SKIP TO CONTENT
or
Subtract:

1 − 1 =
ref_doc_title.

Confetti

Jumping to level 1 of 1

Excellent!

Now entering the Challenge Zone—are you ready?

Teacher tools
Work it out
Not feeling ready yet? These can help:
Skill IconB.6Subtract integers using counters
Skill IconB.7Subtract integers using number lines
Skill IconB.8Integer subtraction rules