1+1=3
The latest
import from Japan is Straight Ace a math program that has 150 sections to help
middle-school students the common core curriculum. Each section has a lesson –
on everything from addition to word problems – as well as 10 sample problems to
test mastery. The best part is that it works on iPhones, iPads and Android
systems so it can be used during downtime. A subscription costs $6.25 per month
with an annual plan.

