The same four steps that make number talks work. Timing, prompts, and projection mode are handled for you.
A quick image appears just long enough to see, not count, so students reason about quantity instead of counting by ones.
The image hides. Quiet think time lets every student form an answer before anyone speaks.
"How did you see it?" A rotating prompt invites students to share the strategy behind their answer.
The image returns, often animated, to confirm the answer and make the strategy visible to the whole class.
Free tools to get started. DotSense Plus for the full suite. No student accounts. No student data. Ever.
Addition and subtraction up to 1000, using the same named strategies as Add & Subtract Strategy Flash, extended to a new number range and visual model.
Open toolDoubles, near doubles, make ten, using ten: every reveal shows the visual model behind the strategy, never a naked timer. Already live on Number Sense.
Open toolCore routines are free forever, no login required. DotSense Plus unlocks every paid tool for one flat price.
Subitizing, Choral Counting, Add & Subtract Strategy Flash, Quantity Compare, and the Fraction Number Line: no account required.
See free toolsEvery paid tool, current and future, for one subscription: $29/year.
See full pricingOne short email when a new routine goes live. No spam, unsubscribe anytime.