Natural Numbers Flashcards
What are the natural numbers
1,2,,3,4,5,6,7,…………
What is a natural number
Positive whole numbers.
What is a factor
The numbers that multiply to get that number
What is the Hcf of two or more numbers
The highest number that divides into all the numbers
What is a prime number
A number that can only be divided by itself and 1
What is a composite number
A number that isn’t a prime
WHat are prime factors
The prime factors of a number are the factors of that number that are also prime numbers
What is the lcm of 2 or more factors
The smallest number that the numbers both divide into exactly
What do you do when…
3 to the power of 4 x 3 to the power of 5
Add indices to multiply when the bases are the same
What do you do when…
2 to the power of 6 over(divided) by 2 to the power of 4
Subtracts indices to divide when the bases are the same
What do you do when…
5 to the power of 2 to the power of 4 = 5 to the power of 8
Multiply the indices to raise from one power to another
What is birdmas used for
The order of when we do the sums
What does birdmas stand for
Brackets Indices Roots Division Multiplication Addition Subtraction
What is rounding used for
To estimate quantities
