Estimation - Application

Estimating is to....

• find the exact answer

• find something close to the correct answer

• use an algorithm

What does the vocabulary term "whole number" means?

• Rounding means making a number lesser or greater but keeping its value close to what it was.

• Numbers that are fractions or decimals.

• Any of the numbers {0, 1, 2, 3, ...} etc.

• None of the above

Wells bought a laptop for $764.92. Round the cost of the laptop to the nearest ten dollars.

Nick bought a pair of tickets for $59.14 to watch a play. He bought another pair of tickets for the best available seats for his parents for $67.91. Round the cost of the tickets to the nearest dollar. About how much money did he spend?

• $130

• $127.05

• $110

• $127

Emily save $3.75 per day. Round the money to the nearest dollar. Estimate the amount Emily saved in a week.

• $26.00

• $28.00

• $26.25

• $21.00

Kevin worked for 8 days and earned $16.84 per day. Round his daily pay to the nearest ten dollars. Estimate how much he was paid at the end of his 8 days of work.

Sam is reading a book that contains 3,793 pages. He has read 1,241 pages. Round to the nearest hundred. About how many pages are left unread?

• 2,600

• 3,000

• 2,550

• 5,000

Ms. Williams needed to purchase bulletin board borders to trim her board. The board was 13.64 m high and 24.37 m long. About how many meters of border will she need to buy if you round to the nearest ones? Write your answer in standard form.

What is the expanded notation for the number 8,459?

• (8 x 1,000) + (400) + 50 + (9)

• 8,000 + 400 + 50+ 9

• (8 x 1,000) + (4 x 100) + (5 X 10) + (9 x 1)

• 8,459

Annabelle the bear ate 952,456,102,785 picnic lunches in her lifetime at Bear Free Range Park. How many periods are in this number?