OST Practice Test 2022

Front

What unit of measurement is used to label angles?

Back

degrees

Front

If a hot dog costs $4 and Dorothy pays $14 for 2 hot dogs and 3 lemonades, how much does each lemonade cost?

Back

$2

Front

If Tony's book has 24 pages and John's book has 3 times as many pages, how many pages are in John's book?

Back

72 pages

Front

What is the classification of the number 9: Prime or Composite?

Back

Composite

Front

What is 132,625 rounded to the nearest thousand?

Back

133,000

Front

What is a prime number?

Back

A prime number is a natural number greater than 1 that has no positive divisors other than 1 and itself.

Front

What is a composite number?

Back

A composite number is a natural number greater than 1 that is not prime, meaning it has more than two positive divisors.

Front

How do you round a number to the nearest thousand?

Back

Look at the hundreds digit; if it's 5 or more, round up, otherwise round down.

Front

What is the formula to find the total cost of items?

Back

Total Cost = (Number of Items) x (Cost per Item)

Front

What is the relationship between multiplication and division?

Back

Multiplication is the inverse operation of division.