Question

choose the correct word to complete each sentence. compatible number estimate round decompose expanded form 1. when you ____________ addends, you break them apart. (lesson 2 - 7) 2. you can __________ an answer when you do not need an exact answer. (lesson 2 - 3) 3. when you __________ a number, you find a number that is close to the original number. (lesson 2 - 2) 4. a __________ is a number that is close to a number but is easy to work with. (lesson 2 - 3) 5. the representation of a number as a sum of the values of each digit is called ____________. (lesson 2 - 1) unit 2 · use place value to fluently add and subtract w

Explanation:

1. Breaking addends apart is called decomposing them.
2. When an exact answer isn't needed, you estimate.
3. Finding a close - by number is rounding.
4. A number close and easy to work with is a compatible number.
5. Representing a number as a sum of digit values is its expanded form.

Answer:

1. decompose
2. estimate
3. round
4. compatible number
5. expanded form