Adding
Hundreds + Hundreds
Hundreds + Hundreds
400+400=
800
1100+400
1500
10+30+20=
60
300+500+200
1000
Round to the nearest 10 - 364
360
120+150=
270
2600+300=
2900
30+51+22=
103
550+250+100=
900
Round to the nearest 10 - 528
530
170+408=
578
5100+325=
5425
600+40+40=
680
120+370+600=
1090
Round to the nearest 10 - 693
690
202+646=
848
5210+621=
5831
500+200+50=
750
313+620+250=
1183
Round to the nearest 10 - 797
800
164+235=
399
4527+225=
4752
123+50+23=
196
333+444+333=
1110
Round to the nearest 10 - 898
900