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Lesson 127 of Doodles Do Algebra

Today DoodlePig takes your child through the problem of the two messengers running at each other and answers the age-old question of, “When will they meet?” The work your child does today is first following through the explanation and logic of the problem, and next finishing the problem by solving for x, or the distance […]

Lesson 126 of Doodles Do Algebra

Today we teach your child about the concept of a negative solution to a problem. What does it mean for a number to be negative in real-life situations? As DoodleCat explains on the worksheet, if you find the solution to an unknown is a negative number, say -5, that means you have a deficit of […]

Lesson 124 of Doodles Do Algebra

Today’s exercise is to learn to recognize and translate a word problem into 3 independent equations with 3 unknowns, or 4 equations and 3 unknowns. As a bonus, and for practice your child gets to pick one of the two problems and solve it all the way after writing down the equations. Answers: 1. First […]

Lesson 123 of Doodles Do Algebra

Today your child learns how to expand the solving of 2 unknowns using the various elimination techniques he learned last week. Today we do 3 unknowns and 3 equations. It is essentially the same process as he learned last week. The only difference is that today he has to keep track of which equations he […]

Lesson 122 – Doodles Do Algebra

Today your child practices solving another one of those “mental math” problems that he worked on at the beginning of the course only this time he can use the techniques for solving two independent equations that have 2 unknowns. DoodlePig helps your child set up the problem, and it is kind of an easy one, […]

Lesson 121 – Doodles Do Algebra

Today your child learns the final method of solving for two variables when given two independent equations. This is called Elimination by Addition and Subtraction. The basic idea is to set up the equations so that you can either add or subtract them from (or to) each other and eliminate one of the variables. DoodlePoodle […]

Lesson 120 – Doodles Do Algebra

Today your child learns the second way to solve for 2 unknowns in 2 independent equations. This is called Elimination by Comparison and basically what you do is manipulate each equation until you have one variable equaling a bunch of stuff that includes the second variable for both equations. Then you set the “bunch of […]

Lesson 117 – Doodles Do Algebra

Today is the last day of lessons on the topic of solving simple first degree equations. In the next lessons we will move onto the various methods of solving two unknowns, instead of just one. But for today, your child needs positive feedback and encouragement. He needs to know that he has learned a tremendous […]

Lesson 116 – Doodles Do Algebra

Today’s lesson is yet more practice solving first degree equations and we add known quantities (like a, b, and c) into the mix along with the unknown and numbers. Every day we just add a bit more complexity to algebra and before you know it, your child will have learned the subject completely and without […]

Lesson 115 – Doodles Do Algebra

Today is more practice solving simple equations, just like yesterday’s lesson. Your child gets to work through problems that require all three of the steps in solving simple equations. We increase complexity of the problems as we go and look at what happens when one term in the equation is not a fraction, but the […]