Exam 1: Addition of Whole Numbers

2 + 7 + 13 = ____________________.

A mechanic removes 6 bolts from the cylinder heads, 24 bolts from the oil pan, and 8 bolts from the flywheel housing. What is the total number of bolts removed?

385 + 45 + 65 + 7 = ____.

In repairing a car, 8 hex head bolts, 2 oil-pan bolts, 5 fender bolts, and 3 differential-cover bolts are needed. How many bolts are used in all?

In one week a driver uses 7 gallons, 6 gallons, 5 gallons, 3 gallons, 7 gallons, 2 gallons, and 11 gallons of gasoline. What is the total number of gallons used?

On five different trips, an automobile is driven 34 miles, 47 miles, 48 miles, 42 miles, and 48 miles. What is the total mileage?

A parts clerk has 11 of the 3/8-inch SAE nuts in stock and orders 131 additional nuts. How many nuts will there be when the new order arrives?

____________________ numbers refer to complete units with no fractional parts.

____________________ allows us to figure out approximately what the answer should be.

A person drives a car 49 kilometers to one city, 84 kilometers to another, and 99 kilometers home. What is the total distance?