Number Sense Number Sense Test ReviewTest Review
55thth Grade GradeMrs. KellyMrs. Kelly
Define the following Define the following vocabulary terms.vocabulary terms.
• Standard form
• Exponent
• Exponential notation
AnswersAnswers• Standard form: A number written
with one digit for each place value.
• Exponent: tells us how many times to use the base number as a factor.
• Exponential notation: a way of writing a number using exponents.
Use complete sentences Use complete sentences and examples in your and examples in your
answer.answer.
• Explain the difference between expanded form and expanded notation.
AnswerAnswer Expanded form is a way to write
numbers that shows the value of each digit. 56,319 = 50,000 + 6,000 + 300 + 10 + 9. Expanded notation is a way to write numbers that shows each digit times the corresponding place value. 56,319 = (5·10,000) + (6·1,000) + (3·100)+ (1·10) + (9·1)
Compute. (Simplify)Compute. (Simplify)• 82
• 40
• 63
• 35
AnswersAnswers
• 64
• 1
• 216
• 243
Write the following numbers Write the following numbers in standard form.in standard form.
• Four billion eight hundred three thousand five hundred thirteen
• 200,000,000,000 + 80,000,000 + 400,000 + 900 + 70 + 6
• (4 · 102) + (6 · 109) + (3 · 106) + (1 · 103) + (8 · 100) + (7 · 108)
AnswersAnswers• 4,000,803,513
• 200,080,400,976
• 6,703,001,408
Write the following Write the following numerals in word form.numerals in word form.
• 389,000,751,462
AnswerAnswer
• Three hundred eighty-nine billion seven hundred fifty-one thousand four hundred sixty-two
Answer the following questions Answer the following questions about the number:about the number:
8,036,175,429
What period is the 1 in?What is the value of the 8?What place value is the 0 in?What period is the 4 in?What is the value of the 3?What place value is the 6 in ?
AnswersAnswers8,036,175,429
thousands8,000,000,000hundred millionsones30,000,000 millions
Respond to the following Respond to the following questions.questions.
• How many 10,000’s are in 100,000,000?
• How many 1,000,000’s are in 10,000,000,000?
• How many 1,000’s are in 10,000,000?
AnswersAnswers
THEY ARE ALL 10,000!!!! What a coincidence!
Answer the following Answer the following question.question.
Suppose there are one hundred billion pennies in pile A and ten million pennies in pile B, how many times greater is pile A than pile B?
AnswerAnswer
10,000 times greater! Surprise, surprise!
Compute. (Simplify)Compute. (Simplify)• 108
• 103
• 100
• 104
AnswersAnswers• 108 = 100,000,000
• 103 = 1,000
• 100 = 1
• 104 = 10,000
Write the following numbers Write the following numbers using exponents.using exponents.
• 10,000,000
• 100,000,000,000,000
• 10
• 100,000
AnswersAnswers• 107
• 1014
• 101
• 105
Congratulations!Congratulations!
This is the end of part I of the review for the Number Sense Test. We will now review the rest of the skills and concepts for part II of the Number Sense Test. Keep studying and practicing!!!!!! I am so proud of you, you are doing great!