Measures of Central Tendency Mean Median Mode. Mean - Average Add and divide by number of data.

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Presentation transcript:

Measures of Central Tendency Mean Median Mode

Mean - Average Add and divide by number of data

Median – middle number -Order least to greatest -Find middle number

Mode – MOST often number that occurs most often

Range - Line them up -Subtract least from greatest

READ

Order of Operations P – Parenthesis ( ) First E – Exponents Second M/D OR D/M – Multiplication & Division whichever comes from….read a book from left to right A/S OR S/A – Addition & or Subtraction whichever comes first….read a book from left to right

Integers Positive Gained 10 yards, +10 Earned 5 dollars, +5 Negative I loss 8 points on my test. -8 The temperature fell 7 degrees. -7

READ

Coordinate Plane Quadrant I Quadrant IV Quadrant II Quadrant III x axis y axis

Plotting Points (+x,+y)(+x,+y) (+x,-y)(+x,-y) (-x,+y)(-x,+y) (-x,-y)(-x,-y) y axis x axis run (x, y) jump Start at (0,0) Run before jump

READ

Proportional Relationships involve multiplication or division by a specific number, never addition or subtraction. Multiply cross products (butterfly method)

Solving Proportions LABELS FIRST!!!!! Find Relationship Simplify, then find relationship Bat and Ball -Multiply numbers in the bat -Divide number in the ball

Proportions OK NO!!!

Read

GCF LCM Vertical T-chart with factor pairs. The first factor pair is always 1 x itself. Horizontal t-chart. List multiples. For finding when an even will happen AGAIN or at the SAME TIME.

READ

Adding & Subtracting Fractions Need common denominator, Add/subtract the numerators Leave denominator alone! Simplify/reduce

Adding & Subtracting Decimals Line up the decimals and bring down the decimal in your answer. Check if your answer makes sense

Read

Fractions to Decimals Top dog in the house!! DIVIDE 0.6

Decimals to Percents DP Move the decimal two places to the right. To Convert a Percent to Decimal, move the decimal two places to the left.

Common Equivalents

Read

Converting UNITS Customary SystemMetric System Use Formula chart. Set up proportions with labels. KHD B DCM BASE UNITS - Meters - Liters - Grams

READ and USE YOUR FORMULA CHART !!

Take your time! Continue to bubble as you answer questions until time ends. Highlighters are in teacher’s bucket. Highlight question being ASKED!!!

Read Carefully Take Your Time Relax Think Positively You’ve Got This… You are smart !