Addition
What is 485 + 30
515
153 - 50
103
8x6
48
9/3
3
Round to the nearest 10
6348
6350
Mental math
600 + 45 + 60 =
705
5648 - 648
5000
5+5+5+5+5+5+5
is the same as 5 x
7
24/6
4
Round to the nearest 100
4820
4900
Mental math
1980 + 650 + 10
2640
6847 - 356
6491
10 x 13
130
72/8
9
what is 6,794 rounded to the nearest ten thousand
7,000
412350 + 50000 + 600 =
462950
496 - 45 - 51 =
400
25 x 3
75
150/10
15
Round 651,544 to the nearest thousand
652,000
650231 + 526401
1176632
27896 - 34891
-6995
525 x 4
2100
148/4
37
Round 253,405 to the nearest hundred
253,400