factors: the numbers that are multiplied to give a product example: 3 x 4 = 12 factors product
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Factors: The numbers that are multiplied to give a product
Example:
3 x 4 = 12Factors Product
Prime Number: Any whole number greater than 1 and has exactly 2 factors, the number itself and 1
Example: 7
is a
prime number
7 x 1= 7 therefore
Non -Example
7 only has 2 factors 1 and 7, therefore it’s a prime
number.
1 x 9 = 9
3 x 3 = 9
9 is a NOT prime
number
9 has 3 factors 1,3, and 9, therefore it’s NOT a prime number.
therefore
The Parts of Division
3 4 3DIVISOR 14
QUOTIENT
DIVIVEND1
R1 REMAINDER
ROUNDING HOUSE PARTYRound 24.7 to the nearest whole number.
24 7 24 7
Knock! Knock!
Hello?!
24 7
Are you a 5 or greater?
YES!!!
25
Then Join the
PARTY!!
Place whole number in house party box
The Number outside knocks to come inside
The number must be a 5 of greater to come
inside the party
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:
376Whole Number
Decimal Point
45Tenths Hundredths
How you say it: Three hundred seventy six and forty five hundredths
Decimal point: separates the whole number and the decimal number
Example:
376Whole Number
Decimal Point
45Tenths Hundredths
Fraction: Names part of a set or part of a region
Example of set:
23
Of the set is shaded.
Example of region
27
Of the region is shaded
Parts of a Fraction
59
Numerator
Denominator
How you say it: Five ninths
What clue words let me know I should Add (+)?
Add sum
addition
All together
combined
greater
gain
total
plus
What clue words let me know I should subtract (-)?
subtractdecreased
Take away
minus
reduced
How many fewer than?
How many left?
Less than
Loss of
How many more than?
What clue words let me know I should division (÷)?
each
per
every
Divided by
Equal parts
How many for each?
into
divisorHow many groups?
What clue words let me know I should multiply (x)?
multiply each
times
All together
at
every
Groups of
totalproduct
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 hundredsStep 1: Identify digit in the hundredsStep 2: Identify the its neighbor to its rightStep 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
Copyright ©, Long Beach Unified School District. All rights reserved.- Grade 5
4 10
2 5
2 5
6
15
You can multiply both the numerator and denominator of a fraction by any number except zero to find equivalent fractions.
Ch. 16 L 2
Copyright ©, Long Beach Unified School District. All rights reserved.- Grade 5Ch. 16 L 2
You can divide both the numerator and denominator of a fraction by any number except zero to find equivalent fractions.
4 6
8 12
4 6
2 3
Copyright ©, Long Beach Unified School District. All rights reserved.- Grade 4 19
129
43
2 6
2 3
3 31
1
3 3=
322129
43
6
2 3
31
1
3 3=
322 ×
Simplifying Fractions!
×
×
Simplest Form
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