Rounding Decimals Quiz for Grade 7

• 3

• 4

• 3.5

• 3.46

Answer explanation

To round 3.456 to the nearest whole number, look at the digit after the decimal point (4). Since it is 5 or greater, round up to 4. Therefore, the correct answer is 4.

• 12.34

• 12.35

• 12.36

• 12.345

Answer explanation

To round 12.3456 to two decimal places, look at the third decimal (5). Since it's 5 or more, round up the second decimal (4) to 5, resulting in 12.35.

• 5

• 6

• 5.4

• 5.43

Answer explanation

To round 5.4321 to the nearest whole number, look at the first decimal place (4). Since it is less than 5, we round down to 5. Therefore, the correct answer is 5.

• 9.8

• 9.9

• 10.0

• 9.87

Answer explanation

To round 9.876 to one decimal place, look at the second decimal (7). Since 7 is 5 or greater, round up the first decimal (8) to 9. Thus, 9.876 rounded to one decimal place is 9.9.

• 15.67

• 15.68

• 15.69

• 15.678

Answer explanation

To round 15.6789 to two decimal places, look at the third decimal (8). Since it is 5 or greater, round up the second decimal (7) to 8. Thus, 15.6789 rounded to two decimal places is 15.68.

• 2.345

• 2.346

• 2.34

• 2.35

Answer explanation

To round 2.3456 to three decimal places, look at the fourth decimal (6). Since 6 is greater than 5, we round up the third decimal (5) to 6, resulting in 2.346.

• 6

• 7

• 6.5

• 6.49

Answer explanation

To round 6.499 to the nearest whole number, we look at the digit after the decimal point. Since it is 4 (less than 5), we round down to 6. Therefore, the correct answer is 6.

• 8.1

• 8.2

• 8.12

• 8.13

Answer explanation

To round 8.123 to one decimal place, look at the second decimal (2). Since 2 is less than 5, we round down, resulting in 8.1. Thus, the correct answer is 8.1.