Main content

# Unit: Numbers and operations

Not feeling ready for this? Check out Get ready for 8th grade.

#### 0

### Learn

### Practice

- Writing fractions as repeating decimalsGet 5 of 7 questions to level up!
- Converting repeating decimals to fractionsGet 5 of 7 questions to level up!
- Converting multi-digit repeating decimals to fractionsGet 3 of 4 questions to level up!

### Learn

### Practice

- Square rootsGet 5 of 7 questions to level up!
- Cube rootsGet 5 of 7 questions to level up!
- Equations with square roots & cube rootsGet 3 of 4 questions to level up!
- Roots of decimals & fractionsGet 3 of 4 questions to level up!
- Equations with square roots: decimals & fractionsGet 3 of 4 questions to level up!
- Square and cube challengeGet 3 of 4 questions to level up!

Level up on the above skills and collect up to 720 Mastery points

### Learn

### Practice

- Classify numbers: rational & irrationalGet 5 of 7 questions to level up!
- Classify numbersGet 5 of 7 questions to level up!

### Learn

### Practice

- Approximating square rootsGet 3 of 4 questions to level up!
- Comparing irrational numbersGet 5 of 7 questions to level up!
- Comparing irrational numbers with a calculatorGet 5 of 7 questions to level up!

Level up on the above skills and collect up to 400 Mastery points

### Learn

### Practice

- Exponents with integer basesGet 5 of 7 questions to level up!
- Exponents with negative fractional basesGet 3 of 4 questions to level up!
- Signs of expressions challengeGet 3 of 4 questions to level up!

### Learn

### Practice

- Multiply powersGet 3 of 4 questions to level up!
- Powers of powersGet 3 of 4 questions to level up!
- Divide powersGet 3 of 4 questions to level up!
- Powers of products & quotientsGet 3 of 4 questions to level up!

### Learn

### Practice

- Negative exponentsGet 3 of 4 questions to level up!

### Learn

### Practice

- Multiply & divide powers (integer exponents)Get 5 of 7 questions to level up!
- Powers of products & quotients (integer exponents)Get 3 of 4 questions to level up!

Level up on the above skills and collect up to 800 Mastery points

### Learn

### Practice

- Multiplication and division with powers of tenGet 5 of 7 questions to level up!
- Approximating with powers of 10Get 3 of 4 questions to level up!

### Learn

### Practice

- Multiplying & dividing in scientific notationGet 3 of 4 questions to level up!
- Adding & subtracting in scientific notationGet 3 of 4 questions to level up!

### Learn

### Practice

- Scientific notation word problemsGet 3 of 4 questions to level up!

Level up on the above skills and collect up to 480 Mastery points

Up next for you:

Level up on all the skills in this unit and collect up to 3000 Mastery points!