Transcript cbell_si_presentation

NUMBERS AND
OPERATIONS
PRESENTED BY
COLETTE BELL
FACILITATORS:
EUGENIO GANT
&
YVONNE JENIOUS
FEAR
FACTOR
WHAT IS YOUR
GREATEST FEAR
ABOUT MATH?
BE SPECIFIC
PLACE VALUE
WHY IS PLACE VALUE
IMPORTANT?
IDENTIFY THE PLACE VALUE
IN EACH NUMBER.
• 4825
• 12,254
• 7.2
• 92.34
ORDER OUT!
HOW IS MULTIPLICATION
RELATED TO DIVISION?
• BROWN TEDDY BEAR $8.00
• WHITE TEDDY BEAR $10.00
• BART $5.00
• UMBRELLA $4.50
• BOOK $12.50
• DECK OF CARDS $0.95
BELL’S HOME COOKING
• ENTREES SERVED WITH CHOICE
OF STEAMED VEGGIES,
STEAMED BROCCOLI, GREEN
BEANS, SWEET POTATO, WILD
RICE, BAKED POTATO, MASHED
POTATOES. OR AUSSIE CHIPS.
INCLUDES A BEVERAGE TOO.
• GRILLED CHEESE……………$4.45
• CHICKEN FINGERS…………$4.95
• CHEESE BURGER……………$4.95
• GRILLED CHICKE……………$4.45
• BBQ RIBS………………………$6.95
DESSERTS:
HOT FUDGE SUNDAE………….$1.95
BROWNIE…………………………..$0.85
ORDERING
SCENARIOS
• You receive $50.00 to share
among the group. How much
money can each person spend
and stay within their budget?
• You receive $75.00 to share
among the group, but you
must pay the waiter a tip of
$10.00. How much can each
person spend and stay within
their budget?
M&M
CANDY FACTORY
HOW ARE COMMON FRACTIONS
AND DECIMAL FRACTIONS
RELATED?
WHAT IS PART OF A WHOLE?
WHAT IS AN EXAMPLE OF A
FRACTION?
WHAT IS AN EXAMPLE OF A
DECIMAL FRACTION?
DIVISION STORIES
IS DIVISION EQUAL SHARING?
WHAT DO YOU DO WITH THE
LEFTOVERS? (4TH)
WHAT ARE THE FOUR BASIC
OPERATIONS IN MATH?
• ADDITION
• SUBTRACTION
• MULTIPLICATION
• DIVISION
WORD PROBLEMS
1. Jan bought 8 bags of marbles
every day for 5 days. There
are 70 marbles in each bag.
How many marbles does Jan
have?
2. The refreshment committee
needs 500 plastic cups for
the dance. If cups are sold in
packages of 150, how many
packages need to be
purchased?
WORD PROBLEMS
1. Greg paid $48.60 for 12
gallons of gas for his truck.
What was the price for each
gallon of gas?
2. Grandma made 360 cookies
to share between 15 classes.
How many cookies will each
class receive?
3. What is the sum of ten and
eight divided by six?
SKIP COUNTING
3RD & 5TH
HOW ARE MULTIPLICATION AND
ADDITION ALIKE AND
DIFFERENT?
•3x4
•8x5
• 12 x 6
WHAT IS A MULTIPLE?
IT THE SAME AS SKIP
COUNTING?
NUMBER BUILDING
4TH & 5TH
WHICH MATHEMATICAL
OPERATION COMES FIRST?
2+3x4
Word problem: John mows
lawns for $4.00 an hour. He
mows the lawn in three hours
plus he receives a $2.00 tip
because he did a good job.
How much does John make?
4x3+2
PLEASE EXCUSE MY
DEAR AUNT SALLY
• PEMDAS
• P = PARENTHESIS
• E = EXPONENTS
• M = MULTIPLICATION
OR
• D = DIVIDE
(IN ORDER FROM LEFT TO RIGHT)
• A = ADDITION
OR
• S = SUBTRACTION
(IN ORDER FROM LEFT TO RIGHT)
NUMBER BUILDING
4TH & 5TH
TARGET NUMBER – 20
5 5 6 2 (ACE) = 1
POSSIBLE SOLUTIONS:
• 5 x 2 + 5 + 6 – 1 = 20
• ( 6 x 5 ) – ( 2 x 5 x 1 ) = 20
• ( 6 ÷ 2 ) x 5 + ( 5 x 1 ) = 20