+ no regroup
66+22=
88
77-26=
51
89+56=
145
51-39=
12
Lucy went to the grocery store. She bought 12 packs of cookies and 16 packs of noodles. How many packs of groceries did she buy in all
28
153+125=
278
938-217=
721
697+243=
940
712-588=
124
I read 21 pages of my English book yesterday in just 45 minutes. Today, I read 117 pages. What is the total number of pages that I read?
138
4,000+382=
4,382
3,566-411=
3,155
8963+278=
9,241
1,633-891=
742
There are 67 bird families living near the mountain. If 32 bird families flew away for winter, how many bird families were left near the mountain?
35
5,710+4,184=
9,894
5,789-2,643=
3,146
2,999+1,327=
4,326
7,211-3,678
3,533
At the river, 25 out of 55 salmon families went to warmer waters to avoid being frozen. They had to swim 125 miles to get there! How many salmon families were left in the river?
30
25,422+13,043=
38,465
56,998-54,274
2,724
63,956+30,467=
94,423
40,283-23,794=
16,489
In order to start constructing the house, Charlie and his father needed to gather some wood from the forest. If they initially have 15 extra planks of wood in the house and Charlie and his father got 10 planks of wood each, how many pieces of wood do they have in total?
35