Fractions
10/30 in simplest form is...
1/3
Define a rational number.
A number that can be written as a fraction. A number that TERMINATES or REPEATS
How can I write 4x4x4x4x4 using an exponent?
45
Round 4.647 to the nearest TENTH
4.6
Multiply 1/3 x 2/4
2/12 or 1/6
Add the fractions: 4/5 + 2/5
7/5 or 1 and 2/5
Is 45/1 a rational number? WHY?
Yes - fraction, whole number, terminates...
Simplify the expression
83 x 82
(we have to ADD the exponents when we multiply)
Round 9.5 to the nearest WHOLE number
10
What is my last name?
Schuck
Write .74 as a fraction
74/100 or 37/50
Is the square root of 81 a rational number?
Yes (square root of 81=9, 9 is a whole number)
Simplify the expression
1097 / 103
1094
(We have to SUBTRACT the exponents when we divide)
Truncate .678 to the nearest tenth
.6
(remember, to truncate means to stop at that number no matter what comes after)
Divide 4/3 divided by 1/2
8/3 or 2 and 2/3
What is 2/8 as a decimal?
.25
Is the square root of 5 a rational number?
No (it goes on an on forever and doesn't repeat)
True or False: 780=0
False
A number to the 0 power is always 1
Write 2/3 as a decimal, rounding to the nearest thousandth.
0.667
Round pi to the nearest hundredth.
3.14
Add 1/4 + 1/3
7/12
Which of the following is an IRRATIONAL number?
4.00000001, -23.23, 9.3334444444444444..., 8.764026619835...
8.764026619835...
It doesn't end (...), and it doesn't repeat (there is no pattern).
6-2=?
1/(62) or 1/36
What is the difference between rounding and truncating?
For an example, use 4.57 to the nearest tenth.
Rounding: 4.6
Truncating: 4.5
Rounding asks which number it is closest to. Truncating just stops.
What is (2/3)2?
22/32 or 4/9