Addition
Subtraction
Expanded Form
Rounding
CHALLENGE
100
9 + 23 =
32
100
20 - 12 =
8
100
123
100 + 20 + 3
100
Round to the NEAREST TEN... 64
60
100
93 + 93 + 93 =
279
200
11 + 41 =
52
200
73 - 64 =
9
200
382
300 + 80 + 2
200
Round to the NEAREST HUNDRED... 629
600
200
492 + 928 =
1,420
300
98 + 4 =
102
300
132 - 46 =
86
300
702
700 + 2
300
Round to the NEAREST TEN...819
820
300
Round to the NEAREST THOUSAND... 32,399
32,000
400
102 + 102 =
204
400
200 - 20 - 20 - 20 - 15 =
125
400
1,312
1,000 + 300 + 10 + 2
400
Round to the NEAREST TEN... 943
940
400
Round to the NEAREST TEN THOUSAND... 59,121
60,000
500
102 + 102 + 102 =
306
500
(27) - 3 - 2 - 1 - 6 - 4 - 2 - 9 =
0
500
32,486
30,000 + 2,000 + 400 + 80 + 6
500
Round to the NEAREST TEN... 4,267
4,270
500
512,419
500,000 + 10,000 + 2,000 + 400 + 10 + 9
M
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