28+35
63
98-45
54
Mark had 673 Lego pieces, he used 468 to build a rocket. How many Lego pieces does he have left?
Addition or Subtraction?
205 Lego pieces
345+645
990
981-620
361
67+45
112
56-13
43
Brennan ate 20 donuts yesterday and 38 more today. How many donuts has Brennan eaten?
Addition or Subtraction?
58 donuts
654+798
1452
645-321
324
18+68
86
67-12
55
Addition or Subtraction?
168 books
456+879
1335
142
64+87
151
94-62
32
Sidney bought 358 stickers one day and 456 stickers the next. How many stickers did Sidney buy in all?
Addition or Subtraction?
814 Stickers
453+358
811
784-564
184
96+54
150
67-32
35
Sidney has 814 stickers. She brought 512 of them to work. How many stickers does she have left?
Addition or Subtraction?
302 stickers
543+213
756
849-528
321