230 likes | 401 Views
Warm Up # 3. Divide: . 1.) 2.75÷2.5= Round to the nearest thousandth: 2.) 456. 4584 Simplify (CLT): -7 + 2x - 3 - 6x + 3 +x. Quiz on Friday . Chapter 2 LTs # 1 – 11 AND Chapter 1 stuff!. Add Fractions. Learning Targets. LT #10 : I can add fractions.
E N D
Warm Up # 3 • Divide: . • 1.) 2.75÷2.5= • Round to the nearest thousandth: • 2.) 456. 4584 • Simplify (CLT): -7 + 2x - 3 - 6x + 3 +x
Learning Targets • LT #10: I can add fractions. Before: 1 2 3 After: 1 2 3 1 = always 2 = sometimes 3 = not yet I have these questions: 7NS1.2
What do you notice about the numerators? 8 12 You ADD numerators 3 12 What do you notice about the denominators? + 11 12 The denominator STAYS THE SAME!
2 6 You ADD numerators 3 6 + The denominator STAYS THE SAME! 6 5
4 7 + 9 9 2 1 9 + Write sum of numerators over common denominator of 9. 4 7 4 7 + = 9 9 9 Add numerators. 11 = 9 Rewrite improper fraction as a mixed number. = Adding Fractions
7 2 9 1. ANSWER + 10 10 10 2 3 5 2. ANSWER + 9 9 9 1 4 2 3. ANSWER 1 + 5 5 5 2 5 4. 1 ANSWER + 7 7 Adding Fractions Find the sum.
3 7 –3 7 – can be written as . 6 7 –3 7 + 6 + (–3) 7 3 7 = Add & Subtract Fractions Add or subtract. Write each answer in simplest form 6 7 3 7 + –
IF I ADD AND ? HOW MUCH IS THAT?
IT’S REALLY HARD TO KNOW HOW MUCH THAT IS! SO BEFORE YOU TRY TO ADD THEM, MAKE IT SO BOTH FRACTIONS HAVE AN EQUAL NUMBER PARTS.
WHAT I MEAN BY EQUAL PARTS, IS MAKE IT SO BOTH FRACTIONS ARE CUT INTO THE SAME NUMBER OF PIECES. 3 PIECES 2 PIECES
WHAT IS THE ANSWER TO PLUS ? Giant One (horizontal) 2 6 1 3 • 2 • 2 (vertical) 3 6 • 3 • 3 1 2 + 5 6
That's all Folks! Take Out Your Learning Targets!
2 3 + ADD 6 6 2 Add Fractions With The Same Denominator LT #10 6 3 You ADD The numerators 6 + 5 2 + 3 6 The denominator stays the same!
One-Third Plus Two-Fourths LT # 10 Adding fractions with unlike denominators Giant One 4 12 1 3 •4 • 4 = 6 12 2 4 • 3 • 3 = + + ______________ 5 6 10÷ 12÷ 2 2
LT #10 Add Fractions • Find a common denominator 12 4 3 _ = 15 5 _ = 3 2)Add the numerators. 2 5 10 _ = 3) Keep the denominators the same. + 3 _ = 5 15 22 4) If possible reduce or simplify. Change improperfraction to mixed number. 1 15 15 15) 7 22 15 7
LT #10 Add Mixed Numbers 11 1 If Improper: Change to mixed number. 20 24 5 4 _ = 24 6 _ = 24 4 24 15 5 3 24) = 35 3 27 + 24 8 = 3 35 + 11 11 11 1 24 24 24 And add the mixed number to the whole number part of the answer. 28 IMPROPER
Assignment: • Topic: Extra Review Problems WS. # 1- 5 • Rewrite vertically on binder paper. • Show GIANT one and all work! • If the answer is improper, rewrite as mixed number. • Use your LT notes as examples.