Rounding and Estimation Review

Front

Round to the nearest hundred: 770

Back

800

Front

Round to the nearest ten: 76

Back

80

Front

Round to the nearest one thousand: 3,427

Back

3,000

Front

Round to the nearest hundred: 809

Back

800

Front

Estimate the sum: 38 + 52

Back

90

Front

What is rounding?

Back

Rounding is the process of adjusting a number to make it simpler and easier to work with, usually to the nearest specified place value.

Front

What does it mean to round up?

Back

Rounding up means increasing the number to the next highest value when the digit to the right is 5 or more.

Front

What does it mean to round down?

Back

Rounding down means decreasing the number to the next lowest value when the digit to the right is less than 5.

Front

What is estimation?

Back

Estimation is a method of finding an approximate value that is close enough to the right answer, often used for quick calculations.

Front

When rounding 345 to the nearest ten, what do you get?

Back

350