Curated OER
What's Another Way of Solving a System of Equations Using the Elimination by Multiplication Method?
Another look at solving systems of equations by using the elimination method. In this process, the instructor first uses the distributive property to multiply one of the equations to set it up for the elimination step. Yes, there are...
Curated OER
How Do You Solve a Word Problem Using the Elimination by Subtraction Method?
Use word problems to teach systems of equations! The instructor in this video demonstrates how to solve a word problem using a system of equations and the elimination by subtraction method. She goes through each step, carefully...
FuseSchool
Simultaneous Equations by Elimination
Take a methodical approach—solve systems one at a time. Young mathematicians learn to solve simultaneous equations (system of equations) algebraically. The preferred method here is elimination.
Curated OER
How Do You Solve a Word Problem Using the Elimination by Subtraction Method?
Use word problems to teach systems of equations! The instructor in this video demonstrates how to solve a word problem using a system of equations and the elimination by subtraction method. She goes through each step, carefully...
Khan Academy
SAT Prep: Test 1 Section 6 Part 2
Using the process of elimination, Sal takes students through helpful ways to solve multiple choice questions on the SAT quickly and correctly. Problems 5-6 involve probability and proportions.
Khan Academy
SAT Prep: Test 6 Section 7 Part 3
Sal finishes problem 10 in this video, as well as problems 11-13 on page 735. Students can practice skills such as linear functions, slopes, and calculating permutations. Problem 12 allows viewers to see the process of elimination in...
Khan Academy
MTEL Math Practice Test: 28-30
Problems 20-30 of the MTEL Practice Math Test involve skills such as measuring rates and graphing equations. Sal helps viewers with the process of elimination in multiple-choice tests and explains how to solve various types of...
Khan Academy
MTEL Math Practice Test: 24-27
In this video, Sal guides viewers through questions 24-27 of the MTEL Practice Math Test, showing them how to read the problems carefully and solve the equations correctly. He uses the process of elimination in a few questions, modeling...
Curated OER
How Do You Use a System of Linear Equations to Find Coordinates on a Map?
It seems like a pretty complicated word problem in which Batman is trying to locate the Riddler. The instructor does a good job of setting up the two equations that will help Batman locate the Riddler. Two equations? Yes, a system, and...
Krista King Math
Fractional Equations
Teach the least common multiple approach to converting fractions to integers within an equation with a video tutorial that explains how to find the LCM of the denominators in the equation. The instructor then uses the LCM and the...
Krista King Math
Reducing Fractions and Cancellation
Discover the importance of prime factorization when working with fractions. Learners see how finding the prime factors aids in the process of simplifying and multiplying fractions. The instructor demonstrates the process of multiplying...
TED-Ed
Can You Solve the River Crossing Riddle?
Getting three wildebeest across a river should be no problem— but what happens when you add three lions to the mix? Watch a video that features a classic river-crossing puzzle with a crocodile twist. Viewers listen as the narrator...
Curated OER
How Do You Solve Two Equations with Two Variables?
Two equations, two unknown variables. Use the substitution method to solve for one of the variables. Then plug that value into one of the equations to solve for the other variable. Finally plug both values into one of the original...