Only the numerators
Which parts of fractions are added together?
...because you can't take away a fraction with a greater value from a fraction with a smaller value.
Why do we re-group when subtracting using mixed numbers?
= Length x Width
Keep, Change, then Flip.
What are the 3 steps to dividing fractions?
We use 0, 1/2, and 1.
What 3 numbers do we use as benchmark fractions?
A sum of less than 1.
EXAMPLE: What is ____ + ____ ?
A difference less than 1/2.
EXAMPLE: What is ____ - ____ ?
A product that is less than 1.
EXAMPLE: What is ____ x ____ ?
A quotient that is less than 1.
EXAMPLE: What is ____ divided by ____ ?
1/3, 1/5, 1/8, 1/10, 1/12.
What 5 fractions are closer to 0 than 1?
A sum greater than 1.
EXAMPLE: What is ____ + ____ ?
A difference greater than 1.
EXAMPLE: What is ____ - ____ ?
A product that is greater than 5.
EXAMPLE: What is ____ x ____ ?
A quotient that is greater than 10.
EXAMPLE: What is ____ divided by ____ ?
2/3, 3/5, 5/8, 6/10, 7/12.
What 5 fractions are closer to 1 than 0?
____ is equivalent to 4/6.
What is equivalent to 2/3?
OR
What is equivalent to 8/12?
The answer is no because 1/3 is smaller than 1/2.
Can you subtract 1/2 from 1/3?
2/3 x ____ = 6/12
What is 3/4 x 2/3?
...by putting it in the numerator and making the denominator equal to 1.
How do you turn a whole number into a fraction?
____, ____, and ____ are equivalent to 1/2.
EXAMPLE: To what fraction are 5/10, 3/6, and 4/8 all equivalent?
1/2 + ____ = 7/8
What is 3/8?
7/12 - ____ = 1/6
What is 5/12?
...when there is a fraction greater than 1.
When multiplying fractions, in what situation would you need to draw more than one area model?
1/2 divided by ____ = 1/12
What is 1/2 divided by 6?
The start of the number line is 3,
3 and 3/6 is in the middle,
and 4 is the end of the number line.
EXAMPLE: How would you build a number line for the fraction three and five sixths?