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  • The small friend of 1 is:
    4
  • Oral calculation: 2 + 2 - 3 + 1 =
    2
  • Oral calculation: 9 - 5 - 3 + 2 =
    3
  • Solve the next problem using your abacus: 6 - 3 + 1 - 2 =
    2
  • Oral calculation: 4 - 1 - 2 + 3 =
    4
  • Solve the next problem using your abacus: 29 + 50 - 24 + 30 - 35
    50
  • Say the following colors:
    red, orange, green x2, orange x2, blue, yellow x3, blue x2, green x2, yellow, red, blue, orange x2, blue and green
  • The small friend of 3 is:
    2
  • Solve the next problem using your abacus: 7 - 2 - 2 + 5 =
    3
  • Oral calculation: 12 + 12 - 10 =
    14
  • Solve the next problem using your abacus: 65 + 10 - 55 + 24 - 30 =
    14
  • Solve the next problem using your abacus: 13 - 11 + 10 + 2
    14
  • Read the next words:
    Yes or No?
  • Solve the next problem using your abacus: 5 + 3 - 4 - 2 =
    2
  • Oral calculation: 11 + 11 + 11:
    33
  • Oral calculation: 4 - 3 + 2 + 1 =
    4
  • The small friend of 4 is:
    1
  • Solve the next problem using your abacus: 93 - 51 + 57 - 25 + 22 =
    96
  • Brain gym: With one hand make the peace sign and with the other hand make the rock sign. Then change it as fast as you can.
    Yes or No?
  • Solve the next problem using your abacus: 5 - 4 + 5 - 1:
    5
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