Round decimals
Name: _____________________ Date: __________
Show your thinking with numbers, words, or a drawing.
1. Round 13.4 to the nearest whole number.
2. Round 17.6 to the nearest whole number.
3. Round 18.4 to the nearest whole number.
4. Round 8.8 to the nearest whole number.
5. Round 1.3 to the nearest whole number.
Answer key ยท Round decimals
1. 13
13.4 lies between 13 and 14.
The deciding digit is the next one along: 4. It is less than 5, so round down.
13.4 rounded to the nearest whole number is 13.
2. 18
17.6 lies between 17 and 18.
The deciding digit is the next one along: 6. It is 5 or more, so round up.
17.6 rounded to the nearest whole number is 18.
3. 18
18.4 lies between 18 and 19.
The deciding digit is the next one along: 4. It is less than 5, so round down.
18.4 rounded to the nearest whole number is 18.
4. 9
8.8 lies between 8 and 9.
The deciding digit is the next one along: 8. It is 5 or more, so round up.
8.8 rounded to the nearest whole number is 9.
5. 1
1.3 lies between 1 and 2.
The deciding digit is the next one along: 3. It is less than 5, so round down.
1.3 rounded to the nearest whole number is 1.
Try it together
Fold two equal strips of paper into different numbers of equal parts. Find two fractions that cover the same length.