Number Sense Number Sense Test Review Test Review

Part IIPart II55thth Grade Grade Mrs. KellyMrs. Kelly

Rename the number in four Rename the number in four ways. (+), (-), (·), and (÷)ways. (+), (-), (·), and (÷)

• 4,800,000

AnswerAnswer• 4,000,000 + 800,000

• 5,000,000 – 200,000

• 2,400,000 · 2

• 9,600,000 ÷ 2

Write the following in Write the following in expanded notation.expanded notation.

• 630,590,107

AnswerAnswer

• (6·100,000,000) + (3·10,000,000) + (5·100,000) + (9·10,000) +(1·100) + (7·1)

Write the number in Write the number in exponential notation.exponential notation.

• 350,379,056,090

AnswerAnswer

350,379,056,090 = (3·1011) + (5·1010) + (3·108) + (7·107) + (9·106) + (5·104) + (6·103) + (9·101)

Write the number in short Write the number in short word form.word form.

• 75,089,134,709

AnswerAnswer

75,089,134,709 = 75 billion 89 million 134 thousand 709

Write the words that these Write the words that these mathematical terms represent.mathematical terms represent.• >

• =

• <

AnswersAnswers• > greater than

• = equal to

• < less than

Compare using >, <, or =.Compare using >, <, or =.• 809,125 _____ 809,521

• 6,495,378 _____ 6,945,378

• -63 _____ -36

• -52 _____ 64

• 0 _____ -17

AnswersAnswers• 809,125 < 809,521

• 6,495,378 < 6,945,378

• -63 < -36

• -52 < 64

• 0 > -17

List these numbers in order List these numbers in order from LEAST to GREATEST.from LEAST to GREATEST.

• 36• -43• 0• -74• 54• -26

AnswerAnswer

• -74, -43, -26, 0, 36, 54

Round each number to the Round each number to the place value indicated.place value indicated.

• Round 7,563,984,591 to the nearest ten thousand.

• Round $7,926.96 to the nearest hundred dollars.

• Round 42,599,759,744 to the nearest hundred billion.

AnswerAnswer• Round 7,563,984,591 to the nearest

ten thousand. 7,563,980,000

• Round $7,926.96 to the nearest hundred dollars. $7,900.00

• Round 42,599,759,744 to the nearest hundred billion. 0

Write the six largest numbers Write the six largest numbers using the following digits.using the following digits.

• 7• 9• 4• 8• 6• 5

AnswersAnswers987,654987,645987,564987,546987,465987,456

Write the six smallest numbers Write the six smallest numbers using the following digits.using the following digits.

• 3• 1• 4• 8• 5• 9

AnswersAnswers

134,589 134,598 134,859

134,895 134,958

134,985

Label the number line.Label the number line.

-24

AnswerAnswer

-26 -25 -24 -23 -22

List three uses of integers.List three uses of integers.1.)

2.)

3.)

AnswersAnswers• Money (profit/loss)• Temperature (up/down)• Number Line (positive/negative)• Geographical (above/below)• Sports – golf (above/below par) and

football (gain/loss)• Time (count up/down)• Banking (deposit/withdraw)• Stock Market (up/down)

List three Real World List three Real World Applications for each.Applications for each.

Thousands Billions1. 1.2. 2.3. 3.Millions1.2.3.

AnswersAnswersThousandsDistance across the U.S.Price of a carDistance from the earth to the moonMillionsAnnual income of Tiger WoodsPopulation of N.J.Population of the U.S.BillionsPopulation of ChinaPopulation of WorldStars in the Milky Way

Solve each word problem.Solve each word problem.• If you open the book and the pages

are facing you, what are the two pages if the sum is 175?

• If the sum of three consecutive odd numbers is 105, what are the three numbers?

AnswersAnswers• If you open the book and the pages

are facing you, what are the two pages is the sum is 175?87 and 88

• If the sum of three consecutive odd numbers is 105, what are the three numbers?

33, 35, 37

Congratulations!Congratulations! Great job! You have just

completed your two day math review for the Number Sense Test. Make sure to bring home your math binder to study definitions and practice problems.