Chapter 2 Vocabulary Flashcards
Estimate
A calculated guess that is close to the exact number
An estimate that is close to the number
Reasonable
Using the front digit to get an estimate
Front end estimation
To give an approximate value
Ex:
To round to the nearest one hundred
3,425 would be rounded to 3,000
Rounding
Answer when one number is multiplied by another
Ex:67x42
Product
Answer when one number is divided by another
Ex:129/3=43
Quotient
The number in the division problem that is being divided into the dividend
Ex:129/3=43
Divisor
The number in a division problem that is being divided
129/3=43 is the dividend
Dividend
The numbers that you can multiply to get the product or multiple
Ex:3x4=12
Factor
The product or answer to a multiplication problem
Ex: list the numbers of 12 12,24,36,48,60
Multiple
The smallest multiple two or more numbers have in common
Ex:list multiples of 6 and 8
6,12,18…………………..
8,16,24………………….
Least common multiple
A factor that has two or more numbers in common
Ex:list factors of 4 and 6
1,2,4
1,2,3,6
Common factor
The largest factor that two or more numbers have in common
Find the GCF of 12 and 36……………………………………………
Greatest common factor
A number that has only two factors 1 and itself
EX:5 only factors of 5 and 1
Prime number
A number that has THREE or more factors
Factors of 16 1,2,4,8,16
Composite number
