Rounding Decimal Numbers Mastery

This video tutorial covers rounding decimal numbers in four different ways: to whole numbers, one decimal place, two decimal places, and three decimal places. It explains the rules for rounding based on the digit following the desired place value and provides examples for each method. The tutorial also includes practice problems to reinforce the concepts taught.

What are the four different ways to round decimal numbers?

• Whole number, tenths, hundredths, millionths

• Whole number, tenths, hundredths, thousandths

• Whole number, hundredths, thousandths, millionths

• Whole number, tenths, thousandths, millionths

When rounding to the nearest whole number, what should you do if the digit right after the decimal is between 0 and 4?

• Keep the number the same

• Round down

• Ignore the decimal

• Round up

If you are rounding 0.37 to the nearest tenth, what will the result be?

• 0.3

• 0.4

• 0.5

• 0.37

When rounding to the nearest hundredth, which digit do you look at?

• First digit after the decimal

• Second digit after the decimal

• Third digit after the decimal

• Fourth digit after the decimal

What happens to the number 0.375 when rounded to the nearest thousandth?

• 0.37

• 0.375

• 0.38

• 0.376

When rounding 1.645 to the nearest whole number, what is the result?

• 1.6

• 2

• 1

• 1.7

If you round 1.645 to one decimal place, what will the result be?

• 1.65

• 1.6

• 1.7

• 1.64

What is the result of rounding 1.645 to two decimal places?

• 1.63

• 1.66

• 1.65

• 1.64

When rounding 13.479 to the nearest whole number, what is the result?

• 13.4

• 13.5

• 14

• 13

What is the result of rounding 146.987 to three decimal places?

• 147.00

• 146.98

• 146.987

• 146.99