Jenkins Academy of Applied Technology
Mathematics Readiness and Refresher
Refresh arithmetic, fractions, percentages, units, and calculation verification before technical mathematics.
MAT-100 · General Education · Applied mathematics
Start learning
All 9 lesson and review units are available for free public self-study. Use the original Academy lesson player, audible playback, calculator and downloadable calculation record. No purchase or sign-up is required.
Study preparation: None. Use the diagnostic to choose refresher lessons.
Practice and written responses are saved on the device you use when browser storage is available. They do not sync to your account. Keep a copy before changing devices or clearing browser data.
0.1 Readiness diagnostic
About 25 minutes of reading and practice. Open lesson →
1.1 Arithmetic and order of operations
About 20 minutes of reading and practice. Open lesson →
1.2 Fractions and decimals
About 20 minutes of reading and practice. Open lesson →
1.3 Percentages and change
About 20 minutes of reading and practice. Open lesson →
1.4 Signed numbers and estimation
About 20 minutes of reading and practice. Open lesson →
1.5 Counts quantities and units
About 20 minutes of reading and practice. Open lesson →
1.6 Calculator use and verification
About 20 minutes of reading and practice. Open lesson →
1.7 Stockroom application and study plan
About 20 minutes of reading and practice. Open lesson →
2.1 Readiness review
About 35 minutes of reading and practice. Open lesson →
Practice and completion
Practice is unlimited and includes explanations. Worked tasks ask you to show inputs, a method, units, an independent check and interpretation. The readiness targets and rubric support self-study; they do not issue a graded pass or prerequisite waiver.
Formal course enrollment, account-saved completion credit, shared program credit and certificates are not available. These lessons do not establish academic credit, CEUs, professional certification, examination readiness or workplace authorization.
Use the lesson tools
Start the play/pause reader above or below the lesson text and use stop when needed. Text stays readable when speech is unavailable. Calculator links open separately. Read a formula with its definitions and units; record your own calculation before opening feedback.
Download the calculation record →