Review of Prealgebra

(3 - 1)×(2 + 12/2) = ?

Which property of addition is used in the following equation:

(67 + 11 + 23) + (48 + 16) = (67 + 23 + 11) + (48 + 16)

Which property of multiplication is used in the following equation:

(11 + 3)×5 = (11×5) + (3×5)

Which property is used in the following equation:

11×1 + 15×(5 + 6) = 11 + 15×(5 + 6)

76 + ? - (7×4×0) - 12 = 76

Which of the following numerals represents the following: 6 ten millions, 2 millions, 5 hundred thousands, 7 thousands, 3 hundreds.

159,024 is divisible by which of the following?

82,709 is divisible by which of the following?

Which of the following numbers is prime?

What is the prime factorization of 1,100?

What are the greatest common factor and least common multiple of 82 and 123?

Which is greatest?

Round 72,091 to the nearest hundred.

3.02 + 5.011 = ?

1.1×0.11 = ?

Convert 11 3/8 into an improper fraction.

Reduce 64/12 to lowest terms.

What is the least common denominator of 45 and 30?

4/15 + 7/12 = ?

What is 5/6 of 8/15?

(21/4)/(3/22) = ?

Express 0.175 as a fraction in lowest terms.

Express 56.4% as a decimal.

Express 7/8 as a percent.

Express 649/1,000 as a percent.

What is 5% of 125?

Which of the following number lines is correctly labeled?

Number Lines

On the following number line, which pair of points corresponds to numbers that are opposites?

Number Line

-7 fits into all the following categories EXCEPT

All the following are whole numbers EXCEPT

99 - (- 13) = ?

-11×(- 3) - (12/(- 4)) = ?

| 3 - 6| - | - 3×4| = ?

3⁴ = ?

(- 4/3)² = ?

(5/3)^-3 = ?

64^2/3 = ?

Simplify .

(A) 12×

(B) 6×

(C) 3×

(D) 144×

(7 - 3)² = ?

What is 83,500 in scientific notation?

How many significant digits does 520.03 have?

How many inches are in 17.9 feet?

What is the perimeter of a rectangle with height 6 and width 7?

What is the area of a square with side length 0.5?

What is the area of a circle with diameter 7?

If h represents the number of hours Bonnie spends reading, which expression represents twice the number of hours she spends reading, plus 11 more hours?

What is 5t - 11 if t = 6 ?

What is (8 + h)/4 if h = 20 ?

Solve for d : 3 + 4d = 19

Solve for s : 3×(17 - s) = 18