine the difference between angles in degrees and the answer in radians. Students...
Curated OER
Potter and US English
Students examine the difference between US English and UK English by using Harry Potter as an example. Students analyze the two dialects by trying to think of word equivalents on an included worksheet.
Curated OER
Extra Problems For Homework 7: Dimension
In this dimension worksheet, students explore manifolds of dimension and find equivalence relations. This one-page worksheet contains three multi-step problems.
Curated OER
Get In Line!
Students compare and order fractions and decimals using a number line. They use rules of conversion to determine equivalencies competing problems accurately and plot points on the number line that represent the correct order of the...