Step 1 / 3
Domino joining
★★★Join the dots on both sides: 6 and 5 make 11.
Addition Village · Learn first
Example
How many altogether?
Answer: 12
Joining · Numbers & Operations
Join two numbers like domino dots to make 11 to 19.
Join the dots on both sides: 6 and 5 make 11.
This is step 1 of unit 15, “Joining”, in Stage 1: Numbers to 20, adding and subtracting (ages 6–7). A round has 8 problems; 90% or better earns three stars. Everything is free with no sign-up, and your stars and XP are saved on this device.