8. Adding and Subtracting Decimals

Question 1

Define “Decimal Number”

Answer 1

1. A number written in our usual base-10 number system

Question 2

Define “Decimal Point”

Answer 2

1. The dot or period that comes to the right of the 1’s place and to the left of the 10th’s place in a decimal number

Question 3

Define “100th’s Place”

Answer 3

1. The digit second to the right of the decimal point

Question 4

Define “10th’s Place”

Answer 4

1. The to the immediate right of the decimal point

Question 5

What is the most common mistake in adding or subtracting decimal numbers?

Answer 5

1. Not lining up the decimal points