OSTP Practice 1 - 2025

What is the number 345,678 written in words?

• Three hundred forty-five thousand, six hundred seventy-eight

• Three hundred fifty-four thousand, six hundred seventy-eight

• Three hundred forty-five thousand, seven hundred sixty-eight

• Three hundred forty-six thousand, five hundred seventy-eight

Which of the following numbers is in the expanded form of 506,214?

• 500,000 + 6,000 + 200 + 14

• 500,000 + 60,000 + 200 + 14

• 500,000 + 6,000 + 200 + 10 + 4

• 500,000 + 6,000 + 200 + 10

Which number is greater: 789,123 or 798,123?

• 789,123

• 798,123

If you buy a toy for $15.75 and pay with a $20 bill, how much change should you receive?

• $4.25

• $5.25

• $4.75

• $5.75

What is the fewest number of coins needed to make $0.87?

• 3 quarters, 1 dime, 2 pennies

• 3 quarters, 1 dime, 1 nickel, 2 pennies

• 3 quarters, 1 dime, 1 nickel

• 4 quarters, 1 dime, 2 pennies

What is the numeral for "seven hundred twenty-three thousand, four hundred fifty-six"?

• 723,546

• 732,456

• 723,456

• 732,546

Write 1,234,567 in expanded form.

• 1,000,000 + 200,000 + 30,000 + 4,000 + 500 + 60 + 7

• 1,000,000 + 200,000 + 30,000 + 4,000 + 500 + 70 + 6

• 1,000,000 + 200,000 + 30,000 + 4,000 + 600 + 50 + 7

• 1,000,000 + 200,000 + 30,000 + 4,000 + 500 + 60 + 8

Order the following numbers from least to greatest: 456,789; 654,789; 546,789.

• 456,789; 546,789; 654,789

• 654,789; 546,789; 456,789

• 546,789; 456,789; 654,789

• 456,789; 654,789; 546,789

If you buy a book for $8.50 and pay with a 10 bill, how much change should you receive?

• $1.50

• $2.50

• $1.25

• $1.75

What is the fewest number of coins needed to make $0.99?

• 3 quarters, 2 dimes, 4 pennies

• 3 quarters, 2 dimes, 3 pennies

• 3 quarters, 2 dimes, 2 pennies

• 3 quarters, 2 dimes, 1 nickel, 4 pennies