Place Value and Rounding

Front

What is place value?

Back

Place value is the value of a digit based on its position in a number. For example, in the number 345, the 3 is in the hundreds place, so it represents 300.

Front

How do you round a number to the nearest ten?

Back

To round a number to the nearest ten, look at the digit in the ones place. If it is 5 or greater, round up. If it is less than 5, round down.

Front

What is the greatest number in this set: 18,780; 19,625; 18,960?

Back

The greatest number is 19,625.

Front

What is the least number in this set: 18,780; 19,625; 18,960?

Back

The least number is 18,780.

Front

What is the result of 802 - 456?

Back

The result is 346.

Front

If Sally bought 28 daisies, 82 roses, and 110 tulips, how many flowers did she buy altogether?

Back

Sally bought about 220 flowers.

Front

What is a mystery number?

Back

A mystery number is a number that is defined by certain clues or conditions, which help to identify it.

Front

What is the best estimate for the number 898?

Back

The best estimate for 898 is 900.

Front

What does it mean to order numbers from greatest to least?

Back

Ordering numbers from greatest to least means arranging them starting with the highest number down to the lowest.

Front

What is the tens place in the number 16,289?

Back

The tens place in 16,289 is 8.