add
1000+2000
3000
6-2
4
20 times 50
1000
54 divided by 6
9
496 rounded to the nearest tens
500
7.49+0.39
7.88
900-500
400
200 times 40
8000
40 divided by 8
5
1352 rounded to the nearest tens
1350
1100+2000
3100
0.50-0.47
0.03
500 times 50
25000
48 divided by 4
12
1358 rounded to the nearest tens
1360
100+20
120
900-400
500
90 times 40
3600
80 divided by 10
8
238 rounded to the nearest tens
240
9.40+3.39
12.79
7.90-4.50
3.40
50000 times 6
300000
18 divided by 6
3
895 rounded to the nearest tens
900