Main content
Unit 2: Arithmetic with rational numbers
1,600 possible mastery points
Mastered
Proficient
Familiar
Attempted
Not started
Quiz
Unit test
About this unit
The most fundamental branch of math is arithmetic operations. It consists of adding, subtracting, multiplying, and dividing numbers. By this point, performing these operations on whole numbers might be a piece of cake, but now we'll mix those numbers up with decimals and fractions. Get ready to slice and dice!
Learn
Practice
- Adding decimals: thousandthsGet 5 of 7 questions to level up!
Learn
Practice
- Subtracting decimals: thousandthsGet 5 of 7 questions to level up!
Learn
Practice
- Divide fractions by whole numbersGet 3 of 4 questions to level up!
- Divide whole numbers by fractionsGet 3 of 4 questions to level up!
Learn
Practice
- Dividing fractionsGet 3 of 4 questions to level up!
- Divide mixed numbersGet 3 of 4 questions to level up!
- Interpret fraction divisionGet 3 of 4 questions to level up!
- Dividing fractions word problemsGet 5 of 7 questions to level up!
Learn
Practice
- Decimal multiplication place valueGet 3 of 4 questions to level up!
- Multiplying decimals like 0.847x3.54 (standard algorithm)Get 3 of 4 questions to level up!
Practice
- Division by 2-digitsGet 3 of 4 questions to level up!
- Multi-digit divisionGet 3 of 4 questions to level up!
Learn
Practice
- Divide whole numbers to get a decimalGet 3 of 4 questions to level up!
- Dividing decimals: hundredthsGet 3 of 4 questions to level up!
- Dividing decimals: thousandthsGet 3 of 4 questions to level up!
Up next for you:
Level up on all the skills in this unit and collect up to 1,600 Mastery points!