Step 2 / 3

One less

★★★Not the suggested order

One less is the number just before.

Cloud Bridge · Learn first

Example

What is 1 less than 2?

Answer: 1

Steps in this unit · One more, one less

1 2 3

← One more The number between →

One more, one less · Numbers & Operations

Know the number that is one more or one less, and find numbers before and after.

One less is the number just before.

This is step 2 of unit 5, “One more, one less”, in Stage 2: Numbers to 100, carrying and borrowing (ages 7–8). A round has 10 problems; 90% or better earns three stars. Everything is free with no sign-up, and your stars and XP are saved on this device.