L1 • QUIZ I-ready

Which numbers will round to 630 when rounded to the nearest ten? Choose all the correct answers.

• A. 635

• B. 628

• C. 623

• D. 632

• E. 625

Answer explanation

Numbers that round to 630 when rounded to the nearest ten are those from 625 to 634. Thus, 635 (rounds up), 628, and 632 (both round down) are correct. 623 and 625 round to 620 and 630 respectively, so they are not correct.

The number 192 is between which two tens?

• 190 and 200

• 180 and 190

• 200 and 210

• 170 and 180

Answer explanation

The number 192 is greater than 190 and less than 200, placing it between these two tens. Therefore, the correct answer is 190 and 200.

What is 517 rounded to the nearest hundred?

• 500

• 510

• 520

• 600

Answer explanation

To round 517 to the nearest hundred, look at the tens digit (1). Since it's less than 5, we round down to 500. Therefore, the correct answer is 500.

Choose True or False. 249 rounded to the nearest ten is 250.

• True

• False

Answer explanation

249 rounded to the nearest ten is 250, but since 249 is closer to 250 than to 240, the correct statement is that 249 rounded to the nearest ten is 250. Therefore, the answer is False.

Choose True or False. 249 rounded to the nearest hundred is 300.

• True

• False

Answer explanation

249 rounded to the nearest hundred is 300 because it is closer to 300 than to 200. Therefore, the statement is True.

Choose True or False. 333 rounded to the nearest ten is 330.

• True

• False

Answer explanation

When rounding 333 to the nearest ten, we look at the digit in the ones place, which is 3. Since 3 is less than 5, we round down to 330. Therefore, the statement is True.

Choose True or False. 444 rounded to the nearest hundred is 440.

• True

• False

Answer explanation

444 rounded to the nearest hundred is 400, not 440. Therefore, the statement is False.

Jada drove 142 miles. She rounds to tell people how far she went. Rounded to the nearest ten, Jada drove about ________ miles.

• 140

• 130

• 150

• 120

Answer explanation

To round 142 miles to the nearest ten, we look at the digit in the ones place, which is 2. Since 2 is less than 5, we round down to 140. Therefore, Jada drove about 140 miles.

Jada drove 142 miles. She rounds to tell people how far she went. Rounded to the nearest hundred, Jada drove about ________ miles.

• 100

• 200

• 150

• 140

Answer explanation

To round 142 miles to the nearest hundred, we look at the tens digit (4). Since it's less than 5, we round down to 100. Therefore, Jada drove about 100 miles.

Choose True or False. 586 rounded to the nearest ten is 590.

• True

• False

Answer explanation

586 rounded to the nearest ten is 590 because it is closer to 590 than to 580. Therefore, the statement is True.