Drag to build
Make the number {{gd.s1.h}}{{gd.s1.t}}{{gd.s1.o}}
Hundreds
Tens
Ones
Tap to subtract
Take away {{gd.s2.h}}{{gd.s2.t}}{{gd.s2.o}} from {{gd.s1.h}}{{gd.s1.t}}{{gd.s1.o}}
Take {{gd.s2.h}}
Take {{gd.s2.t}}
Take {{gd.s2.o}}
Slide to regroup
We don't have enough ones. Let's break a Ten!
Slide me to the right!
1 Ten became 10 Ones!
Adjust to borrow
Borrow across the zero to solve
{{s4.h}}
{{s4.t}}
{{s4.o}}
{{gd.s4.top[0]}}
{{gd.s4.top[1]}}
{{gd.s4.top[2]}}
-
{{gd.s4.sub[0]}}
{{gd.s4.sub[1]}}
{{gd.s4.sub[2]}}
Type the answer
Solve
{{gd.s5.top}}
-
{{gd.s5.sub}}
{{s5.h !== null ? s5.h : ''}}
{{s5.t !== null ? s5.t : ''}}
{{s5.o !== null ? s5.o : ''}}
🏆
Subtraction Master!
You successfully regrouped and solved tricky problems.