RATIONAL NUMBERS
numbers can be written as fractions
rational number
numbers can not be written as fractions..
irrational numbers
Real numbers are integers
False
What is the first significant figure in the following number?
0.03210
3
Adrianna has 10 pieces of gum to share with her friends. There wasn’t enough gum for all her friends, so she went to the store to get 3 more pieces of gum. How many pieces of gum does Adrianna have now?
13
All natural numbers and zero
Whole numbers
This value commonly used in geometry is an irrational number because it is a decimal that does not terminate...
pi
Natural numbers are whole numbers
True
How many significant figures are in 0.001025?
4
Ashley bought a big bag of candy. The bag had 102 blue candies, 100 red candies and 94 green candies. How many candies were there in total?
296
True or false: terminating and repeating decimals are rational numbers.
True
An irrational number does not terminate or
repeat
The set of whole numbers are a subset of natural numbers?
False, 0
Round off 368 to 2 significant figures.
370
Nathan has a big ant farm. He decided to sell some of his ants. He started with 965 ants. He sold 213. How many ants does he have now?
752
These rational numbers are referred to as "the counting numbers" and they include 1, 2, 3,
Natural numbers
If a number is not a perfect square then its' square root is a
irrational number
Irrational numbers are real
True
Round off 0.001203 to 3 sig fig
0.00120
A movie theatre has 25 rows of seats with 20 seats in each row. How many seats are there in total?
500
What 3 sets are in the set of rational numbers?
Natural numbers, whole numbers, and integers
List three examples of irrational numbers
pi
, non-perfect square, a non terminating decimal
A rational number is an irrational number
False
sqrt(2)
Round off 305.698 to 1 decimal place.
305.7
The school has $20,000 to buy new computer equipment. If each piece of equipment costs $50, how many pieces can the school buy in total?
400