Every number consists of digits. One digit is the least number of digits a number can have. The place value is the position of each digit in a number. <span>Digits are separated into groups of three by commas. So, a period is a group of three digits, but not any three digits. So, Drew's sentence is false. A period is a group of consecutive digits.</span>
From 5 to 100 is 10 (10,20,30,40,50,60,70,80,90,100)
from 110 to 200 is another 10
10+10=20
20 numbers
5•1=5
5•2=10
5•3=15
5•4= 20
5•5=25
5•6=30
There are multiple more, just keep multiplying by a number higher than 4
75 problems
3/5 of an hours is 36 minutes you can then do 45 over 36 mins and set it equal to x over 60 mins then you do 45 times 60 which equals 2700 then you divide 2700 by 36 and you get 75