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Understanding Geometry | MathHelp.com
By MathHelp.com
This lesson covers wind and current problems. Students learn to solve wind and current word problems using a system of linear equations, as demonstrated in the following problem. Into a headwind, the plane flew 2000 miles in 5 hours. With a tailwind, the return trip took 4 hours. Find the speed of the plane in still air and the speed of the wind. The two variables used in this problem are p, the speed of the plane in still air, and w, the speed of the wind. So the speed of the plane with a tailwind can be represented as p + w, and the speed of the plane against a headwind can be represented as p -- w. Note that this problem requires a chart to organize the information. The chart is based on the formula rate times time = distance. The chart is then used to set up the two equations.
The 5 Types of Text Structure
By Flocabulary
How do authors organize the texts they write? This unit teaches five common text structures used in informational and nonfiction text: description, sequence, cause and effect, compare and contrast, and problem and solution
4th Grade Spatial Reasoning with Polygons
By
4th grade math lesson on spatial reasoning with polygons, aligned to MA Curriculum Framework Standard 4.OA.5.
16 - Domain and Range of a Quadratic Function - Part 1 (Graphing Quadratics)
By Math and Science
Quality Math And Science Videos that feature step-by-step example problems!
SAT Math Part 1 - Evaluating Functions and Solving Basic Equations - Algebra
By The Organic Chemistry Tutor
Geometry Introduction - Basic Overview - Review For SAT, ACT, EOC, Midterm Final Exam
By The Organic Chemistry Tutor
Nonfiction Text Structures
By Jen Jonson
This video discusses nonfiction text structures and how they affect nonfiction comprehension of the genre.
Fetzer Reading Info. Paired Text 4th Grade
By MsRoniMacDonald
Refer to details and examples in a text when explaining what the text says explicitly and when drawing inferences from the text