Rounding Decimals in 5th Grade Math

This video tutorial by Mr. J covers the topic of rounding decimals, comparing it to rounding whole numbers. It provides a refresher on rounding rules and demonstrates how to round decimals to the tenths, hundredths, and nearest whole number through various examples. The video emphasizes the difference in rounding decimals versus whole numbers, particularly in not adding zeros after the decimal point. It concludes with advice to practice using a mastery check video linked in the description.

What is the basic rule for rounding numbers?

• If the next number is 5 or less, keep the current number the same.

• If the next number is 4 or less, increase the current number by 1.

• If the next number is 6 or more, decrease the current number by 1.

• If the next number is 5 or more, increase the current number by 1.

When rounding 2.67 to the nearest tenth, what is the result?

• 2.6

• 2.70

• 2.7

• 2.67

What is the difference in rounding between whole numbers and decimals?

• Decimals are rounded to the nearest whole number.

• Whole numbers are filled with zeros after rounding.

• There is no difference in rounding between whole numbers and decimals.

• Decimals are cut off at the rounded place without adding zeros.

When rounding to the nearest whole number, what does 22.3 round to?

• 22

• 23

• 22.0

• 22.3

What does 5.9 round to when rounded to the nearest whole number?

• 6

• 5.0

• 5.9

• 5

When rounding 45.18 to the nearest tenth, what is the correct rounding?

• 45

• 45.18

• 45.2

• 45.1

Is 8.3 closer to 8 or 9 when rounded to the nearest whole number?

• 8.0

• 8

• 9

• 8.3

What does 9.9 round to when rounded to the nearest whole number?

• 9.9

• 9

• 10

• 9.0

When rounding to the nearest tenth, what does 4.72 round to?

• 4.70

• 4.72

• 4.7

• 4.8

What is the result when rounding 37.56 to the nearest hundredth?

• 37.00

• 37.56

• 37.6

• 37.5