What is a rational number?
A number that can be written as a fraction.
Convert the repeating decimal into a fraction in simplest form.
0.4
4/9
What is the square root of 27
5.1
Put the following numbers in order from least to greatest.
-2, 0.3 (repeating), square root of 34, 5
-2, 0.3 (repeating), 5, square root of 34
What is an irrational number?
A number that can be written as a fraction.
Convert the repeating decimal to a fraction in simplest form.
0.7
7/9
What is the square root of 39
6.2
Is the square root of 256 rational or irrational. Why?
16 rational
What is the square root?
the opposite of squaring a number
Convert the repeating decimal to a fraction in simplest form.
1.23
1 23/99
What is the square root of 48
6.9
0.45 repeating, 6.45, 1/4, the square root of 24
1/4, 0.45 repeating, the square root of 24, 6.45
a number made by squaring a whole number
Convert the repeating decimal to a fraction in simplest form.
2.36
2 36/99
What is the square root of 51
7.1
Irrational because the "..." means it goes on forever without repeating and it cannot be written as a fraction
Answers will vary
Convert the repeating decimal to a fraction in simplest form.
3.78
3 78/99
What is the square root of 144
12
Irrational because it is not a perfect square