Addition within 100
What is 27+45?
72
What is 90−34?
56
What is 270+130?
400
What is 600+200?
800
What is 800−300?
500
What is 56+34?
90
What is 76−29?
47
What is 450−275?
175
What is 455+357?
812
What is 950−452?
498
What is 72+18?
90
What is 50−17?
33
What is 350+125?
475
What is 756+150?
906
What is 647−259?
388
What is 63+29?
92
What is 85−47?
38
What is 420−180?
240
What is 804+127
931
What is 1000−550?
450
What is 48+59?
107
What is 99−58?
41
What is 490−399?
91
What is 970+30?
1000
What is 760−489?
271