Subtracting 2 digit #s
34-21=
13
123-90=
33
Does 32-12=20?
CHECK BY ADDING (INVERSE OPERATION).. Start backwards -- 20+12=?
YES
DJ bought a bicycle that cost $143. He gave the cashier $200. How much money did he get back?
$57
100-23=
DON'T MAKE MISS MCCALLISTER HYPERVENTILATE!
77
67-43=
24
256-210=
46
DOES 321-99=278?
DO THE INVERSE OPERATION PROBLEM TO SOLVE (ADD)
NO!
Dr. Aedan got paid $500 from work! He had to pay his landlord, Paige, $322. How much money does he have left?
$178
1,300-734=
HELP! CALL AN AMBULANCE FOR MISS MCCALLISTER.....
566
66-31=
35
321-99=
222
Does 450-50=400?
WRITE THE INVERSE OPERATION PROBLEM (ADDITION PROBLEM)
YES!
Alivia spent $24 on her lunch. She paid with a twenty-dollar bill and a ten dollar bill. How much money did she get back in change?
$6
700-543=
AHHHHH!!!!
157
91-87=
4
435-267=
168
432-176=?
CHECK WITH THE INVERSE OPERATION PROBLEM - YOU HAVE TO HAVE BOTH WRITTEN DOWN
256; 256+176=432
Blaire found 101 dalmatians! She gave 72 of them away to Vinny. How many dalmatians does Blaire have left?
29 dalmatians
1,000-444=
I.CAN'T.BREATHE.
556
30-15=
15
103-64=
39
101-33=?
CHECK WITH DOING THE INVERSE OPERATION (ADDING) Both problems have to be on your whiteboard
68; 68+33=101
Ryhus is buying an airplane off Kemper for $33. He gives him $100 bill. How much change does he get back?
$67
7,020-148=
SAVEEEE MEEEEEE!!!!!
6,872