Common Core: 4th Grade Math : Common Core Math: Grade 4

Study concepts, example questions & explanations for Common Core: 4th Grade Math

varsity tutors app store varsity tutors android store

Example Questions

Example Question #181 : Generalize Place Value Understanding For Multi Digit Whole Numbers

Round \(\displaystyle 772\textup,583\) to the nearest thousand.

Possible Answers:

\(\displaystyle 800\textup,000\)

\(\displaystyle 772\textup,000\)

\(\displaystyle 770\textup,000\)

\(\displaystyle 774\textup,000\)

\(\displaystyle 773\textup,000\)

Correct answer:

\(\displaystyle 773\textup,000\)

Explanation:

When we round a number to the nearest thousand we look to the hundreds place to tell us if we round up or down.

\(\displaystyle 772\textup,{\color{Blue} 5}83\)

If the number in our hundreds place is \(\displaystyle 5\) or greater, we round up. If the number in the hundreds place is \(\displaystyle 4\) or less, we round down. When we round up, the number in the thousands place increases by \(\displaystyle 1\) and all the other numbers to the right become \(\displaystyle 0\). When we round down, the number in the thousands place stays the same and all the other numbers to the right become \(\displaystyle 0\).

In this case, \(\displaystyle 5\) is equal to \(\displaystyle 5\) so our rounded number is \(\displaystyle 773\textup,000\)

Example Question #402 : Common Core Math: Grade 4

Round \(\displaystyle 10\textup,834\) to the nearest thousand.

Possible Answers:

\(\displaystyle 1\textup,000\)

\(\displaystyle 11\textup,000\)

\(\displaystyle 10\textup,800\)

\(\displaystyle 10\textup,000\)

\(\displaystyle 10\textup,830\)

Correct answer:

\(\displaystyle 11\textup,000\)

Explanation:

When we round a number to the nearest thousand we look to the hundreds place to tell us if we round up or down.

\(\displaystyle 10\textup,{\color{Blue} 8}34\)

If the number in our hundreds place is \(\displaystyle 5\) or greater, we round up. If the number in the hundreds place is \(\displaystyle 4\) or less, we round down. When we round up, the number in the thousands place increases by \(\displaystyle 1\) and all the other numbers to the right become \(\displaystyle 0\). When we round down, the number in the thousands place stays the same and all the other numbers to the right become \(\displaystyle 0\).

In this case, \(\displaystyle 8\) is greater than \(\displaystyle 5\) so our rounded number is \(\displaystyle 11\textup,000\)

Example Question #403 : Common Core Math: Grade 4

Round \(\displaystyle 3\textup,109\) to the nearest hundred.

Possible Answers:

\(\displaystyle 3\textup,000\)

\(\displaystyle 3\textup,200\)

\(\displaystyle 3\textup,110\)

\(\displaystyle 3\textup,100\)

\(\displaystyle 3\textup,001\)

Correct answer:

\(\displaystyle 3\textup,100\)

Explanation:

When we round a number to the nearest hundred we look to the tens place to tell us if we round up or down.

\(\displaystyle 3\textup,1{\color{Blue} 0}9\)

If the number in our tens place is \(\displaystyle 5\) or greater, we round up. If the number in the tens place is \(\displaystyle 4\) or less, we round down. When we round up, the number in the hundreds place increases by \(\displaystyle 1\) and all the other numbers to the right become \(\displaystyle 0\). When we round down, the number in the hundreds place stays the same and all the other numbers to the right become \(\displaystyle 0\).

In this case, \(\displaystyle 0\) is less than \(\displaystyle 5\) so our rounded number is \(\displaystyle 3\textup,100\)

Example Question #404 : Common Core Math: Grade 4

Round \(\displaystyle 921\) to the nearest hundred.

Possible Answers:

\(\displaystyle 900\)

\(\displaystyle 940\)

\(\displaystyle 910\)

\(\displaystyle 930\)

\(\displaystyle 920\)

Correct answer:

\(\displaystyle 900\)

Explanation:

When we round a number to the nearest hundred we look to the tens place to tell us if we round up or down.

\(\displaystyle 9{\color{Blue} 2}1\)

If the number in our tens place is \(\displaystyle 5\) or greater, we round up. If the number in the tens place is \(\displaystyle 4\) or less, we round down. When we round up, the number in the hundreds place increases by \(\displaystyle 1\) and all the other numbers to the right become \(\displaystyle 0\). When we round down, the number in the hundreds place stays the same and all the other numbers to the right become \(\displaystyle 0\).

In this case, \(\displaystyle 2\) is less than \(\displaystyle 5\) so our rounded number is \(\displaystyle 900\)

Example Question #405 : Common Core Math: Grade 4

Round \(\displaystyle 89\textup,345\) to the nearest ten.

Possible Answers:

\(\displaystyle 89\textup,350\)

\(\displaystyle 89\textup,330\)

\(\displaystyle 89\textup,300\)

\(\displaystyle 89\textup,340\)

\(\displaystyle 89\textup,000\)

Correct answer:

\(\displaystyle 89\textup,350\)

Explanation:

When we round a number to the nearest ten we look to the ones place to tell us if we round up or down.

\(\displaystyle 89\textup,34{\color{Blue} 5}\)

If the number in our ones place is \(\displaystyle 5\) or greater, we round up. If the number in the ones place is \(\displaystyle 4\) or less, we round down. When we round up, the number in the tens place increases by \(\displaystyle 1\) and all the other numbers to the right become \(\displaystyle 0\). When we round down, the number in the tens place stays the same and all the other numbers to the right become \(\displaystyle 0\).

In this case, \(\displaystyle 5\) is equal to \(\displaystyle 5\) so our rounded number is \(\displaystyle 89\textup,350\)

Example Question #406 : Common Core Math: Grade 4

Round \(\displaystyle 6\textup,135\) to the nearest ten.

Possible Answers:

\(\displaystyle 6\textup,130\)

\(\displaystyle 6\textup,000\)

\(\displaystyle 6\textup,140\)

\(\displaystyle 6\textup,100\)

\(\displaystyle 5\textup,000\)

Correct answer:

\(\displaystyle 6\textup,140\)

Explanation:

When we round a number to the nearest ten we look to the ones place to tell us if we round up or down.

\(\displaystyle 6\textup,13{\color{Blue} 5}\)

If the number in our ones place is \(\displaystyle 5\) or greater, we round up. If the number in the ones place is \(\displaystyle 4\) or less, we round down. When we round up, the number in the tens place increases by \(\displaystyle 1\) and all the other numbers to the right become \(\displaystyle 0\). When we round down, the number in the tens place stays the same and all the other numbers to the right become \(\displaystyle 0\).

In this case, \(\displaystyle 5\) is equal to \(\displaystyle 5\) so our rounded number is \(\displaystyle 6\textup,140\)

Example Question #407 : Common Core Math: Grade 4

Round \(\displaystyle 423\) to the nearest hundred.

Possible Answers:

\(\displaystyle 300\)

\(\displaystyle 400\)

\(\displaystyle 320\)

\(\displaystyle 420\)

\(\displaystyle 430\)

Correct answer:

\(\displaystyle 400\)

Explanation:

When we round a number to the nearest hundred we look to the tens place to tell us if we round up or down.

\(\displaystyle 4{\color{Blue} 2}3\)

If the number in our tens place is \(\displaystyle 5\) or greater, we round up. If the number in the tens place is \(\displaystyle 4\) or less, we round down. When we round up, the number in the hundreds place increases by \(\displaystyle 1\) and all the other numbers to the right become \(\displaystyle 0\). When we round down, the number in the hundreds place stays the same and all the other numbers to the right become \(\displaystyle 0\).

In this case, \(\displaystyle 2\) is less than \(\displaystyle 5\) so our rounded number is \(\displaystyle 400\)

Example Question #408 : Common Core Math: Grade 4

Round \(\displaystyle 1\textup,802\) to the nearest hundred.

Possible Answers:

\(\displaystyle 1\textup,900\)

\(\displaystyle 1\textup,700\)

\(\displaystyle 1\textup,800\)

\(\displaystyle 1\textup,000\)

\(\displaystyle 2\textup,000\)

Correct answer:

\(\displaystyle 1\textup,800\)

Explanation:

When we round a number to the nearest hundred we look to the tens place to tell us if we round up or down.

\(\displaystyle 1\textup,8{\color{Blue} 0}2\)

If the number in our tens place is \(\displaystyle 5\) or greater, we round up. If the number in the tens place is \(\displaystyle 4\) or less, we round down. When we round up, the number in the hundreds place increases by \(\displaystyle 1\) and all the other numbers to the right become \(\displaystyle 0\). When we round down, the number in the hundreds place stays the same and all the other numbers to the right become \(\displaystyle 0\).

In this case, \(\displaystyle 0\) is less than \(\displaystyle 5\) so our rounded number is \(\displaystyle 1\textup,800\)

Example Question #409 : Common Core Math: Grade 4

Round \(\displaystyle 66\textup,835\) to the nearest thousand.

Possible Answers:

\(\displaystyle 66\textup,800\)

\(\displaystyle 68\textup,000\)

\(\displaystyle 66\textup,700\)

\(\displaystyle 66\textup,000\)

\(\displaystyle 67\textup,000\)

Correct answer:

\(\displaystyle 67\textup,000\)

Explanation:

When we round a number to the nearest thousand we look to the hundreds place to tell us if we round up or down.

\(\displaystyle 66\textup,{\color{Blue} 8}35\)

If the number in our hundreds place is \(\displaystyle 5\) or greater, we round up. If the number in the hundreds place is \(\displaystyle 4\) or less, we round down. When we round up, the number in the thousands place increases by \(\displaystyle 1\) and all the other numbers to the right become \(\displaystyle 0\). When we round down, the number in the thousands place stays the same and all the other numbers to the right become \(\displaystyle 0\).

In this case, \(\displaystyle 8\) is greater than \(\displaystyle 5\) so our rounded number is \(\displaystyle 67\textup,000\)

Example Question #410 : Common Core Math: Grade 4

Round \(\displaystyle 4\textup,702\) to the nearest hundred.

Possible Answers:

\(\displaystyle 4\textup,000\)

\(\displaystyle 4\textup,700\)

\(\displaystyle 5\textup,700\)

\(\displaystyle 5\textup,000\)

\(\displaystyle 4\textup,600\)

Correct answer:

\(\displaystyle 4\textup,700\)

Explanation:

When we round a number to the nearest hundred we look to the tens place to tell us if we round up or down.

\(\displaystyle 4\textup,7{\color{Blue} 0}2\)

If the number in our tens place is \(\displaystyle 5\) or greater, we round up. If the number in the tens place is \(\displaystyle 4\) or less, we round down. When we round up, the number in the hundreds place increases by \(\displaystyle 1\) and all the other numbers to the right become \(\displaystyle 0\). When we round down, the number in the hundreds place stays the same and all the other numbers to the right become \(\displaystyle 0\).

In this case, \(\displaystyle 0\) is less than \(\displaystyle 5\) so our rounded number is \(\displaystyle 4\textup,700\)

Learning Tools by Varsity Tutors