Leading Digit Calculations

Round this number to the leading digit: 67

Round this number to the leading digit: 12145

12.179 rounded to two decimal places is equal to

• 13.17

• 13.20

• 13.18

• 13.19

2.998 rounded to one decimal place is equal to

• 3.0

• 2.9

• 2.8

• 3.1

By rounding each number to the leading digit, estimate the value of

487 + 962

• 1440

• 1450

• 1300

• 1500

By rounding each number to the leading digit, estimate the value of

87 x 432

• 39000

• 36000

• 3600

• 32000

By rounding each number to the leading digit, estimate the value of:

69241 / 1297

• 70

• 50

• 53

• 30

Round to the nearest unit:

40.987

• 41

• 40

• 40.9

• 40.99

Round to 4 decimal places:

0.8764903

• 0.8765

• 0.8764

• 0.9000

• 0.8760

Estimate by rounding to the leading digit:

478 + 58 + 2185

• 2560

• 2800

• 2500

• 2740