Show:
Adding with Expanded Algorithm
Adding 3 digits
Adding 3 or more numbers
Subtracting 3 digits
Subtraction with Regrouping
100
550+423=
What is 500+400=900 50+20=70 0+3=3 973
100
136+252=
What is 388
100
602+125+231=
What is 958
100
251-132=
What is 119
100
374-176=
What is 198
200
546+232=
What is 500+200=700 40+30=70 6+2=8 778
200
231+344=
What is 575
200
64+42+88=
What is 194
200
423-291=
What is 132
200
276-97=
What is 179
300
185+613=
What is 100+600=700 80+10=90 5+3=8 798
300
426+396=
What is 822
300
247+362+49=
What is 658
300
417-308=
What is 109
300
629-453=
What is 176
400
730+168=
What is 700+100=800 30+60=90 0+8=8 898
400
526+307=
What is 833
400
125+36+124+239=
What is 524
400
539-275=
What is 264
400
400-371=
What is 29
500
561+332=
What is 500+300=800 60+30=90 1+2=3 893
500
582+230=
What is 812
500
246+54+233+205=
What is 738
500
265-84=
What is 181
500
705-123=
What is 582