Positive & Negative Numbers Lab

LIVE

Ready0 + 0 = 0at zero|0| = 0

Learning mode

Move on the number world

Model

Starting value−3

Operation

Signed number+5

Speed1×

View & focus

Zoom100%

Drag to pan. Tap a tick, marker, or model object for a short explanation.

FocusMarker

Value−3

Value history

Rules & formulas

a + b = move b units from a
a − b = a + (−b)
|a| = distance from zero
a > b when a is to the right of b

Learning outcomes

Locate positive, negative, and zero values.
Compare integers by position.
Add and subtract signed numbers visually.
Interpret absolute value as distance.

Try: Start at 4 and add −7. Then compare −2 and −8.

Seven-question challenge

Guided visual narration

Language

Narrator

Volume boost150%

Choose a chapter or play the full lesson.

Narration uses embedded audio routed through the page audio output, so it can be captured when the browser tab is recorded with tab audio. No microphone is used.

Switch to Teacher / Demo mode in the Learn tab to unlock demonstration tools.