Stage 1 · Unit 27 / 30 · Numbers & Operations
Subtracting zero
Subtracting zero changes nothing; subtracting the same number leaves zero.
★ 0 / 3 · 0/1 steps done
▶ Start · Step 1Subtracting zero changes nothing; subtracting the same number leaves zero.
★ 0 / 3 · 0/1 steps done
▶ Start · Step 1