FRACTIONS Inbox Task Silently complete your inbox task
FRACTIONS
Inbox Task • Silently complete your inbox task
Simplifying Fractions •
Simplifying Fractions •
Multiplying Fractions
Multiplying Fractions •
Multiplying Fractions • Multiply the tops (NUMERATORS) AND Multiply the bottoms (DENOMINATORS) • The Rule: Multiply straight across
Multiplying Fractions •
12. Before Mrs. Smith ordered another pizza, there was 2/3 of a pizza left. Tommy came in and ate 1/2 of what was left of the pizza. The class was mad that Tommy ate half of it. Tommy said, "I only ate 2 pieces!" If there are 12 pieces in a whole pizza, how many pieces did Tommy eat? Was he lying or telling the truth?
• Why is the answer always a smaller fraction when we multiply proper fractions together? Can you think of any instances when we multiply two fractions and get an answer that is larger than both of the fractions?
Dividing Fractions
Dividing Fractions •
Dividing Fractions • Change the division sign to multiplication, flip the 2 nd fraction ONLY, and then follow the steps for "multiplying fractions".
• Why do we invert the divisor when we divide a fraction by a fraction?
Adding/Subtracting Fractions •
Adding/Subtracting Fractions 1. Steps: 2.
Jeopardy Review • http: //www. math-play. com/Fractions-Jeopardy/fractions- jeopardy. html
• http: //www. brainpop. com//math/numbersandoperations/m ultiplyinganddividingfractions/quiz/ • dekalbcs • dekalb
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