Show:
Adding
Subtracting
Rounding
Random
100

18 + 66

84

100

86 - 74

12

100

Round 129 to the nearest 10

130

100

Round 192 to the nearest 100

200
200

134 + 65

199

200

98 - 19

79

200

Round 82 to the nearest 10

80

200

Round 830 to the nearest 100

800

300

725 + 189

914

300

84 - 19

65

300

Round 75 to the nearest 10

80

300

Round 158 to the nearest 100

200

400

602 + 98

700

400

370-128

242

400

Round 927 to the nearest 10

930

400

Round 724 to the nearest 100

700

500

513 + 77

590

500

121- 109

12

500

Round 248 to the nearest 10

250

500

Round 349 to the nearest 100

300