• XtraMath®

XtraMath is a free web program for students, parents, and teachers. The XtraMath mobile app (AppStore, Google Play, and Amazon) is *not* free.  If you would like access to XtraMath for your child, please contact Dr. Hopkins.

The following information is quoted directly from the XtraMath website.

• XtraMath® helps students transition from counting or calculating the basic math facts to recalling them. Quickly recalling math facts, instead of calculating them, frees up mental resources for higher-level operations.

• XtraMath’s timed activities encourage students to answer questions as quickly as possible. When combined with the spaced repetition of problems, this efficiently develops recall. The three-second threshold is carefully selected to be long enough to type in a recalled answer but not long enough for the student to comfortably enter a counted or calculated answer.

• Students should have already learned the basic counting or calculating strategies, and be able to solve the problems without time pressure, before starting to practice an operation with XtraMath.

In XtraMath, we use certain generic terms in a specific way. This glossary explains those terms.

• Activity: a quiz or practice that takes about two minutes. Each session consists of three or so activities.
• Assignment: refers to which program is assigned to a student.
• Mastery: a student’s progress toward completing an operation in Xtramath. Learn about the mastery score and mastery matrix.
• Operation: a mathematical operation such as addition or multiplication.
• Practice: refers to one type of activity. These activities are known to students as “Race the Teacher.” The practice activities use a technique called “spaced repetition” that focuses on a few facts at a time and repeats them at increasing intervals to encourage memorization and recall. Performance on practice activities does not affect the student’s mastery score.
• Problem Set: the set of problems that a student will practice within an operation. For addition and multiplication, this is typically all single-digit combinations, for example 2 + 2 or 9 ⨉ 9. For subtraction and division, it is all of the inverse problems from addition and multiplication, for example 4 − 2 or 81 ÷ 9. In alternative programs an operation’s problem set can be reduced or expanded — read about XtraMath programs for more detail.
• Program: a collection of one or more operations that can be assigned to a student. A program also specifies a threshold and a problem set for its operations. Learn more about XtraMath programs.
• Quiz: an activity used to measure a student’s mastery of an operation. There are two types of quizzes — “placement” and “progress.” A student’s initial mastery score is determined by several placement quizzes, taken when beginning an operation. After placement, the student takes a progress quiz as the first activity of the first session of the day.
• Session: a short series of activities, lasting no more than ten minutes. A session begins when a student signs in, and is considered complete once the student has finished all activities and signed out.
• Threshold: students must answer a problem correctly within a three-second threshold for the answer to be considered recalled rather than counted or calculated. Correct answers within the threshold get a smiley face. Correct answers beyond the threshold get a green checkmark. In alternative programs the threshold can be increased to six seconds, or decreased to two or one and a half seconds.
• Timeout: refers to the ten seconds that the student has to enter the answer to a problem. Upon timeout, the answer is shown with an hourglass icon. The student must enter the answer to continue on to the next problem.