equivalent fractions and decimals course 1 – 6 th grade
TRANSCRIPT
Equivalent Fractions and Decimals
Course 1 – 6th Grade
Do Now
What is the place value
of 3 in 654.213?
Definition
place val·uenoun
the numerical value that a digit has by virtue of its position in a number
What is the place value
of 7 in 43.7915?
What is 234 ÷ 15?
What is 145 ÷ 3?
Lesson
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.
0 1
Definition
e·quiv·a·lentadjective
having the same value; equal or interchangeable in value, quantity, significance, etc.
Fractions to Decimals
STEPS:
1) Read fraction
2) Set up division problem
3) Add 0’s to thousandths place
4) Solve
Example: 1/5
Definition
terminating decimalnoun
a decimal number that ends
Fractions to Decimals
STEPS:
1) Read fraction
2) Set up division problem
3) Add 0’s to thousandths place
4) Solve
Example: 1/3
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
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
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
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
Mental Math…that means pencils down!!!
1) 4/10
2) 2/5
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
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
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
So which is better?
Are Fractions better than Decimals?
Are Decimals better than Fractions ?
Group A
1)
Group B
1) .33(.33)
Fraction/Decimal FACE-OFF
Group A
1)
Group B
1) .25 + .02
Fraction/Decimal FACE-OFF
Group A
1)
Group B
1)
Fraction/Decimal FACE-OFF