Honest Little AppsChallenge collections

Small Health Habits · 27 original mini-challenges

Drink Routine Decisions

27 interactive scenarios about reminder timing, record accuracy and practical drink-routine organization.

Choose a response. See the reasoning.

Read the facts, pick the answer that best fits the stated goal, then open the explanation. Start with five or browse the full set. There is no timer or personal assessment; the useful part is understanding the choice.

These are original web companion exercises. They are independent of the app; answers and progress do not transfer. All people and records in the scenarios are fictional. They practise organization and interpreting supplied information, not diagnosis, treatment, dose decisions or health assessment.

01 / judgment

The reminder behind the meeting

Mira sets a reminder for 10:00, but her standing meeting runs from 9:45 until 10:30. Her goal is to see the reminder when she can respond, and the meeting time is fixed.

Show the worked answer

A. Move it to a convenient time after the meeting

The obstacle is a known timing conflict. Moving the reminder addresses that conflict directly, while extra alerts or different wording would still arrive during the same meeting.

Try next: Choose a time that fits Mira's actual next transition.

02 / reasoning

The unlabeled capacity

A desk note says bottle 750, with no unit. The owner wants a reliable reference for logging container volume and can still read the capacity marking printed on the original bottle beside the desk.

Show the worked answer

B. Copy the printed number and unit together

The available printed marking supplies both pieces of information. Copying its number and unit creates a traceable reference, whereas either assumption would introduce uncertainty that can be avoided here.

Try next: Write the capacity with its printed unit.

03 / reasoning

A total with one estimate

A fictional record contains a measured 200 mL entry and an estimated 300 mL entry. Its owner wants to show the combined amount while preserving how certain each original entry actually was when recorded.

Show the worked answer

C. 500 mL, with the estimated entry labeled

The arithmetic combines to 500 mL, but one input remains an estimate. Keeping that label alongside the original entries preserves information that the total alone would conceal from a reader.

Try next: Keep the estimate label visible beside the sum.

04 / judgment

Two people, similar containers

Two housemates use identical bottles and keep them on the same shelf. They want to reduce mix-ups without recording each other's drinking or changing the shelf, and both agree to simple removable personal labels.

Show the worked answer

A. Use the agreed removable labels

Personal labels solve the stated identification problem using the arrangement both people accepted. A leaderboard or assigned amounts would introduce unrelated decisions and would not directly distinguish the otherwise identical containers.

Try next: Choose labels both housemates can recognize.

05 / reasoning

The duplicated entry

A sample notebook records the same 250 mL event twice, with matching time and description. The owner confirms the second line was an accidental copy and wants the corrected total for that one event.

Show the worked answer

B. 250 mL

The confirmed duplicate describes no additional event. Removing only that duplicate leaves a single 250 mL record, and noting the correction preserves why the original sum should not be used afterward.

Try next: Mark the removed line as a confirmed duplicate.

06 / judgment

Packing at the wrong door

Jules leaves through the garage every morning, but the bottle reminder is attached to the front door. The goal is a noticeable departure cue, and Jules does not pass the front door before leaving.

Show the worked answer

C. Move the cue to the garage departure point

The current cue is outside the actual departure route. Placing it at the garage connects it to a location Jules encounters, directly addressing visibility rather than adding more detail to an unseen note.

Try next: Pick a visible spot on the real departure route.

07 / judgment

A seven-day logging question

A person wants to learn which days they remembered to make any drink entry. They do not want a volume comparison, and they will review the record after seven days using only that question.

Show the worked answer

A. Daily yes or no entry marker

A daily marker answers whether an entry was made on each day. The other formats collect extra detail that the stated question does not require and make the record more demanding to maintain.

Try next: Create seven dated spaces with a simple entry marker.

08 / writing

The ambiguous check label

A reminder reads water at 3 and its owner cannot tell whether three means a time, an amount, or a task number. The intended purpose is checking the bottle before a 3:00 departure from work.

Show the worked answer

B. Check bottle before 3:00 departure

The revised wording names both the action and its timing context. It resolves the specific ambiguity in the original label, while urgency or a reference to the usual thing leaves the meaning unclear.

Try next: Use the full action when saving the reminder.

09 / reasoning

A record crosses midnight

A person logs one drink at 11:55 p.m. and another at 12:10 a.m. They want calendar-day totals, and their record currently stores only times without dates, creating confusion when the two entries are reviewed later.

Show the worked answer

C. Add the actual date to each entry

Calendar-day totals depend on dates as well as clock times. Recording each actual date distinguishes the entries correctly, without assuming that a nearby time belongs to the same calendar day as its neighbor.

Try next: Attach the correct calendar date to both times.

10 / judgment

The missing return step

A bottle packing checklist works for leaving home, but the bottle often stays at the workplace overnight. The owner wants to address the return trip while keeping the successful morning checklist unchanged for now.

Show the worked answer

A. Add a check to the workplace closing routine

The recurring gap happens during the return trip. A workplace closing check targets that missing transition, while changes to the already-working morning routine would not directly address where the bottle is left.

Try next: Place one return check beside the closing task.

11 / reasoning

A smaller container calculation

A fictional cup has a capacity marking of 240 mL. An arithmetic exercise asks for one quarter of that marked capacity, with no suggestion about how much anyone should drink during the day.

Show the worked answer

B. 60 mL

Dividing 240 by four gives 60 mL. Four equal portions of 60 would rebuild the stated 240 mL capacity, so multiplication provides a quick independent check of the quarter calculation.

Try next: Check the result by multiplying it by four.

12 / judgment

An unverified refill stop

A walking plan lists a confirmed refill point at the starting venue and a possible one near the midpoint. The midpoint has not been checked, and the goal is a plan that clearly distinguishes known information.

Show the worked answer

C. Mark the midpoint as unverified

The midpoint currently has only possible status. Labeling that uncertainty preserves the difference between the two stops and creates a concrete verification task before anyone relies on the unconfirmed location during the walk.

Try next: Keep a verification question beside the midpoint stop.

13 / judgment

The unused detail field

A personal log includes a container-color field, but its owner never uses color to answer the question they track. They want faster entry while retaining date, recorded amount and whether the amount was estimated.

Show the worked answer

A. Remove the unused color field

Color contributes nothing to the stated review question, while the other named fields remain useful. Removing the unused field reduces entry work without discarding information the owner has specifically chosen to preserve.

Try next: Try the shorter format with one sample entry.

14 / reasoning

A typo caught by the source

A bottle label says 500 mL, but a copied reference card says 5,000 mL. The original label is available and clearly readable, and the owner wants the card to match that source exactly.

Show the worked answer

B. Correct the card to 500 mL

The clear original label resolves this transcription error. Correcting the copy to 500 mL restores agreement with its source; averaging would create a third value that neither document actually states here.

Try next: Record the corrected value and check the unit.

15 / judgment

When the routine has no desk

A reminder plan uses sitting at the desk as its cue, but Saturday has no desk time. The owner wants a weekend cue drawn from an activity that really occurs, such as packing for an outing.

Show the worked answer

C. Use the actual outing-packing event

The weekend plan needs a cue that exists in the weekend routine. Outing preparation is present in the scenario, so it offers a concrete anchor instead of relying on an absent weekday activity.

Try next: Write a separate weekend cue for the actual event.

16 / writing

Which note preserves the gap?

A person remembers making entries on Monday and Wednesday but has no reliable information for Tuesday. They want an honest three-day record and do not want to reconstruct Tuesday from what usually happens.

Show the worked answer

A. Tuesday: unrecorded

Unrecorded accurately describes the missing information. Copying a usual pattern or asserting zero would convert an unknown into a claimed observation, which the available facts do not justify for Tuesday in this record.

Try next: Use the unrecorded label without filling in an amount.

17 / judgment

The promised review question

A person is trying a new reminder time because the old alert arrived while commuting. After several days, they want to assess the specific change rather than evaluate unrelated features of their entire routine.

Show the worked answer

B. Did the alert arrive at a usable moment?

The trial changed timing to address a commuting conflict. Asking whether the alert became usable tests that practical purpose directly, while the other questions do not evaluate the reason for the change.

Try next: Put the timing question above the review notes.

18 / reasoning

Two records with different units

A fictional worksheet shows 0.5 litres in one line and 250 millilitres in another. It asks for their combined volume in millilitres and explicitly states that one litre equals 1,000 millilitres for this exercise.

Show the worked answer

C. 750 mL

Using the provided conversion, half a litre equals 500 millilitres. Adding the other 250 millilitres gives 750, after both original amounts have first been expressed in the same unit for comparison.

Try next: Show the conversion before writing the total.

19 / judgment

The repeated alert choice

A person dismisses four identical reminders because all four arrive during an uninterrupted class. Their goal is a single useful cue, and a break after class is available for reviewing the bottle setup then.

Show the worked answer

A. Use one reminder at the available break

One reminder at an available break fits the stated goal and known schedule. Adding alerts during the same inaccessible period repeats the original obstacle instead of changing the timing that caused it.

Try next: Set one clearly labeled reminder for the available break.

20 / judgment

A private sheet in a shared room

A person wants to keep a drink log private, but its current printout sits on a shared kitchen board. A private drawer is available, and the goal is personal access without displaying the entries to housemates.

Show the worked answer

B. Move the printout to the private drawer

The available drawer supports the person's stated privacy preference while keeping the record accessible to them. Increasing visibility or publishing the page would move in the opposite direction from that preference in this scenario.

Try next: Choose a consistent private storage spot for the sheet.

21 / reasoning

The actual amount and capacity

A fictional bottle can hold 700 mL, but a log describes a measured 400 mL amount put into it. The task is to record the amount in that event, rather than the container's maximum possible capacity.

Show the worked answer

C. 400 mL

Capacity and the amount recorded for a particular event are different fields. The event explicitly provides 400 mL, so substituting the 700 mL maximum would misrepresent what the sample says occurred there.

Try next: Label capacity separately from the recorded event amount.

22 / judgment

The inaccessible cleaning link

A container care note links to a general homepage, making the relevant instructions hard to find. The owner has located the official page for the exact model and wants a faster, reliable reference next time.

Show the worked answer

A. Save the exact model's official instructions page

The exact official model page is available and matches the container in question. Saving that reference reduces searching while keeping the instructions connected to their source, rather than inventing or borrowing a different procedure.

Try next: Include the model name beside the saved reference.

23 / judgment

The borrowing container problem

A person temporarily uses a different container whose capacity they do not know. Their usual saved container capacity is visible in the log, but they want to avoid presenting that value as verified for today's container.

Show the worked answer

B. Mark today's capacity unconfirmed

The saved value belongs to a different container and cannot confirm today's capacity. Marking the new capacity unconfirmed preserves that distinction until an appropriate marking or other reliable reference is available to check.

Try next: Keep the unfamiliar container separate in the record.

24 / reasoning

A daily total correction

Three fictional entries are 150 mL, 225 mL and 125 mL. The worksheet displays 550 mL as their total, and the task is to correct the arithmetic while preserving all three accurately recorded original entries.

Show the worked answer

C. Change the total to 500 mL

The original entries add to 500 mL: 150 plus 225 is 375, and another 125 reaches 500. Correcting only the total fixes the arithmetic without altering the supplied events themselves.

Try next: Write the addition beside the corrected total.

25 / writing

The message to a housemate

A person appreciates help finding a misplaced bottle but does not want another person commenting on their log entries. They want a short request that expresses both preferences without criticizing the housemate's intentions during the conversation.

Show the worked answer

A. Please help me find it; leave my log comments to me.

The first wording names the welcome help and the requested boundary in the same message. It addresses the specific arrangement without making the broader rejection or transfer of control proposed by the alternatives.

Try next: Rewrite the request in words the person would naturally use.

26 / judgment

The three-part handoff

A reminder-plan summary must fit on one small card. Its owner wants to remember the cue, the intended check and when to review the arrangement, with no need for the full planning history every morning.

Show the worked answer

B. Cue, action and review date

The three named fields match the card's purpose. They preserve the operational decisions needed to use and revisit the arrangement, while the alternatives omit essential details or crowd them out with irrelevant history.

Try next: Draft one brief line for each required field.

27 / reasoning

The unsupported progress claim

A fictional record shows that a person made entries on six of seven days. A draft summary says this proves a health improvement, but no health outcome was measured in the activity or supplied with the record.

Show the worked answer

C. Report six recorded days out of seven

The record supports the entry count only. Reporting six of seven days preserves the observed result, whereas the proposed health claim would need different evidence that this recording exercise does not provide here.

Try next: Use the observed count as the summary's main statement.