Transcript Multiplying Fractions with Models

Multiplying Fractions with
Models
Notes
I can: multiplying fraction
to solve problems
½ x ¾ =3/8
Paste the
model in your
notebook.
Mark your
fraction model
in half with a
marker.
Example
Folderable
Notes
Proper Fractions
At the top of the folderable
3/8 x1/5 =3/40
At the bottom folderable
1. Multiply the numerators
2. Multiply the denominators
3. Simplify
Mixed Numbers
At the top of the folderable
2 2/3 x 3 ¼ =
8/3 x 13/4
26/3= 8 2/3
At the bottom of the folderable
1. Convert the mixed number
to an improper fraction
2. Double cross cancel
3. Multiply as you would a
proper fraction.
Example
Dividing Fractions Notes
Dividing Fractions Notes
I can: divide whole number
and fractions fluently
Reciprocals: help us to divide
fractions. A reciprocal of a
number is the value needed
to have a product of 1.
2x⃝=1
Rewrite 2 as 2/1 and then
what must I multiply my
numerator and denominator
by to create a product of 1?
9x⃝=1
7/8 x ⃝ = 1
3/4 x ⃝ = 1
Folderable Notes
Dividing Fractions
Proper Fractions
At the top of the folderable
7/8 ÷1/4 =3 1/2
At the bottom folderable
1. Keep 1st fraction
2. Change to X symbol
3. Flip the 2nd fraction
4. Multiply as you would a proper
fraction
Mixed Numbers
At the top of the folderable
2 1/2 ÷3 3/4 =
5/2 x 4/15= 2/3
At the bottom of the folderable
1. Convert the mixed number to
an improper fraction
2. KFC Rules
3. Double cross cancel
4. Multiply as you would a proper
fraction.