Compatible Numbers

Front

What are compatible numbers?

Back

Numbers that help make math easier and are friendly.

Front

What would be good compatible numbers for 899,999 + 428,999?

Back

900,000 + 429,000.

Front

Why do we use compatible numbers to estimate?

Back

They are easier to compute and get us close to the actual answer.

Front

What does it mean to be compatible?

Back

A good fit or pair.

Front

Which of these are most compatible? Dog and a cat, Toothpaste and orange juice, Oreos and milk?

Back

Oreos and milk.

Front

How can compatible numbers help in addition?

Back

They simplify the addition process, making it quicker.

Front

Give an example of compatible numbers for 50 + 30.

Back

50 + 30 = 80.

Front

What is the compatible number for 67 when estimating?

Back

70.

Front

Why are compatible numbers important in math?

Back

They help us make quick estimates.

Front

What is a compatible number for 299 when estimating?

Back

300.