Real-world examples of rounding decimals to one decimal place

📚 Quick Study Guide

• 📏 Rounding to One Decimal Place: Identify the tenths place (the first digit after the decimal point).
• 👀 The Next Digit: Look at the digit immediately to the right of the tenths place (the hundredths place).
• ⬆️ Rounding Up: If the hundredths digit is 5 or greater, round the tenths digit up by one.
• ⬇️ Rounding Down: If the hundredths digit is less than 5, keep the tenths digit as it is.
• ✂️ Truncate: Drop all digits to the right of the tenths place after rounding.
• ➕ Example: 4.56 rounds to 4.6, and 2.34 rounds to 2.3

➕ Practice Quiz

1. What does 3.14159 round to, to one decimal place?
   1. 3.1
   2. 3.2
   3. 3.0
   4. 3.14
2. A measurement is recorded as 12.78 cm. What is this measurement rounded to the nearest tenth of a cm?
   1. 12.7 cm
   2. 12.8 cm
   3. 12.79 cm
   4. 13.0 cm
3. A store sells apples for $1.45 each. What's the price per apple, rounded to the nearest tenth of a dollar?
   1. $1.4
   2. $1.5
   3. $1.0
   4. $1.46
4. What is 0.999 rounded to one decimal place?
   1. 0.9
   2. 1.0
   3. 0.0
   4. 0.99
5. If a recipe calls for 2.32 cups of flour, how much flour should you use, rounded to one decimal place?
   1. 2.3 cups
   2. 2.4 cups
   3. 2.0 cups
   4. 2.33 cups
6. The length of a table is 1.87 meters. What is the length of the table rounded to one decimal place?
   1. 1.8 meters
   2. 1.9 meters
   3. 1.0 meters
   4. 1.88 meters
7. What does 9.55 round to when rounded to one decimal place?
   1. 9.5
   2. 9.6
   3. 10.0
   4. 9.0