Start with something you can see.
Pictures and clear questions help make the first step feel within reach.
A little curiosity goes a long way
Math, one bright idea at a time.
A calmer place to explore, try something new, and see what’s growing. For children. With their families.
Three visual ratio questions. No account needed.
So much to discover
Room to think
One small step.
Then the next.
Less to take in at once. More space for an idea to click.
A little help, when you need it.
Take your time. Open a hint. Make another attempt with a new idea.
Something to talk about together.
See what your child practiced, and choose a useful next step together.
Example learning moment
Read ratios in order
7 answers right in this practice.
An idea to shareA practice result, not a mastery score.
Their learning. A shared connection.
“Want to see
what I tried?”
Progress can begin a conversation. See the same learning moment, notice a strength, and make room for what feels tricky.
- One parent account, up to two child profiles
- No separate child email or password
- Parent-managed consent and privacy controls
Good to know
A few questions.
Who is Blue Spinnaker for?
Families with children in Kindergarten through Grade 8. We’re starting with Mathematics. A parent creates and manages the family account, including each child’s grade.
What can we try without an account?
The free sample has three visual Grade 6 ratio questions, with hints and explanations. No signup or payment card is needed. Try the sample.
How do the first 50 invitations work?
We’re preparing a free first chapter for 50 invited families. Each invitation is for one parent-managed family, with up to two child profiles. The sample stays available for everyone. Invitations will open after our final checks.
Can we use an iPhone or iPad?
Yes. We’re testing a dedicated iPhone and iPad app alongside the website. Installation details will be included with the family invitation.
How can we get help?
Use Contact us for account questions, anything that isn’t working, or feedback. Parents can also access privacy and account-deletion controls.
A good place to start
Let curiosity
take the lead.
Try three little questions. See how it feels.
Try a little math