Every quiz stays on one lesson topic. Choose the lesson first, then choose Foundation, Beginner, Intermediate or Advanced. This keeps each practice session focused on one calculation skill at a time.
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Build the MedMaths Need / Have / Find / Match map before arithmetic. Use the current authorised order and verified current product, and separate arithmetic inputs from clinical/order information that still needs checking.
Keep the value and unit together, name the target unit, use the correct relationship, and check whether the number should grow or shrink before you calculate.
Read the medicine amount and liquid volume as a pair, understand per-mL concentration, separate strength from total container volume, recognise equivalent strength formats, and stop when a dry-powder label does not yet provide liquid information.
Read decimal place value, connect common fractions to decimals, write medication decimals clearly, and round the final answer only when instructed.
Use six core rights — patient, medicine, dose, time, route and documentation — as a safety pause around the maths. Then apply broader safeguards such as reason/indication, response/monitoring, patient choice, barcode and high-risk checks, active-order verification, and the question: can this dose actually be delivered safely with the authorised product/formulation?
Stay with mg-to-mL throughout. You may see familiar alternative medicine names and spellings. Medication names, doses, strengths and schedules are educational calculation inputs. Their inclusion does not mean MedMaths recommends or validates the regimen. In clinical practice, use the active medication order and current medicine-specific reference.
Use practice medication orders to calculate tablet and capsule counts, then keep the maths separate from product-specific splitting, opening and enteral-tube checks. You may see familiar alternative medicine names and terminology. Medication names, doses, strengths and schedules are educational calculation inputs; they do not mean MedMaths recommends or validates a real-world regimen.
These are practice orders for calculation, not prescribing advice. Some examples use current medicine labels; others use fictional practice medicines. You may see common alternative medicine names such as acetaminophen/paracetamol, cephalexin/cefalexin, and valproic acid/sodium valproate. Real clinical dosing still requires the active order and current medicine-specific reference.
These are fictional practice medication orders for calculation and training-scale reading, not medicine-specific dose, preparation or administration recommendations. Calculate the exact mL target first, then read the labelled illustrative training scale. Real device choice, route, preparation and permitted rounding come from the actual product instructions and local clinical process.
Some named medicine examples use current product information, while other exercises use clearly fictional practice medicines. Every dose remains practice data for calculation. In clinical care, verify the exact product, strength, presentation and route, use the current product-specific preparation instructions and applicable local procedures, and do not transfer a practice reconstitution volume to a real product.
Use supplied fictional practice dilution relationships to label C1, V1, C2 and V2, read final-volume wording literally and solve the missing value. These numbers are calculation data only, not product-specific preparation instructions. A simple C1V1 = C2V2 dilution tracks the same medicine/solute amount while added diluent contributes no additional tracked medicine; mixing two solutions that both contain the tracked medicine is a different problem. Verify compatible concentration bases — a bare % is not enough, and % w/w is not treated as a generic volume concentration. In real care, verify whether dilution is required, the diluent, target concentration, compatibility, preparation method, measurable precision and administration instructions from authorised product and local guidance.
These are fictional practice intravenous (IV) volume-time-rate numbers for arithmetic only. Each question treats the stated rate as constant over that interval and uses the specified practice volume. To calculate one of volume, time or rate you need the other two connected values from the same interval; if that information is missing, stop rather than guess. The quiz does not choose a real patient’s fluid, ordered volume or volume to be infused (VTBI), rate, device, monitoring plan or whether an infusion is clinically appropriate.
These quizzes use fictional practice intravenous (IV) infusion numbers for arithmetic only. The target in this lesson is the volumetric infusion rate in mL/hr: liquid volume per hour, not a medication dose rate such as mg/hr. Use the specified practice volume and time from one active order / one constant-rate interval; in real pump workflows, the ordered rate and volume to be infused (VTBI) are separate values that must be verified. Convert minutes to hours when needed, keep working precision until any stated final rounding instruction, and reverse-check with rate × time = volume. Pump mL/hr is also different from gravity gtt/min, which requires a tubing drop factor. A correct arithmetic result does not select therapy, authorise administration, or provide device-specific programming instructions; real care still requires the verified order, device instructions, relevant guidance and local policy.
These are fictional practice intravenous (IV) infusion-time arithmetic scenarios. Use the stated/verified volume that still needs to run and the stated current mL/hr rate from one constant-rate interval. In a real pump workflow, a volume to be infused (VTBI) must represent the intended volume for that workflow rather than being inferred from a nominal container label. Use the current/active rate for the current interval; a ceased rate belongs to an earlier interval. Calculate duration first, keep working precision, convert only the decimal-hour part into minutes, and add a start time only when a finish time is requested. The clock finish time is conditional on the stated interval continuing unchanged; if the infusion is paused or the rate changes, the previous uninterrupted-running estimate no longer applies unchanged. Pump mL/hr is not gravity gtt/min; gravity calculations additionally require a tubing drop factor. The arithmetic does not select fluid therapy, authorise administration or provide device-specific programming instructions. If a required volume or rate is missing, or source entries conflict, stop and clarify rather than inventing a number.
These are fictional practice intravenous (IV) gravity-drip arithmetic scenarios. Use the gtt/mL drop factor stated for the current IV tubing / administration set; never infer or guess a missing factor. Keep time in minutes for gtt/min and round only the final rate when a whole-drop answer is requested. The calculation produces an initial gravity target, not proof of delivered flow or permission to change the administration method. Observe and reassess gravity flow according to the clinical context, product/device instructions and local policy. If the current volume, time or tubing factor is missing or conflicting, stop and clarify before calculating.
These are fictional practice intravenous (IV) medication-over-time arithmetic scenarios. Use the supplied concentration and a verified or calculated infused volume for one stated interval to calculate a medication amount in mg. If volume is inferred from mL/hr × time, the rate and uninterrupted elapsed time must describe the same interval. The result is a calculated/expected amount from the supplied values; it does not independently verify actual pump performance, line delivery or exact patient exposure. The numbers are calculation practice, not medicine-specific prescribing, preparation or administration instructions. A correct answer does not authorise administration or verify device programming. If concentration, rate, infused volume, elapsed time or preparation information is missing or conflicting, stop and clarify rather than inventing a value.
These are fictional practice intravenous (IV) medication-rate arithmetic scenarios using supplied exercise values, not medicine-specific prescribing, preparation or administration instructions. The result is a calculated medication dose rate represented by the supplied concentration and matching current solution rate; it does not independently verify actual pump output, line delivery or exact patient exposure. Keep volumetric infusion rate in mL/hr separate from medication dose rate in mg/hr or mg/min. Use one verified current concentration and its matching current mL/hr from the same infusion state; if a required value is missing, conflicting or not clearly current, stop and clarify rather than inventing a value. A smart pump may request dose-rate and infusion-rate fields differently depending on its drug library and configuration, so a correct arithmetic result does not authorise administration or replace device-specific programming checks.
Use fictional practice infusion values to move between mcg/kg/min (micrograms/kg/min) and mL/hr. These are arithmetic exercises, not medicine-specific prescribing, preparation, titration or administration instructions. Use the authorised/verified dosing weight and the current concentration and pump rate that belong to the same infusion state. If required values are missing, conflicting or from different bag/order states, stop and clarify rather than inventing a value or mixing values from different infusion states. Reverse arithmetic gives the dose rate represented by the supplied inputs; it does not verify actual physical delivery to the patient.
Use fictional practice values to calculate an already-authorised IV medication-rate change. The documented change point is the arithmetic boundary for the exercise, not proof that a new rate or concentration reached the patient instantly. Finish BEFORE, verify the active authorised target plus the concentration and any dosing weight that apply AFTER, then recalculate. Calculated rates and interval amounts are represented by the supplied values; they do not independently verify actual pump output, line transit or patient exposure. These are arithmetic exercises, not medicine-specific prescribing, titration, preparation, pump-programming or administration instructions.
Every medicine label, range, maximum and dose in this quiz is fictional practice data supplied inside the question. Confirm that the supplied reference row matches the stated context, keep mg/kg/dose separate from mg/kg/day, apply a maximum only on its stated basis, match units and time basis before comparing, and stop when required information is missing, conflicting or creates an inverted range. A result of ‘within the supplied reference limits’ is an arithmetic comparison — not medicine-specific dosing guidance or permission to administer.
These are practice calculations for error-checking, not medicine-specific dose recommendations or permission to administer. Use UNIT → VALUES → UNITS → SIZE → LIMITS → REVERSE. A surprising result is a reason to verify the source information and arithmetic, not to move a decimal, invent a missing value or change an authorised order until the answer looks familiar.
Pure arithmetic questions use fictional medication labels. Real medicine names appear only for source-backed safety teaching. Keep units as units, use the authorised/current order and exact current units/mL preparation from the same calculation state, and use only the verified dosing weight when /kg is present. Do not invent a units-to-mg conversion, turn a mathematical mL result into device instructions, or treat correct arithmetic as permission to administer or program a device.
Pure arithmetic questions use fictional medication labels and practice-only mg/m² values, maxima and BSA scenarios. They are not treatment recommendations, protocols, prescribing instructions, dose caps or permission to administer. Keep BSA in m² separate from mg/m², and keep /dose, /day and the schedule exactly as written in the active instruction. For MedMaths practice, preserve full calculator precision through the BSA-to-dose chain unless the exercise explicitly says otherwise; clinical rounding follows the active protocol, product information, approved system or local policy. Use verified current patient measurements, the required BSA method and only source-specified BSA caps, dose maximums or weight methods.
Pure arithmetic questions use fictional medication labels and constructed practice values. Keep the current order, current verified dosing weight, current product/preparation and matching reference in the same current calculation state, keep /dose and /day separate, match single-dose and daily limits to the correct time basis, and stop if required source data are missing or conflicting. Clinical teaching points about metric weight, approved emergency estimation, larger-child/adult limits, obesity, oral-liquid measurement and enteral administration come from current authoritative sources. The maths does not choose a medicine, dosing-weight method, treatment dose, range, maximum, preparation, device or administration plan.
Practice arithmetic only. Use the current authorised kilogram weight basis supplied for the exercise. 100-50-20 mL/kg/day is the daily Holliday–Segar maintenance method; 4-2-1 mL/kg/hr is a simplified rounded hourly shortcut based on it, so hourly ×24 does not have to equal the daily result. A full-maintenance formula result does not decide whether IV therapy is needed, choose fluid composition, create a universal restriction percentage or large-child cap, replace deficits or ongoing losses, provide resuscitation, set monitoring, or define pump precision. This MedMaths pathway is scoped to 28 days to 18 years, while neonates and important condition-specific populations need separate guidance.
The equation stays connected to the lesson. What changes is the amount of reading, interpretation and decision-making around it.
Level 1
Identify the formula and the values that belong in it.
Level 2
Calculate direct questions with clearly stated information.
Level 3
Interpret per-dose and daily totals with added context.
Level 4
Reason through changes, conversions and distracting details.
