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Mod 5, Lesson 4
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820 - 320 = ?
500
Oops!
Okay!
950 - 500 = ?
450
Oops!
Okay!
620 - 380 = ?
240
Oops!
Okay!
700 - 200 = ?
500
Oops!
Okay!
620 - 320 = ?
300
Oops!
Okay!
530 - 400 = ?
130
Oops!
Okay!
870 - 390 = ?
480
Oops!
Okay!
250 - 100 = ?
150
Oops!
Okay!
900 - 430 =
470
Oops!
Okay!
960 - 480 = ?
480
Oops!
Okay!
270 - 180 = ?
90
Oops!
Okay!
170 - 100 = ?
70
Oops!
Okay!
840 - 240 = ?
600
Oops!
Okay!
740 - 440 = ?
300
Oops!
Okay!
400 - 250 = ?
150
Oops!
Okay!
640 - 250 = ?
390
Oops!
Okay!
500 - 200 = ?
300
Oops!
Okay!
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