standard algorithm
678
+ 359
1037
when rounding to the nearest hundred in 578 what does this number end up as
600
area one side is 6in other is 8in
42in
1,000+600+30+8=
1,638
when rounded to the nearest ten what is the answer of 5,678
5680
784
+ 347
1131
hundred
673
700
perimeter 7in 2in
22in
8,000+700+30+5
8,735
area 7in 7in
49
295
+ 876
1172
ten
489
490
area 9in 4in
36in
2,000+400+70+9
2,479
573
+893
1466
563
+894
1,477
one
679
679
area 6in 3in
18in
4,000+100+40+8
4,148
5,000+900+50+8
5,958
397
+672
1,069
hundred 483
500
perimeter 5in 6in
22in
5,000+900+30+1
5,931
hundred 789
800