A.7 Numbers > Cube roots

http://www.ixl.com/math/algebra-1/cube-roots

A.6 Numbers > Square roots

http://www.ixl.com/math/algebra-1/square-roots

A.5 Numbers > Convert between decimals and fractions

http://www.ixl.com/math/algebra-1/convert-between-decimals-and-fractions

A.4 Numbers > Number lines

http://www.ixl.com/math/algebra-1/number-lines

A.3 Numbers > Absolute value and opposites

http://www.ixl.com/math/algebra-1/absolute-value-and-opposites

A.2 Numbers > Compare and order rational numbers

http://www.ixl.com/math/algebra-1/compare-and-order-rational-numbers

A.1 Numbers > Classify numbers

http://www.ixl.com/math/algebra-1/classify-numbers