Mathematics Grade 5 15 min

Add and subtract mixed numbers with unlike denominators

Add and subtract mixed numbers with unlike denominators

What you'll learn

  • Identify the relevant cells in a two-way frequency table representing the condition and the event of interest with 80% accuracy.
  • Calculate conditional probabilities from two-way frequency tables by correctly applying the formula P(A|B) = P(A and B) / P(B) in at least 4 out of 5 problems.
  • Explain the meaning of a calculated conditional probability in the context of the given two-way frequency table, including a clear statement of the condition and the event, in at least 3 out of 4 scenarios.
  • Solve real-world problems involving conditional probability by constructing and interpreting two-way frequency tables, achieving a score of 70% or higher on a related assessment.

Tutorial Preview

1

Let's add: 1 1/4 + 2 1/2

2

Let's subtract: 3 2/3 - 1 1/6

3

Let's subtract with regrouping: 4 1/4 - 1 3/4

Sample Practice Questions

Easy
What is 1 1/2 + 1 1/4?
0.2 1/4
1.2 3/4
2.2 1/2
3.3
Easy
Solve: 2 1/3 + 1 1/6
0.3 1/3
1.3 1/2
2.3 2/9
3.4
Easy
Calculate: 3 3/4 - 1 1/2
0.2 1/4
1.2 2/2
2.1 1/4
3.1 3/4

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Frequently asked questions

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

Add and subtract mixed numbers with unlike denominators is a Grade 5 Mathematics lesson on ExcelOS.

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

You'll be able to: Identify the relevant cells in a two-way frequency table representing the condition and the event of interest with 80% accuracy; Calculate conditional probabilities from two-way frequency tables by correctly applying the formula….

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

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

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