Category 1
3+4
What is 7?
8+7
What is 15?
11-4
What is 7?
8-7
What is 1?
7+3
What is 10?
18-41
What is -23?
38+22
What is 60?
(-10)-47
What is -57?
2-(-2)
What is 4?
10+8
What is 18?
(-12)+7
What is -5?
(-29)-29
What is -58?
13+(-29)
What is -16?
(-6)+12
What is 6?
(-34)+50
What is 16?
(-45)+9
What is -36?
(-32)-44
What is -76?
(-10)+(-7)
What is -17?
(-30)+10
What is -20?
38+(-5)
What is 33?
10+3-(-8)
What is 21?
2-(-9)-8
What is 3?
(-1)-(-40)
What is 39?
2+15+4
What is 21?
16+(-13)+5
What is 8?