Study

Adding and subtraction of numbers up to 999

  •   0%
  •  0     0     0

      Back   Restart
  • 13
    thirteen
  • 90
    ninety
  • 108+3=
    111
  • 150+5=
    155
  • 60
    sixty
  • 10
    ten
  • 15
    fifteen
  • 130+3=
    133
  • 150-40=
    110
  • 199-90=
    109
  • 555-55=
    500
  • 19
    nineteen
  • 70
    seventy
  • 17
    seventeen
  • 700-500=
    200
  • 50
    fifty
  • 180-60=
    20
  • 300-150=
    150
  • 101+12=
    113
  • 100+80=
    180
  • 16
    sixteen
  • 99+1=
    100
  • 900-800=
    100
  • 18
    eighteen
  • 143-13=
    130
  • 12
    twelve
  • 20
    twenty
  • 80
    eighty
  • 100+40=
    140
  • 40
    forty
  • 100+30=
    130
  • 222-22=
    200
  • 100+88=
    188
  • 193-13=
    180
  • 117-10=
    107
  • 14
    fourteen
    • Your experience on this site will be improved by allowing cookies.