Rounding to the nearest 10

When rounding a number, what do you look at?

• The digit to the left of the place value you are rounding to.

• The digit to the right of the place value you are rounding to.

• The digit in the middle of the number.

• The last digit of the number.

What is rounding?

• Rounding is the process of adjusting a number to make it simpler and easier to work with, usually to the nearest ten, hundred, or other place value.

• Rounding is the method of calculating the average of a set of numbers.

• Rounding is the technique of converting fractions into decimals.

• Rounding is the process of estimating the value of a number by removing its decimal places.

What is the nearest ten to 85?

• 80

• 85

• 90

• 100

What is the nearest ten to 47?

• 40

• 45

• 50

• 55

What is the nearest ten to 15?

• 10

• 15

• 20

• 25

If the digit to the right is 5 or more, what do you do?

• You round down.

• You round up.

• You leave it as is.

• You change it to the next even number.

Round to the nearest 10: 76

• 70

• 75

• 80

• 85

What is the nearest ten to 68?

• 60

• 65

• 70

• 75

Round to the nearest 10: 19

• 15

• 20

• 25

• 10

If the digit to the right is less than 5, what do you do?

• You round down.

• You round up.

• You leave it as is.

• You change it to zero.