Super Easy
Easy
Medium
Hard
Super Hard
100

4 + -1= ?

3

100

What is the opposite of 0?

0

100

+ 19 and 19 are the same

True or False

True 

100

-13 + -2= ?

-15

100
16 + -11= ?

5

200

-2 + 3= ?

1

200

-9 + 0= ?

-9

200

10 + -10= ?

0

200

15 + -8= ?

7

200

17 + -14= ?

3

300

-5 + -2= ?

-7

300

14 + -7= ?

7

300

0 + -3= ?

-3

300

99 and -99 are opposites

True or False

True

300

-20 + 6= ?

-14

400

-3 + 7= ?

4

400

-4 + -5= ?

-9

400

20 + -18= ?

2

400

-19 + 1= ?

-18

400

12 + -13= ?

-1

500

What is the opposite of -47?

47

500

What is the opposite of 39?

-39

500

5 + -11= ?

-6

500

11 + -12= ?

-1

500

0 doesn't have a negative opposite

True or False

True