Math Facts Practice Test

A timed test on Friday, and no way to know which facts will run out of clock. That is the whole problem, and a stack of flash cards cannot solve it. Cards can tell you an answer was wrong. They cannot tell you that everything is fast and correct except ×7, ×8 and ×12. They also cannot tell you about the facts that come out correct but slow, which are exactly the ones that fail under a five-minute clock. This app keeps a record of every fact: how often it was right, and how long it took. Then it says which ones need practice, and builds a deck of exactly those. TWO WAYS TO PRACTICE A six-year-old and a nine-year-old are not the same child, so there are two modes and neither is a setup question. Flash cards, run by an adult. Show the problem, tap to reveal the answer, mark it right or wrong, or mark it without revealing anything, which is faster than the cardboard it replaces. The app can…