500
Yoki is playing Capture on the 300 Chart. Look at his equation & tell what his mistakes were. Show what his equation should have looked like.
135 + 100 - 50 + 30 - 1 - 10 = _______
135+100=235+30=265-1=264-10=263
Show what his equation should have looked like.
Yoki forgot to subtract 50 after he added 100, and then subtracted only 1 at the end of his work instead of 10. His work should have looked like this:
135+100=235-50=185+30=215-1=214-10=204