Exam 1: Whole Numbers: How to Dissect and Solve Word Problems

Ray Company received a shipment of 25 cartons of stereos. In each carton were five stereos. Each stereo sells for $80 and has a $30 cost to Ray. Assuming Ray sells all the stereos, what would its profit be?

Divide by shortcut method: 130,000 ÷ 1,000

Multiply by shortcut method: 130 × 1,000

Estimate by rounding all the way, work actual problem, and check by adding each column of digits separately. 1,905 3,755 + 6,939 A. Estimate B. Actual C. Check

In 2018, Lucy Eutner earned $66,000 in real estate commissions. If Lucy's average commission was $6,000 per house, how many houses did Lucy sell?

Commas separate every three digits from right to left.

Katy purchased 100 shares of Facebook's IPO @ $38.00 a share. One year later she sold it all for $50 a share. What was her total gain?

Tom traveled with his son Jeff to Branford, CT, by car and flew back at a cost of $443. He handed the ticket agent a $1,000 traveler's check. How much will Tom get back?

Match the following terms with their definitions. -Addend

Rounding approximates actual answers.

John's Pizza sold $11,130 worth of pizza for one week. The same number of pizzas were sold each day. Each pizza sells for $6. How many pizzas were sold each day, assuming a seven-day work week.

Subtract: 9,438 - 8,888

Divide by long division and then check the answer: 6,438 ÷ 132

Estimate by rounding all the way (do not round final answer): 2944 + 7653

Ace Landscape buys 100 shovels for $15 each. Ace sells all 100 shovels at $30. What is the profit made by Ace? (profit = sales - cost)

Fill in missing number: 3,910 - ________ = 79

Round the number 15,915 All the Way:

Match the following terms with their definitions. -Multiplier

The opposite of addition is subtraction.

The first step in rounding is to identify the place value of the digit to be rounded.