Show:
Addition
Subtraction
Addition
Subtraction
Daily Double Addition or Subtraction
100

89 + 11

100

100

47-15=

32

100

166+33=

199

100

150-20=

130

100

444+222=

666

200

66+33=

99

200

100-45 =

55

200

115 +15=

130

200

220-16=

204

200

777-555=

222

300

55+ 40=

95

300

88-12=

76

300

175+60=

235

300

310-9=

301

300

700+300=

1000

400

99 + 42=

141

400

126-13=

113

400

200 +53=

253

400

400-25=

375

400

999-333=

666

500

100 + 62

162

500

150-25

125

500

325+75=

400

500

600-125=

475

500

1000+5000=

6000