Transcript CC Benchmark 2 PowerPoint

Equivalent Comparing
Decimals & Fractions
Fractions & Decimals
Multiplying
Adding Fractions
with Denominators Fractions by
Whole Numbers
of 10 & 100
+/- Mixed
Numbers &
Separating
Fractions
100
100
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200
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Write 7/100 as a decimal, use a
model to justify your answer.
What is
0.07
What is the fraction for 0.75?
Write another equivalent fraction
for this decimal.
What is
75/100
Equivalent:
3/4, 6/8, 150/200,
etc.
DAILY DOUBLE
Sally has 1/4 of a dollar. How much
money does she have? Write another
fraction to represent how much money
she has.
DAILY DOUBLE
She has 0.25 cents
25/100, etc.
Find three equivalent
fractions for 2/5. Write
the decimal that is
another way to
represent those
fractions.
What are
4/10, 6/15,
40/100,etc.
What is
0.4 or 0.40
What is 2/8 as a
decimal? Write this
fraction in its simplest
fraction form.
What is 0.25
1/4 is its simplest
form.
Compare the
fractions:
3/5
6/8
3/5
<
6/8
Compare the decimals:
0.095
0.80
0.095
<
0.80
Danielle ran 5/9 of
a mile and Sarah
ran 8/12 of a mile.
Who ran farther?
Who is Sarah
Tim received a 0.8 on
his spelling test. Steve
received a 0.75. Who
had the lower score?
Justify your answer
using a model.
Who is Steve (0.75)
0.75
0.80
Compare the fractions:
Use 3 strategies to prove
you are correct!
9/12
11/15
9/12 > 11/15
Butterfly:
9 x 15= 135
11 x 12= 132
LCM: 12 x 5=60
15 x 4=60
45/60 > 44/60
6/10 + 30/100=
What is
90/100
Draw a model to show
the addition problem:
4/10 + 32/100=
What is 72/100
Judy ate 2/10 of a pizza,
Sally ate 45/100 of the same
pizza. What fraction of the
pizza is leftover?
What is 35/100 left.
20/100 + 45/100=
100/100- 65/100=
35/100
The teacher read 3/10 of the
chapter book last month &
20/100 this month. How much
of the book have they read?
(Write your answer in simplest
form)
What is 50/100
or half (1/2) of
the book.
Write an addition problem that
uses a denominator of 10 & one of
100. Make sure it is addition
problem that can be simplified.
Questions &
Answers vary!
DAILY DOUBLE
8 x 7/8=
DAILY DOUBLE
What is:
56/8= 7
Solve & Convert to a
mixed number:
9 x 9/12=
What is:
81/12= 6 9/12
Solve & Convert to a
mixed or whole #
5 x 12/20=
What is:
60/20= 3
Jenny jumped 3/4 of a
yard. Sue jumped 5
times as far. How far
did Sue jump?
What is:
5/1 x 3/4=
15/4= 3 3/4 yards.
One 4th grade class
ate 7 6/8 pizzas. The
other classes ate 5 times
as much. How much
did they eat?
What is:
38 6/8 pizzas
7 6/8 x 5=
62/8 x 5=
310/8= 38 6/8
Decompose the
following fraction:
9/15
What is
3/15 + 3/15 + 3/15
4/15 + 5/15
Etc. Answers Vary
Add the mixed number,
then break down.
2 1/8 + 1 2/8=
What is
3 3/8,
8/8 + 8/8 + 8/8 +1/8 + 1/8= 3 3/8
Answers vary
One 4th grade class ate 7
5/8 pizzas & a 5th grade
class ate 6 1/8 pizzas.
How much less pizza did
the 5th grade class eat?
(Be sure to simplify!)
What is
7 5/8-6 1/8=
1 4/8 or 1 1/2
The 5th grade class
ate 1 1/2 less pizzas.
Mom slept for 7 1/4 hours.
Dad slept 9 3/4 hours. How
much more time did Dad
sleep?
(Be sure to simplify)
What is
9 3/4 - 7 1/4=
2 2/4 or 2 1/2
Dad slept 2 1/2
more hours than
Jane and Tom are both biking in the
El Tour De Tucson. Jane biked the
26 2/10 miles race, while Tom biked
the 50 4/10 miles race. How much
farther did Tom bike in the race?
(Be sure to simplify)
What is
50 4/10 - 26 2/10=
24 2/10 or 24 1/5
Tom biked 24 1/5
miles farther than
Jane.