For Ontario parents · Grades 3–6

My Child Is Behind in Math — Where Do I Even Start?

A 5-minute read

The report card said “working below grade level,” or homework has turned into a nightly battle, and now you’re staring at a wall of tutoring options and apps with no idea which one your child actually needs. Take a breath. Here’s the calm, sensible place to start.

First: “behind” is a position, not a verdict

A child who’s behind in math almost never has a thinking problem — they have a missing piece. Somewhere along the way a step didn’t fully land, and because math builds on itself, everything after that step got harder than it should be. Find the piece, and the rest tends to fall back into place faster than you’d expect.

Why “just do more practice” usually backfires

The natural reaction is more worksheets, more drill, more of the thing they’re failing. But if the real gap is a step or two below grade level, drilling grade-level work just stacks new frustration on a shaky foundation. The child works harder and gets the same wrong answers — which quietly teaches them they’re “not a math person.” That belief is harder to undo than any gap.

A calm four-step plan

1. Find the one gap — don’t boil the ocean. Before any practice, figure out the specific earlier skill that isn’t solid. Diagnose before you drill. (This is the step most people skip, and it’s the most important one.)
2. Start at the gap, not at grade level. It feels backwards to practice “easier” material, but starting where the foundation cracked is the whole game.
3. Build back up one step at a time. Each step is easier than the last, because the one beneath it is finally solid. Confidence climbs with each small win.
4. Protect their confidence the whole way. Frame it honestly and kindly: “You have one small gap, and we’re going to fix it” — not “you’re behind.”

How to actually find the gap

You can do this at home by working backwards through the skills underneath whatever they’re stuck on — though it takes patience and a feel for the curriculum’s order. If their struggle is fractions, our guide on why children struggle with fractions walks through exactly which earlier skills to check. And if you want to see roughly where a child should be, here’s what math a Grade 5 student should know.

Catching up isn’t about doing more — it’s about doing the right thing first. Find the missing step, rebuild from there, and protect the confidence along the way. That’s the whole plan.