equivalent fractions and decimals course 1 – 6 th grade
TRANSCRIPT
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Equivalent Fractions and Decimals
Course 1 – 6th Grade
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Do Now
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What is the place value
of 3 in 654.213?
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Definition
place val·uenoun
the numerical value that a digit has by virtue of its position in a number
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What is the place value
of 7 in 43.7915?
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What is 234 ÷ 15?
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What is 145 ÷ 3?
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Lesson
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Option 1:Unencumbered by superfluous foliage in autumn, the tree branches stood stark and tall against the sky.
Option 2:
Free of extra leaves in fall, all the tree branches are visible.
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0 1
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Definition
e·quiv·a·lentadjective
having the same value; equal or interchangeable in value, quantity, significance, etc.
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Fractions to Decimals
STEPS:
1) Read fraction
2) Set up division problem
3) Add 0’s to thousandths place
4) Solve
Example: 1/5
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Definition
terminating decimalnoun
a decimal number that ends
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Fractions to Decimals
STEPS:
1) Read fraction
2) Set up division problem
3) Add 0’s to thousandths place
4) Solve
Example: 1/3
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Fractions to Decimals
STEPS:1) Read fraction2) Set up division problem3) Add 0’s to thousandths place4) Solve
5) If repeating, continue at
least to ten thousandths
place
6) Write a line over the portion of the
number after the decimal
that repeats
Example: 1/3
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Fractions to Decimals
STEPS:1) Read fraction2) Set up division problem3) Add 0’s to thousandths place4) Solve
5) If repeating, continue at
least to ten thousandths
place
6) Write a line over the portion of the
number after the decimal
that repeats
Example: 1/6
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Fractions to Decimals
STEPS:1) Read fraction2) Set up division problem3) Add 0’s to thousandths place4) Solve
5) If repeating, continue at
least to ten thousandths
place
6) Write a line over the portion of the
number after the decimal
that repeats
Example: 9/11
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Definition
repeating decimalnoun
a rational number in decimal form in which a group of one or more digits (where all digits are not zero) repeat infinitely
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Mental Math…that means pencils down!!!
1) 4/10
2) 2/5
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Decimals to Fractions
STEPS:
1) Say decimal in words
2) Circle the last digit in the lowest place value
3) Place the entire decimal
over the place value
4) Simplify
Example: .18
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Decimals to Fractions
STEPS:
1) Say decimal in words
2) Circle the last digit in the lowest place
value
3) Place the entire decimal
over the place value
4) Simplify
Example: .036
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Decimals to Fractions
STEPS:
1) Say decimal in words
2) Circle the last digit in the lowest place value
3) Place the entire decimal
over the place value
4) Simplify
Example: -3.13
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So which is better?
Are Fractions better than Decimals?
Are Decimals better than Fractions ?
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Group A
1)
Group B
1) .33(.33)
Fraction/Decimal FACE-OFF
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Group A
1)
Group B
1) .25 + .02
Fraction/Decimal FACE-OFF
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Group A
1)
Group B
1)
Fraction/Decimal FACE-OFF
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