TEKS 3.4B - Estimating (Exit Ticket)

Front

What is the process of estimating a number to the nearest hundred?

Back

To estimate a number to the nearest hundred, look at the tens digit. If it is 5 or greater, round up to the next hundred. If it is less than 5, round down to the previous hundred.

Front

How do you estimate the number 87 to the nearest ten?

Back

To estimate 87 to the nearest ten, look at the units digit (7). Since 7 is 5 or greater, round up to 90.

Front

What is the estimated sum of 32 and 42 when rounded to the nearest ten?

Back

First, round 32 to 30 and 42 to 40. Then, the estimated sum is 30 + 40 = 70.

Front

How do you round the number 320 to the nearest hundred?

Back

To round 320 to the nearest hundred, look at the tens digit (2). Since 2 is less than 5, round down to 300.

Front

What is the estimated sum of 320 and 420 when rounded to the nearest hundred?

Back

First, round 320 to 300 and 420 to 400. Then, the estimated sum is 300 + 400 = 700.

Front

How do you estimate the number 38 to the nearest ten?

Back

To estimate 38 to the nearest ten, look at the units digit (8). Since 8 is 5 or greater, round up to 40.

Front

What is the importance of estimating numbers in real-life situations?

Back

Estimating numbers helps in making quick calculations, budgeting, and assessing quantities without needing exact figures.

Front

What is the difference between rounding and estimating?

Back

Rounding is a specific method of estimating where you adjust a number to a specific place value, while estimating can involve approximating values in a broader sense.

Front

What is the rule for rounding numbers?

Back

If the digit to the right of the rounding place is 5 or greater, round up. If it is less than 5, round down.

Front

How do you round 564 to the nearest hundred?

Back

To round 564 to the nearest hundred, look at the tens digit (6). Since 6 is 5 or greater, round up to 600.