Number Line Jump
Watch a frog hop along a number line to show what adding, subtracting, and multiplying actually do. Pick an operation, answer the question, and see the jumps land. Works offline.
Built by the AbraCalc team
How to play
- Tap to toggle which operations (add, subtract, multiply) you want to practice.
- Tap Start Hopping and answer each question by picking one of the four numbers shown.
- Watch the frog hop from the starting number to the answer along the number line.
- After eight questions, see your score and tap Hop Again for a new set or Change Operations to adjust the mix.
Number Line Jump makes addition, subtraction, and multiplication visible instead of abstract. Choose which operations to practice, and a question appears above a number line stretching from negative twelve to twelve, with a small frog sitting at the starting number. Pick your answer from four choices, and the frog hops to where it lands, showing exactly what the operation did to the starting value rather than asking a student to just trust the arithmetic. Right or wrong, the next question follows immediately so the session keeps moving, and a running score in the corner tracks progress across eight questions. At the end, a short summary shows how many landed correctly, and Hop Again starts a fresh set or Change Operations lets you adjust which operations are in the mix.
Frequently asked questions
- Why does the frog only move between -12 and 12?
- Every question is generated so its start and end points always land inside that visible range, which keeps the frog's hop on-screen and readable instead of jumping off the edge of the line.
- What happens if I answer wrong?
- The frog still hops to show where the correct answer lands, the question briefly shakes to signal the miss, and a new question follows right away so practice keeps moving.
- Can I practice just one operation, like only subtraction?
- Yes, tap to toggle any combination of add, subtract, and multiply on or off before starting, and only the operations you leave active will appear in the questions.