Expressing Rational Numbers
NO CALCULATOR: Write 7/25 as a terminating decimal.
.28
Which numbers are irrational? √23 √64 √50 √121
√23 √50
NO CALCULATOR: Round √189 to the nearest whole number.
14
Round 3 + √8 nearest tenth.
5.8
If x=43 and y=21, is √(x+y) rational or irrational?
√64 is rational
NO CALCULATOR: Write 4/11 as a decimal.
.36363636...
State all number classifications of the number -6
Real, Rational, Integer
NO CALCULATOR: Round √78 to the nearest integer.
9
Compare √7 and 2.8
√7 < 2.8
Write 0.636363... as a fraction in simplest form.
7/11
Three friends want to go get ice cream. The Mercantile is 29/16 miles from where they are currently. As a decimal rounded to the nearest tenth, how many miles will they have to walk to get ice cream?
They will have to walk 1.8 miles to The Mercantile for ice cream.
An integer is a whole number. Always, sometimes, or never true?
Sometimes true
NO CALCULATOR: Between which two consecutive whole numbers is √48 located?
6 & 7
Write the numbers in order from least to greatest.
A) 2.25, B) √5, C) 17/8
C, B, A
17/8, √5, 2.25
Is √(x²+y²) rational or irrational when x=3 and y=9.
√90 is irrational
NO CALCULATOR: John is buying a pizza that is 1 and 1/8 ft wide. Express the width of the pizza using a decimal.
The pizza is 1.125 feet wide.
State an example of a whole number that is not a natural number
0
Mary wants to build a square fence for a dog pen. The area of the dog pen will be 79 ft squared. To the nearest whole number, how long is each side of her dog pen?
9 feet
Write the numbers in order from least to greatest.
A) -1/6, B) -√6, C) -5/2
C, B, A
-5/2, -√6, -1/6,
What is the repeating decimal 1.272727... written as a fraction
14/11 or 1 3/11
NO CALCULATOR: Write the fractions 47/99 and 587/1,000 as decimals.
47/99 = .474747...
587/1,000 = .587
Define characteristics of a number to be classified as a rational number.
Can be written as a fraction.
The length of a carpet is √160 ft. Will this carpet fit in Nick's room if the room measures 11 ft long? If not, what is the minimum length of a room big enough for this carpet?
No, the minimum length is 13 feet.
Order the numbers below from greatest to least.
A) -2, B) √2, C) -9/5
B, C, A
√2, -9/5, -2
Change the repeating decimal 0.83333... to a fraction in simplest form.
5/6