Chapter 5-Adding & Subtracting Decimals

A number with one or more places to the right of a decimal point.

• difference

• decimal number

• sum

• product

One of 1,000 equal parts of a whole. The third place to the right of the decimal.

• thousands

• hundreds

• thousandths

• hundredths

One of 100 equal parts of a whole. The second place to the right of the decimal.

• ones

• tenths

• hundredths

• thousandths

One of 10 equal parts of a whole. The first place to the right of the decimal.

• ones

• tens

• tenths

• hundredths

Operations that undo each other.

• related operations

• inverse operations

• reverse operations

• inverted operations

The answer to an addition problem.

• sum

• difference

• quotient

• product

The answer to a subtraction problem.

• sum

• difference

• quotient

• product

Which is the best estimate for the sum 3.96 and 1.43?

• 2

• 3

• 4

• 5

Which is the best estimate for the difference of 9.45 and 4.75?

• 4.7

• 4

• 3

• 9.10

Jane's lunch bill is $4.64. She pays with a $10 bill. About how much change does June receive?

• $3

• $4

• $5

• $6