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September 16, 2013
On page 8 –I can add, subtract, multiply and divide fractions and mixed numbers
Do Now:How do you feel about working with fractions?
(Do not copy the question. Restate the question in your answer. Make sure you are using complete sentences).
Operations with Fractions 9/16/13
• Operations with Fractions foldable (6-flap foldable)
Step 1 – Stagger three sheet of copy paper
Step 2 – Fold the top of the papers to meet the bottom about an inch.
Step 3 – Crease the fold and staple the top.
Step 4 – Label each flap
Step 5 – Copy the Vocabulary term.
• Proper fractions– fractions whose numerators are less than their
denominators
• Improper fractions– Fractions whose denominators are less than their
numerators
• Mixed numbers– Numbers with whole numbers and a proper fraction
• Reciprocal– A pair of factors whose product is equal to one (1)
VOCABULARY
Mixed Numbers Improper Fractions
• Multiply whole number by denominator
• Add numerator• Denominator keep!
• Divide numerator by denominator
• Use quotient as whole number
• Write remainder as numerator
• Keep denominator
MAD
TIBO
13 x 3 = 39
39 + 9 = 48
€
4813
€
9 44)4
-36 8
€
4 89
Adding & Subtracting
Adding Fractions• Find LCD if denominators are
unlike.• Find equivalent fractions using
the LCD.• Add the numerators. Keep the
denominator.• Add the whole numbers, if
needed.• Simplify.
€
2 56+1 4
5=
LCD = 30
€
2 56=2
30
1 45=1
30
25
24
€
4930
3
€
4 1930