divide: . 1.) 2.75÷2.5= round to the nearest thousandth: 2.) 456. 4584
DESCRIPTION
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. - PowerPoint PPT PresentationTRANSCRIPT
Divide: .
1.) 2.75÷2.5=
Round to the nearest thousandth:
2.) 456. 4584
3)Simplify (CLT): -7 + 2x - 3 - 6x + 3 +x
Warm Up # 3
Quiz on Friday. Chapter 2 LTs # 1 – 11 AND Chapter 1 stuff!
AddFractions
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
EQUIVALENT FRACTIONS OF 2
3
2
3
4
6
6
98
12
WHAT IS THE ANSWER TO PLUS ?
+ =
1
31
3
1
3
1
3
2
3
8
12
3
12+
8 3ADD
12 12
11
12
What do you notice about the numerators?
You ADD numerators
What do you notice about the denominators?
The denominator STAYS THE SAME!
2 3ADD
6 6
2
6
3
6
5
+
You ADD numerators
The denominator STAYS THE SAME!
6
Adding Fractions
=97
94
+9
74 + Write sum of numerators over common denominator of 9.Add numerators.=
911
Rewrite improper fraction as a mixed number.=
92
1
9
7
9
4+
Adding Fractions
ANSWER 1
Find the sum.
2.93
92
+
1.107
102
+
3.52
54
+
4.75
72
+
ANSWER109
ANSWER95
ANSWER51
1
Add & Subtract Fractions
= 3 7
6 7
+ – 3 7
6 + (–3) 7
can be written as . – 3 7
–3 7
Add or subtract. Write each answer in simplest form
6 7
+ –3 7
EQUIVALENT FRACTIONS OF
2
3
4
6
6
9
8
12
2
3
23
22
2
333
2
344
LETS SAY I WANT TO ADD AND ?1
3
1
2
1
31
2
HOW MUCH IS THAT?
IF I ADD AND ?1
3
1
2
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 ?1
3
1
2(horizontal)
(vertical)
1
3
1
2
• 2
• 2
Giant One
• 3
• 3
2
6
3
6
5
6
+
Take Out Your Learning Targets!
6
6+
You ADD
The numerators
The denominator
stays the same!
Add Fractions With The Same DenominatorLT #10
6
2 + 3
2 3 ADD
6 6
2
3
5
One-Third Plus Two-FourthsLT # 10
______________
1
3
2
4
• 4
• 4
Giant One
• 3
• 3
4
12
6
12
10÷
12÷
+ 5
6
=
=
Adding fractions with unlike denominators
2
2
+
Add Fractions
45 23+ _ =
_ = _ =
_ =
10
12
2215
1) Find a common denominator
2) Add the numerators.
3) Keep the denominators the same.
LT #10
4) If possible reduce or simplify. Change improper fraction to mixed number. 15) 22
157
1715
33
15
1555
Add Mixed Numbers
24)35
1124
LT #10
3524
IMPROPER
11124
And add the mixed number to the whole number part of the answer.
1 1124
28 1124
565
+
_ = =
_ =24
3
443
8 =3
20
241524
If Im
proper
: Chan
ge to
mix
ed num
ber.
27+
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.