Representing Large Numbers
Write this number in expanded form:
9 758 521
9 000 000 + 700 000 + 50 000 + 8000 +500 +20 + 1
Write the next 10 multiples for the number 7.
7: 14, 21, 28, 35, 42, 49, 56, 63, 70, 77
List the factors for 12 from least to greatest.
1, 2, 3, 4, 6, 12
What is a prime number?
a number with only 2 factors.
Order this set of numbers from least to greatest:
585 214; 58 521; 75 852
58 521; 75 852; 585 214
Write the next 10 multiples for the number 9
9: 18, 27, 36, 45, 54, 63, 72, 81, 90
List the factors of 30.
1, 2, 3, 5, 6, 10, 15, 30
What is a composite number?
a number with more than 2 factors.
Write this number as a digit:
nine hundred seventy thousand eight hundred fifty-two.
970 852
What is the lowest common multiple for 3 and 4?
12
How can you use division to help find your factors?
Divide the multiple by different values and see if they result in a whole number.
Is 32 a composite number? How do you know?
Yes- it ends in two.
Yes- it has more that 2 factors.
Write this number in words: 585 014
five hundred eighty-five thousand fourteen
What is the lowest common multiple for: 6 and 8
24
Find the factors of 30 using a table representation.
see teacher answer
Create a factor tree for the number 12:
see teacher answer
Write this number in words: 9 758 021
nine million, seven hundred fifty-eight thousand twenty-one
What are the first 3 common multiples of 5 and 10?
10, 20, 30
Find the common multiples of 6 and 9 that are less than 100.
18, 36, 54, 72, 90.
List the prime factors for the number 28 using a factor tree to help.
2, 7