Transcript Factors: The numbers that are multiplied to give a product

Factors: The numbers that are
multiplied to give a product
Example:
Factors
Product
3 x 4 = 12
Prime Number: Any whole number greater than 1
and has exactly 2 factors, the number itself and 1
Example:
7 x 1= 7
7
Non -Example
is a
1x9=9
prime
number
3x3=9
7 only has 2 factors 1 and 7,
therefore it’s a prime
number.
9
is a NOT
prime
number
9 has 3 factors 1,3, and 9,
therefore it’s NOT a prime number.
The Parts of Division
QUOTIENT
DIVISOR
14 R1
3 4 13
REMAINDER
DIVIVEND
ROUNDING HOUSE PARTY
Round 24.7 to the nearest whole number.
Knock!
Knock!
Hello?!
Are you a 5
or greater?
YES!!!
24 7 24 7 24 7
Place whole number in
house party box
The Number outside
knocks to come inside
Then Join
the
PARTY!!
The number must be a
5 of greater to come
inside the party
25
The number of
the party goes
up 1 because 1
more has been
added!
Decimals: a number with one or more
places to the right of the decimal
Example:
Decimal Point
376 45
Whole Number
Tenths Hundredths
How you say it: Three hundred seventy
six and forty five hundredths
Decimal point: separates the whole
number and the decimal number
Example:
Decimal Point
376 45
Whole Number
Tenths Hundredths
Fraction: Names part of a set or part of
a region
Example of set:
2
3
Of the set
is
shaded.
Example of region
2
7
Of the
region is
shaded
Parts of a Fraction
Numerator
Denominator
5
9
How you say it: Five ninths
What clue words let me know I should
Add (+)?
All together
Add
addition
total
sum
gain
combined plus
greater
What clue words let me know I should
subtract (-)?
minus How many left?
decreased
reduced
subtract
Loss of
Take away
How many fewer than?
Less than
How many more than?
What clue words let me know I should
division (÷)?
into
Divided by
each
every
divisor
per
Equal parts
How many for each?
How many groups?
What clue words let me know I should
multiply (x)?
All together
multiply
times
total
each
Groups of
at
every
product
Estimate: An approximate number
rather than and exact number.
There are an
estimated 300 jelly
beans in the jar.
Equivalent Fractions: Fraction that
have the same amount
Rounding: Expressing a number to the nearest
ten, hundred, thousand and so on
Example: Round 45,678 to the nearest hundreds
Step 1: Identify digit in the hundreds
Step 2: Identify the its neighbor to its right
Step 3: If the right neighbor is a 5 or greater raise the
hundred up 1 it is not the hundred stays the same.
Step 4: Rewrite the number turning all numbers before the
hundreds into zeros.
45,678 45,700
Negative Number: any number less
than zero
-3
+3
You can multiply both the numerator and denominator of a fraction
by any number except zero to find equivalent fractions.
2
5
4
10
2
5
Ch. 16 L 2
Copyright ©, Long Beach Unified School District. All rights reserved.- Grade 5
6
15
You can divide both the numerator and denominator of a fraction
by any number except zero to find equivalent fractions.
8
12
4
6
4
6
2
3
Ch. 16 L 2
Copyright ©, Long Beach Unified School District. All rights reserved.- Grade 5
Simplifying Fractions!
3 3
9
1
=
12
2 6
2
Simplest Form
3× 3
2× 2× 31

3
4
3
Copyright ©, Long Beach Unified School
District. All rights reserved.- Grade 4
19