Math pre lecture assignment ch 1
2 2/6 - 4/6 = ___________ (in proper form and reduced to lowest terms). 1 2/3 1 4/6 2 1 2/6
1 2/3
1/3 - ¼ = __________ (in proper form and reduced to lowest terms). 0 ½ 2/12 1/12
1/12
The missing numerator for 5/6 = x/12 is 8 6 10 11
10
What is the least common denominator for 5/6, 5/3, and 3/4? 24 48 20 12
12
18/37 simplified to its lowest terms is ___________.
18/37
4/5 = x/25; ? = ____________
20
4 2/5 Picture 1 3/8 = ___________. Reduce the answer to the lowest terms.
3 1/5
Convert 95/25 to a mixed number: ______________ (reduce to lowest terms)
3 4/5
Convert 57/13 to a mixed number: _____________ (reduce to lowest terms)
4 5/13
2/9 Picture 2/8 = _________ . Reduce the answer to the lowest terms.
8/9
Convert 73/8 into a mixed number: ___________ (reduce to lowest terms)
9 1/8
15/22 - 6/22 = ____________.
9/22
Equivalent fractions have the same value even if written differently. True False
True
The numerator represents parts of the whole. True False
True
To divide fractions, the divisor is inverted and the dividend is multiplied by this reciprocal of the divisor. True False
True To divide fractions, the divisor is inverted and the dividend is multiplied by this reciprocal of the divisor.
When adding fractions or subtracting fractions, the LCD will be the denominator of the answer. True False
True When adding fractions, the LCD will be the denominator of the answer.
A(n) ____________ fraction represents equal parts of a whole. 1. equivalent 2. mixed 3. common 4. improper
common
The bottom number of a fraction, which represents the whole, is the 1. numerator. 2. least common denominator. 3. equivalent fractions. 4. denominator.
denominator.
A(n) ___________________ combines a whole number with a fraction. 1. numerator 2. least common denominator 3. equivalent fraction 4. mixed number
mixed number
The top number on a fraction, which represents parts of the whole, is the 1. numerator. 2. least common denominator. 3. equivalent fractions. 4. denominator.
numerator.
A(n) ___________________ is a number other than one that can be evenly divided only by itself. 1. numerator 2. mixed number 3. equivalent fraction 4. prime number
prime number
__________________ are two fractions that are written differently and have the same value. 1. Mixed numbers 2. Least common denominators 3. Equivalent fractions 4. Prime numbers
Equivalent fractions
A common denominator is necessary to multiply or divide fractions. True False
False
A mixed number is the combination of two fractions. True False
False
Fractions cannot be used to show the relationship between part of a group and the whole group. True False
False
Fractions with a value less than one are written as mixed numbers. True False
False
If the numerator of a fraction is 1, the fraction equals the number in the denominator. True False
False
Prior to adding or subtracting fractions, it is not necessary to convert mixed numbers to fractions. True False
False
The numerator is the bottom part of the fraction and represents the whole. True False
False
The denominator represents part of the whole and is the bottom number of a fraction. True False
False The denominator represents the whole and is the bottom number of a fraction.
