A number that repeats 1 or more numbers and goes on forever. Examples will vary.
100
Which is larger: 0.9 or 1/3
0.9
100
What is the square root of 49?
7
100
Round 1.452 to the nearest hundredth
1.45
100
What is 1.5 in fraction form?
1 and 1/2
200
What does it mean when a decimal terminates? Give an example of a terminating decimal.
The numbers after the decimal stop. Examples will vary.
200
Use an inequality sign to compare the quantities: 0.51 and 6/11
0.51 < 6/11
200
What is 9 squared?
81
200
What is the square root of 35 to the nearest tenth?
5.9
200
Convert 0.4 (repeating 4) to fraction form.
4/9
300
What is a rational number? Include all pieces to this answer- think subsets (graphic organizer).
A rational number can be a natural number, a whole number, an integer, or a decimal that terminates or repeats as well as a real number.
300
Which is larger: -1/4 or -1/2
-1/4
300
Which of the following is an irrational square root?
The square root of 25
The square root of 50
The square root of 136
The square root of 50.
300
A square has an area of 45. What is the value of one of its side lengths to the nearest tenth?
6.7
300
Convert 0.5111111111... to fraction form
23/45
400
What is an irrational number?
A number that does not repeat and goes on forever.
400
Tom was walking home. He had to walk 5/7 of a mile to get there. Sam was also walking home. He had to walk 0.75 of a mile to get there. Who walked further? Explain.
Sam because 5/7 = 0.714... 0.714 is less than 0.75.
400
Order from least to greatest:
The square root of 2
1.4
6/4
1.4, square root of 2, 1.5
400
The square root of x is between 8 and 9. What are all possible values of x?
64-81
400
Elisa says that 0.2 and 0.222222 are the same. Explain the error.
0.2 is a rational decimal, it terminates. 0.22222.... is also rational but does not terminate. The 2 repeats forever.
500
What is a square root and a perfect square? Give an example of each.
Square root is finding which number can be multiplied by itself to get that designated number. A perfect square is the product of a rational number multiplied by itself. Examples will vary.
500
2 pieces of string are laid on a table. String 1 measures 12.666666...
String 2 measures 12 and 2/3. Anthony says string 1 is longer. Is he correct? Explain
No, he is not. 2/3 and 0.66666 are equal so they are the same.
500
How is plotting 3/5 on a number line different than plotting the square root of 5?
The value of 3/5 is exact and can be easily found on the number line. To pinpoint an exact spot for the square root of 5 would be impossible sine it goes on forever.
500
A square has an area of 164 ft squared. What is the approximate perimeter to the nearest tenth?
51.2
500
A pizza with a side length of 3.6 inches sold for $12. A circular pizza with a diameter of 8 inches sold for $15. Which is the better buy?
The square pizza cost $1.08 an inch.
The circular pizza cost $3.35 an inch.
Square pizza is the better buy.