CK-12 Foundation
Ck 12: Arithmetic: Addition of Fractions
[Free Registration/Login may be required to access all resource tools.] Add fractions and mixed numbers with like and unlike denominators
Varsity Tutors
Varsity Tutors: Hotmath: Practice Problems: Percents 2
Twenty-eight problems present a variety of percent topics: percents as fractions, improper, and mixed numbers, percents as decimals, simple interest, and percent of increase/decrease. They are given with each step to the solution...
Varsity Tutors
Varsity Tutors: Hotmath: Practice Problems: Percents 1
Twenty-five problems present a variety of percent topics: percents as fractions, improper, and mixed numbers, percents as decimals, simple interest, and percent of increase/decrease. They are given with each step to the solution cleverly...
CK-12 Foundation
Ck 12: Arithmetic: Factor Pairs
[Free Registration/Login may be required to access all resource tools.] Determine the factor pairs of given numbers.