Mathematics Grade 5 15 min

Solve a system of equations using augmented matrices word problems

Solve a system of equations using augmented matrices word problems

What you'll learn

  • Translate real-world scenarios described in word problems into systems of linear equations with at least two variables with 80% accuracy.
  • Represent a system of linear equations as an augmented matrix and use row operations to transform the matrix into reduced row echelon form with 75% accuracy.
  • Solve systems of linear equations, represented by augmented matrices in reduced row echelon form, and interpret the solution in the context of the original word problem with 70% accuracy.
  • Explain the meaning of different solution types (unique solution, no solution, infinitely many solutions) in the context of a word problem, using mathematical justification with 65% accuracy.
  • Solve word problems involving systems of linear equations using augmented matrices, demonstrating a clear and logical solution process and arriving at the correct answer with appropriate units in at least 2 out of 3 problems.

Tutorial Preview

1

Anna and Ben have 8 stickers total. Anna has 2 more than Ben. How many stickers does each have?

2

A box has 9 balls. There are twice as many red balls as blue balls. How many of each color?

3

A farm has 5 animals (pigs and ducks). There are 14 legs in total. How many pigs (4 legs) and ducks (2 legs)?

Sample Practice Questions

Easy
Sam and Lily have 6 apples total. Sam has 2 more than Lily. How many apples does each have?
0.Sam 4, Lily 2
1.Sam 3, Lily 3
2.Sam 5, Lily 1
3.Sam 2, Lily 4
Easy
There are 6 fish in a tank. There are twice as many yellow fish as green fish. How many of each?
0.2 green, 4 yellow
1.3 green, 3 yellow
2.1 green, 5 yellow
3.4 green, 2 yellow
Easy
A store has 4 toys, cars (4 wheels) and bikes (2 wheels). There are 10 wheels total. How many of each?
0.1 car, 3 bikes
1.2 cars, 2 bikes
2.3 cars, 1 bike
3.0 cars, 4 bikes

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Frequently asked questions

What grade level is "Solve a system of equations using augmented matrices word problems"?

Solve a system of equations using augmented matrices word problems is a Grade 5 Mathematics lesson on ExcelOS.

What will I learn in Solve a system of equations using augmented matrices word problems?

You'll be able to: Translate real-world scenarios described in word problems into systems of linear equations with at least two variables with 80% accuracy; Represent a system of linear equations as an augmented matrix and use row operations to….

Is "Solve a system of equations using augmented matrices word problems" free to practice?

Yes. You can read the tutorial preview for free, and signing up for a free ExcelOS account unlocks the full tutorial and all practice questions with instant feedback.

How many practice questions are included with Solve a system of equations using augmented matrices word problems?

This lesson includes 25 practice questions across multiple difficulty levels, each with instant feedback and explanations.

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