Step 3 / 3

Say the tens (2)

★★★Not the suggested order

In Korean, 20 is seumul, 30 is seoreun, 40 is maheun, 50 is swin.

Cloud Bridge · Learn first

Example

How do you say this number?

Answer: thirty

Steps in this unit · Counting in tens

1 2 3

← Say the tens (1)Write the number →

Counting in tens · Numbers & Operations

See how many tens there are to know 20, 30, 40 and 50, and learn their names.

In Korean, 20 is seumul, 30 is seoreun, 40 is maheun, 50 is swin.

This is step 3 of unit 19, “Counting in tens”, 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.