Estimation

Front

Estimate 24 + 67 = ?

Back

90

Front

Round 56 to the nearest ten.

Back

60

Front

Round 1,492 to the nearest hundred.

Back

1,500

Front

Round 151 to the nearest ten.

Back

150

Front

Round 234 to the nearest ten.

Back

230

Front

What is estimation?

Back

Estimation is finding a number that is close enough to the right answer.

Front

What does it mean to round a number?

Back

Rounding a number means adjusting it to the nearest place value.

Front

When rounding 5 or more, what do you do?

Back

You round up.

Front

When rounding 4 or less, what do you do?

Back

You round down.

Front

What is the nearest ten to 73?

Back

70