Ch. 3 Add and subtract decimals

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Presentation transcript:

Ch. 3 Add and subtract decimals Chapter 3 vocabulary

A familiar number used as a point of reference. 1. Benchmark A familiar number used as a point of reference.

2. Decimal Denoting a system of numbers based on place value of tenths, hundredths, thousandths. Also says “AND”.

To find a number that is close to an exact amount 3. Estimate To find a number that is close to an exact amount

One of one hundred equal parts. 4. Hundredth One of one hundred equal parts.

5. Round To place a number with one that is simpler and is approximately the same size as the original number.

6. Term 7. Sequence Each of the numbers within a sequence. An ordered list of numbers.

One of one thousand equal parts. 8. Tenth One of ten equal parts. 9. Thousandth One of one thousand equal parts.