Mathematics
Grade 5
15 min
Combinations
Combinations
What you'll learn
- Simplify expressions involving division with rational exponents by applying the quotient rule of exponents with at least 80% accuracy on a formative assessment.
- Solve equations containing rational exponents using inverse operations, verifying solutions for extraneous roots, with at least 75% accuracy on a summative quiz.
- Explain the relationship between rational exponents and radicals, justifying the equivalence of expressions using mathematical reasoning in a short written response evaluated using a rubric.
- Identify and correct errors in simplified expressions involving division of terms with rational exponents, demonstrating understanding of exponent rules and order of operations in a peer-review activity.
Tutorial Preview
1
Mia has 3 shirts and 2 pairs of shorts. How many outfits can she make?
2
A cafe has 2 sandwiches, 3 sides, and 2 drinks. How many lunch combos?
3
A lock has 4 letters and 3 numbers. How many two-part codes are possible?
Sample Practice Questions
Easy
You have 2 hats and 4 scarves. How many combinations can you make?
0.6
1.8
2.10
3.12
Easy
An ice cream shop has 3 cone types and 3 ice cream flavors. How many single-scoop combinations?
0.6
1.9
2.12
3.15
Easy
A password has one letter (A, B) and one number (1, 2, 3). How many codes are possible?
0.5
1.6
2.8
3.9
Want to practice and check your answers?
Sign up to access all questions with instant feedback, explanations, and progress tracking.
Start Practicing FreeMore from Additional Topics
Mathematics for other grades
Frequently asked questions
What grade level is "Combinations"?
Combinations is a Grade 5 Mathematics lesson on ExcelOS.
What will I learn in Combinations?
You'll be able to: Simplify expressions involving division with rational exponents by applying the quotient rule of exponents with at least 80% accuracy on a formative assessment; Solve equations containing rational exponents using inverse….
Is "Combinations" 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 Combinations?
This lesson includes 25 practice questions across multiple difficulty levels, each with instant feedback and explanations.