Curated OER
Graphing Linear Equations and Inequalities
Learners discuss methods to solve equations and inequalities with one variable. As a review, they write Addition and Subtraction properties of equality and Multiplication and Division properties of equality. Students graph points, write...
Curated OER
Graphing Absolute value Inequalities
Students investigate the concept of inequalities and practice graphing them at various degrees of difficulty. They review the basic rules with the teacher at the level of theory which may make it harder for them to understand without...
EngageNY
Systems of Equations Leading to Pythagorean Triples
Find Pythagorean Triples like the ancient Babylonians. The resource presents the concept of Pythagorean Triples. It provides the system of equations the Babylonians used to calculate Pythagorean Triples more than 4,000 years ago. Pupils...
Curated OER
Practice: Word Problems
Congratulations, you've just hit the word problem jackpot! Covering an incredible range of topics from integers and fractions, to percents, geometry, and much more, this collection of worksheets will keep young mathematicians busy...
Curated OER
Water in the Texas Coastal Basins
Students, after researching a Texas coastal basin, map and graph the information they collect and then translate it into a short report to be presented to their classmates. They brainstorm unique ways to maintain Texas estuaries as well...
Curated OER
The Babylonian Algorithm, Limits and Rates of Change
In this successive approximations worksheet, students use the Babylonian algorithm to determine the roots of given numbers. They identify the limits of a function, and compute the rate of change in a linear function. This two-page...
Curated OER
Water: On the Surface and in the Ground
Learners explore the differences between surface water and ground water. They collect data using maps and graphs and investigate a Texas river basin and a nearby aquifer. They complete a written report including maps and data regarding...