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 154, the digit 1 is in the hundreds place, so it represents 100.

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 more, round up. If it is 4 or less, round down.

Front

Round 154 to the nearest ten.

Back

150

Front

Round 94 to the nearest ten.

Back

90

Front

Round 61 to the nearest ten.

Back

60

Front

What is the missing number in the sequence: 880, ____, 900?

Back

890

Front

Count the base ten blocks: 10 blocks of 10 and 5 blocks of 1. What number do you get?

Back

115

Front

What is the value of the digit 5 in the number 354?

Back

50, because it is in the tens place.

Front

What does rounding mean?

Back

Rounding means adjusting a number to make it simpler but keeping its value close to what it was.

Front

If you round 87 to the nearest ten, what do you get?

Back

90