Vocab #1
What is a Mixed Number?
A mixed number is a whole number and a fraction combined to make a "mixed" number.
What is a fraction?
A fraction is an equal part of a whole.
1 2/3 Is this a Mixed Number, a Proper Fraction, or an Improper Fraction?
Mixed Number
Add 1/6 plus 4/6.
5/6
2/4 divided by 1/2
1
What is a Numerator? What does it tell you?
A Numerator is the top part of a fraction. It tells how many pieces you have.
Equivalent?
Equivalent Fraction?
Equivalent means equal
Different fractions that represent the same number
5/4 Is this a Mixed Number, a Proper Fraction, or an Improper Fraction?
Improper Fraction
Subtract. 3 1/4 - 2/4
2 3/4
3/4 x 1/2
3/8
What is a denominator? What does it tell you?
A denominator is the bottom part of a fraction. It tells how many pieces in all.
Common Factor
Greatest Common Factor
The highest number that divides exactly into two or more numbers.
2 3/3
Is this a Mixed Number, a Proper Fraction, or an Improper Fraction?
Mixed Number. Creates a whole. (If students say this, they get extra point)
Add. 5 7/8 + 2 3/8.
8 2/8
4 2/5 x 3/6
11
What is a proper fraction?
A proper fraction is when the numerator is less than the denominator. The fraction is less than one whole.
Common Multiple
Least Common Multiple
When two or more numbers have a multiple in common
The smallest number that is the multiple of two or more other numbers
9/8
Is this a Mixed Number, a Proper Fraction, or an Improper Fraction?
Improper
Subtract. 3/4 - 1/2.
1/4
3/5 divided by 2/3
9/10
What is a common denominator?
A common denominator is when two or more fractions have the same denominator in common. (We can add and subtract ONLY when they have common denominators. )
Tape Diagram
Bar Model
A rectangular drawing with divisions to help solve math problems
A way to visualize the relationship between numbers and solve problems
7/1000
Is this a Mixed number, a proper fraction, or an improper fraction?
Proper fraction
Add. 2 1/3 + 4/6
3
2 2/4 divided by 3/5
50/12