Understanding Place Value

What is the main idea behind place value?

• It is the sum of all digits in a number.

• It is the difference between the largest and smallest digit.

• It is the value of each digit in a number.

• It is the value of a number as a whole.

What happens when you have more than 9 ones?

• You start a new column for ones.

• You group them to form a ten.

• You ignore the extra ones.

• You subtract the extra ones.

How does the tens column change as you add more ones?

• It doubles.

• It increases by one.

• It remains the same.

• It decreases by one.

What occurs when you reach 99 in terms of place value?

• You move to the hundreds column.

• You add another tens column.

• You start over from zero.

• You subtract ten from the total.

What is the result when you group tens to reach 199?

• It becomes 100.

• It becomes 300.

• It becomes 200.

• It remains 199.