Show:
100= easy
200= not too easy
300= medium
400= hard
500= super hard
100
71+83
What is 154
100
27+7
What is 34
100
62+26
What is 88
100
57+24
What is 81
100
31+74
What is 105
200
864-48
What is 816
200
346-62
What is 284
200
872-85
What is 787
200
3745-2984
What is 761
200
531-64
What is 467
300
7x5
What is 35
300
3x9
What is 27
300
7x3
What is 21
300
4x6
What is 24
300
8x7
What is 56
400
9x10
What is 90
400
7x9
What is 63
400
8x8
What is 64
400
83x4
What is 332
400
43x3
What is 129
500
8/2
What is 4
500
63/7
What is 9
500
36/6
What is 6
500
48/6
What is 8
500
70/10
What is 7