DeltaMath and Provetree answer different questions.
If your family already uses DeltaMath, you don’t need a replacement for it. You need the one thing a practice engine can’t tell you: whether all those right answers are understanding, or a procedure your learner is running without knowing what it means.
The short answer
DeltaMath produces the accuracy. Provetree checks whether the accuracy is understanding.
Keep DeltaMath. It is good at something we deliberately don’t do — volume of practice, across far more of math than we cover, with the grading handled for you. We are the short check you run beside it when you want to know what the percentage actually means.
What each one actually is
DeltaMath
- A practice engine
Auto-generated problem variants for a skill, marked instantly, with a full worked solution when a learner is stuck and instructional videos on the paid tier.
- Very wide coverage
Roughly 6th grade through AP Calculus, organised into courses and units. Your family will not age out of it.
- One form per question
Each question asks for the idea in the form it was written in, and marks the answer to that. It is a good format for building fluency — it is just not one that can compare a learner across forms.
- Reports accuracy and time
The parent dashboard tells you how many a learner got right, on which skill, and how long it took.
Provetree
- A short game about evidence
A learner proves the same idea more than one way — equations, graphs, tables, word problems, and worked steps — instead of answering the same question in the same form repeatedly.
- Deliberately narrow
Algebra Foundations for grades 6–9. Far less ground than DeltaMath covers, on purpose: it is the ground algebra readiness is decided on.
- About ten minutes
The free Readiness Check runs five concepts, one round each. It is not a daily workload — it is a check you run when you want to know where a learner actually stands.
- Reports where it broke down
A wrong pick gets feedback about that specific misconception rather than a generic “try again”. The parent report shows, concept by concept, the accuracy, the hints used, and which form the learner is weakest in.
The difference, in one line each
This is the whole comparison. Both of these are true about the same learner in the same week.
“Solving two-step equations — 9 of 10 correct — 14 minutes.”
Useful, and genuinely hard to get any other way at that price. It tells you the practice happened and the answers were right.
“Same concept, weakest form: graphs. She reads the slope correctly off an equation and misses it on a graph.”
A per-skill percentage cannot say that: each question behind it was marked in the form it was asked in, so nothing in the total compares one form against another. Ask for the same idea in a different form and the gap has nowhere to hide.
It is the second line that tells you what to do on Monday.
Where DeltaMath is the better tool
We would rather you read this from us than find it out afterwards.
Roughly 6th grade to AP Calculus, against our Algebra Foundations for grades 6–9. Once a learner has started Algebra 1, DeltaMath has content for them and we do not.
DeltaMath is something you can assign every day, with as many problems as a learner needs. The Readiness Check is five rounds in about ten minutes. It will not fill a math block.
Worked solutions and videos walk a learner through the steps. We deliberately don’t: we show evidence and ask the learner to find the rule, which is a different job and a poor substitute for instruction.
DeltaMath has a free tier that a lot of families run on happily. We are not going to pretend that a one-time price is a dramatic saving against free.
What you can only get here
A concept shows up as equations, graphs, tables, word problems, and worked steps, and the learner has to recognise it in each. A learner who has memorised a procedure can pass a page of identical problems; they cannot pass this.
A wrong pick returns feedback about that specific misconception — what the card the learner chose actually represents — instead of marking it wrong and moving on.
Concept by concept: attempts, accuracy, hints used, and which form the learner is weakest in. That last one is the part a single-format practice tool has no way to compute.
No subscription and no per-sibling pricing. Against a free tier that is not a saving, and we don’t claim it is — it just means the check is not another renewal to think about.
Should you add it?
Probably not, if
- Your learner has already started Algebra 1. We cover what comes before it; DeltaMath keeps going from there.
- You are looking for something to replace a daily math block. This is a check, not a curriculum.
- You want a learner taught the steps from scratch. DeltaMath’s worked solutions and videos do that; we start from evidence instead.
Worth it, if
- Your learner scores well in practice and then stumbles on an outside placement test.
- You suspect the right answers are a procedure being run rather than an idea being understood.
- You are deciding whether a learner is ready for Algebra 1 and want more than a percentage to go on.
Settle it in ten minutes, for free.
The Readiness Check is free, needs no account, and ends with a report you can read against whatever your practice tool has been telling you.