Rational Numbers
Write the rational number as a decimal of:
-6/5
-1.2
-7/8 + 1/4
-5/8
1/3 - (-1/3)
2/3
1.8 x (-5.1)
-9.18
-6/5 / (-1/2)
2 2/5
Write the rational number as a decimal of:
-7 3/8
-7.375
2 + (-7/2)
-1 1/2
-3 1/3 - 5/6
-4 1/6
-6.3 x (-0.6)
3.78
-1/5 / 20
-1/100
Write the decimal as a fraction or a mixed number in simplest form:
-0.7
-7/10
-12.5 + 15.3
2.8
-8.4 - 6.7
-15.1
-2/3 x 7 7/8 x 3/2
-7 7/8
-3.45 / -15
0.23
Write the decimal as a fraction or a mixed number in simplest form:
-10.25
-10 1/4
-8.15 + (-4.3)
-12.45
Find the distance between -7.5 and -15.3
7.8
-7.2 x 0.1 x (-100)
72
12.42 / (-4.8)
-2.5875
Describe and correct the error in writing the rational number as a decimal.
-7/11 = -0.63
There should be a repeating bar digits to the right of the decimal point.
Evaluate the expression when a=1/2 and b=(-5/2).
b + 4a
-1/2
Describe and correct the error in finding the difference:
3/4 - 9/2 = (3-9)/(4-2) = -6/2 = -3
They did not use the least common denominator. Answer should be -3 3/4.
Describe and correct the error:
-2.2 x 3.7 = 8.14
The answer should be negative.
-8.14
Describe and correct the error:
-1/4 / 3/2 = -4/1 / 3/2 = -12/2 = -6
The wrong fraction was inverted. Answer = -1/6