Addition and Subtraction Facts
How much is 10+10+5?
How much is 20+20+20?
How much is 100+100-50?
What is 35 + 16=
How much is 15 + 12 ?
66+74=
20+20+20+20+20+13=
60-16=
87 + _______= 97
99-63=
4,433____9,054
9,076 _______9,067
67-11=
70= 61+________
95-41