Rounding/Estimation 3rd Grade

Front

What does it mean to round a number?

Back

Rounding a number means adjusting it to the nearest ten, hundred, or other place value to make it easier to work with.

Front

How do you round a number to the nearest ten?

Back

Look at the digit in the ones place. If it is 5 or more, round up. If it is 4 or less, round down.

Front

Round the number 925 to the nearest ten.

Back

930

Front

What is estimation in math?

Back

Estimation is finding a number that is close enough to the right answer, often by rounding.

Front

If Britani's chicken laid 263 eggs, how can we estimate how many eggs she laid?

Back

We can round 263 to the nearest hundred, which is 300.

Front

What is the nearest hundred to 815?

Back

800

Front

What is the nearest hundred to 651?

Back

700

Front

If Roselynn sold 141 chocolates from a box of 249, how can we estimate how many she has left?

Back

We can round 249 to 200 and estimate she has about 100 left.

Front

What is the sum of 424 and 685 when rounded to the nearest hundred?

Back

1,100

Front

How do you round a number to the nearest hundred?

Back

Look at the digit in the tens place. If it is 5 or more, round up. If it is 4 or less, round down.