Comparing 3 Digit Numbers Review

Which number sentence is correct?

• 123 < 125

• 678 > 680

• 432 < 430

• 890 > 891

Answer explanation

The correct number sentence is 123 < 125, as 123 is indeed less than 125. The other options are incorrect because they state false inequalities.

Which number is greater than six hundred fifty-four?

• 654

• 655

• 645

• 650

Answer explanation

The number 655 is greater than 654, while 654, 645, and 650 are all less than or equal to 654. Therefore, the only number greater than six hundred fifty-four is 655.

Which number can replace the question mark to make a true statement? 512 > ?

• 520

• 500

• 530

• 540

Answer explanation

To satisfy the inequality 512 > ?, the number must be less than 512. Among the choices, 500 is the only number that meets this condition, making 512 > 500 a true statement.

Which symbol correctly completes this number sentence? Number sentence: 780 □ 775

• <

• >

• =

Which symbol correctly completes this number sentence? Number sentence: 645 □ 650

• <

• >

• =

Which symbol correctly completes this number sentence? Number sentence: 789 □ 785

• <

• >

• =

Which number should be placed in the box to make the inequality true? Inequality: □ < 350

• 360

• 340

• 350

• 355

Answer explanation

To satisfy the inequality □ < 350, the number must be less than 350. Among the options, 340 is the only number that meets this condition, as 360, 350, and 355 are all greater than or equal to 350.

Which number is less than four hundred twenty?

• 425

• 415

• 430

• 420

Answer explanation

The question asks for a number less than four hundred twenty. Among the choices, 415 is the only number that is less than 420, while 425, 430, and 420 are all greater than or equal to 420.

Which number can replace the question mark to make a true statement? 789 < ?

• 780

• 800

• 770

• 790

Answer explanation

To satisfy the inequality 789 < ?, the number must be greater than 789. Among the choices, 800 is the only number that meets this condition, making it the correct answer.

Which number sentence is correct?

• 567 < 560

• 678 > 680

• 345 > 350

• 234 < 240

Answer explanation

The correct sentence is 234 < 240, as 234 is indeed less than 240. The other options are incorrect because they state false inequalities.