Embed Size (px)
Citation preview
4251 3
0011 0010 1010 1101 0001 0100 1011
Welcome to 8th Grade Math!!
Mr. Keith Jenkins
Room 222
(check your schedule)
4251 3
0011 0010 1010 1101 0001 0100 1011
Vocabulary
• Ascending: • Descending:• Integer:• Rational number:• Equivalence:
4251 3
0011 0010 1010 1101 0001 0100 1011
Vocabulary• Ascending: increasing in size
• Descending: decreasing in size
• Integer: whole numbers (positive & negative)
• Rational number: can be expressed as a
quotient of two integers
• Equivalence: a state of being essentially equal or
equivalent
4251 3
0011 0010 1010 1101 0001 0100 1011
Math Warm-up
• How many times can you subtract the number 5 from 25?
4251 3
0011 0010 1010 1101 0001 0100 1011
Math Warm-up
• How many cubic meters of dirt are in a hole 6 meters long, 2 meters wide, and one meter deep?
8-1
4251 3
0011 0010 1010 1101 0001 0100 1011
Index Cards
• Find the person with your equivalent representation. Form a group.
• Finish the Relating Rational Numbers handout
4251 3
0011 0010 1010 1101 0001 0100 1011
Strategies
• What strategy can you use to verify a fraction is equivalent to a percent?
• What strategy can you use to verify a decimal is equivalent to a percent?
• What strategy can you use to verify a percent is equivalent to a fraction?
• What strategy can you use to verify a percent is equivalent to a decimal?
4251 3
0011 0010 1010 1101 0001 0100 1011
Visual StrategyFraction
p/q
Decimal0.xxxx
PercentX%
Strategy
Strategy
Strategy
4251 3
0011 0010 1010 1101 0001 0100 1011
Questions
• What 2 consecutive integers is your rational number between?
• Name a rational number greater then your rational number.
• Name a rational number less than your rational number
4251 3
0011 0010 1010 1101 0001 0100 1011
Relating Rationals Handout
• What strategy can you use to write a fraction as a percent?
• What strategy can you use to write a decimal as a percent?
• What strategy can you use to write a percent as a fraction?
• What strategy can you use to write a percent as a decimal?
