Mathematics Grade 4 15 min

Add and subtract mixed numbers with like denominators

Add and subtract mixed numbers with like denominators

What you'll learn

  • Solve quadratic equations in the form of (ax + b)² = c with 100% accuracy by isolating the squared term and applying the square root property, demonstrating procedural fluency.
  • Identify quadratic equations that are suitable for solving using the square root method with 80% accuracy, distinguishing them from equations requiring factoring or the quadratic formula, demonstrating conceptual understanding.
  • Explain the mathematical justification for using the square root property to solve quadratic equations, including the consideration of both positive and negative roots, in a written explanation that demonstrates accurate understanding of the underlying principles.
  • Explain the relationship between the discriminant and the number of real solutions when solving quadratic equations using square roots, providing at least 3 accurate examples.
  • Apply the square root method to solve real-world problems involving quadratic relationships, such as projectile motion or area calculations, with 70% accuracy.

Tutorial Preview

1

Let's add 1 1/5 + 2 3/5.

2

Let's subtract 4 5/8 - 2 1/8.

3

Let's add 2 3/4 + 1 3/4.

Sample Practice Questions

Easy
What is 1 1/3 + 1 1/3?
0.2 2/3
1.2 1/3
2.1 2/3
3.2 2/6
Easy
Solve: 2 2/4 - 1 1/4
0.1 1/4
1.1 3/4
2.3 3/4
3.1
Easy
Calculate 3 2/5 - 1 1/5.
0.2 1/10
1.4 3/5
2.2 1/5
3.2 3/5

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Frequently asked questions

What grade level is "Add and subtract mixed numbers with like denominators"?

Add and subtract mixed numbers with like denominators is a Grade 4 Mathematics lesson on ExcelOS.

What will I learn in Add and subtract mixed numbers with like denominators?

You'll be able to: Solve quadratic equations in the form of (ax + b)² = c with 100% accuracy by isolating the squared term and applying the square root property, demonstrating procedural fluency; Identify quadratic equations that are suitable for….

Is "Add and subtract mixed numbers with like denominators" 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 Add and subtract mixed numbers with like denominators?

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

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