Number

Number
Pre-algebra

Topics

• Types of Numbers

• Factors and Multiples, GCF, LCM

• Primes, Composite Numbers and Divisibility

• Order of Operation

• Rational Numbers

• Fractions and Percentages

• Imaginary numbers

• Exponents and Scientific Notation

• Absolute Value

Rational/Irrational

Integers/Whole

Terms to Know

Real/Imaginary

BODMAS / PEMDAS

Relative Primes/Prime Factorization

Even/Odd

Multiples of 2,4,3,5,9,10

Improper Fraction/Mixed Number

Multiple Choice

If 2x + 3 = 8, what is the value of x?

• 1.5

• 2.5

• 4.5

• 6

• 10

Multiple Choice

2. 2. If you add 0.17, 0.23, and 0.34, what is the answer rounded to the nearest tenth?

• 0.740

• 0.74

• 0.7

• 0.8

• 7

Multiple Choice

3. 3. Which of the following is equivalent to 6 million multiplied by 4 billion?

• $$2.4\times10^{16}$$

• $$2.4\times10^{15}$$

• $$2.4\times10^{13}$$

• $$2.4\times10^{12}$$

• $$2.4\times10^9$$

Multiple Choice

4. 4. Kim earned an 85% on a test that had 40 questions. How many questions did he miss?

• 4

• 6

• 8

• 17

• 34

Multiple Choice

5. 5. How many one digit whole number positive factors does 12 have?

• 2

• 3

• 4

• 5

• 6

Multiple Choice

6) $$67.2+54.15+16\frac{2}{5}=???$$

• $$127\frac{3}{4}$$

• $$131\frac{1}{4}$$

• $$135\frac{1}{4}$$

• $$137\frac{3}{4}$$

• $$153\frac{3}{4}$$

Multiple Choice

7) An organic cow produces $$5\frac{1}{2}$$ gallons of milk per day, which equates to approximately 90 glasses of milk. How many cows would be needed to provide at least 1,000 glasses of milk in one day?

• 2

• 11

• 12

• 181

• 182

Multiple Choice

9) At the currency exchange, one U.S. dollar exchanges for 0.76 Euros, and 1 British pound exchanges for 1.15 Euros. If Bill has 300 U.S. dollars and wishes to convert all of them to British pounds, to the nearest whole number, how many British pounds will Bill have?

• 198

• 228

• 262.2

• 343

• 345

Multiple Choice

10) The expression

(Number of Factors for a Given Prime Number)ⁿ

where n ≥ 1 will always be divisible by which of the following numbers?

• 2

• 3

• 4

• 5

• 6

Multiple Choice

11) In the complex numbers, where i² = –1, which of the following is equal to the result of squaring the expression (i + 4)?I

• 4i

• 16i

• 15+8i

• 16+i

• 17-18i