hard Set 61 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 31] → [18, _, 20] → [_, 5, 6, 14] → [_, _, _, _, 10]

Show answer

Answer: Row5[3]=2, Row5[4]=4, Row5[1]=10, Row5[2]=3, Row3[2]=11, Row1[1]=60, Row2[1]=29, Row4[1]=13

SubType
number-pyramid
Difficulty
hard
Levels
  • [60]
  • [29,31]
  • [18,11,20]
  • [13,5,6,14]
  • [10,3,2,4,10]
Base
  • 10
  • 3
  • 2
  • 4
  • 10
TopValue
60
HiddenCells
  • {"r":4,"c":2,"v":2}
  • {"r":4,"c":3,"v":4}
  • {"r":4,"c":0,"v":10}
  • {"r":4,"c":1,"v":3}
  • {"r":2,"c":1,"v":11}
  • {"r":0,"c":0,"v":60}
  • {"r":1,"c":0,"v":29}
  • {"r":3,"c":0,"v":13}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 42] → [_, _, _] → [12, 6, _, 18] → [7, 5, _, 8, _]

Show answer

Answer: Row5[5]=10, Row3[2]=15, Row4[3]=9, Row5[3]=1, Row3[1]=18, Row1[1]=75, Row3[3]=27, Row2[1]=33

SubType
number-pyramid
Difficulty
hard
Levels
  • [75]
  • [33,42]
  • [18,15,27]
  • [12,6,9,18]
  • [7,5,1,8,10]
Base
  • 7
  • 5
  • 1
  • 8
  • 10
TopValue
75
HiddenCells
  • {"r":4,"c":4,"v":10}
  • {"r":2,"c":1,"v":15}
  • {"r":3,"c":2,"v":9}
  • {"r":4,"c":2,"v":1}
  • {"r":2,"c":0,"v":18}
  • {"r":0,"c":0,"v":75}
  • {"r":2,"c":2,"v":27}
  • {"r":1,"c":0,"v":33}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, _] → [_, 29, 32] → [_, _, 18, 14] → [7, 2, _, _, 5]

Show answer

Answer: Row2[2]=61, Row2[1]=49, Row4[1]=9, Row4[2]=11, Row1[1]=110, Row5[4]=9, Row5[3]=9, Row3[1]=20

SubType
number-pyramid
Difficulty
hard
Levels
  • [110]
  • [49,61]
  • [20,29,32]
  • [9,11,18,14]
  • [7,2,9,9,5]
Base
  • 7
  • 2
  • 9
  • 9
  • 5
TopValue
110
HiddenCells
  • {"r":1,"c":1,"v":61}
  • {"r":1,"c":0,"v":49}
  • {"r":3,"c":0,"v":9}
  • {"r":3,"c":1,"v":11}
  • {"r":0,"c":0,"v":110}
  • {"r":4,"c":3,"v":9}
  • {"r":4,"c":2,"v":9}
  • {"r":2,"c":0,"v":20}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, _] → [26, 25, 22] → [_, 14, _, _] → [6, 6, 8, _, _]

Show answer

Answer: Row5[5]=8, Row1[1]=98, Row4[1]=12, Row4[4]=11, Row5[4]=3, Row2[1]=51, Row2[2]=47, Row4[3]=11

SubType
number-pyramid
Difficulty
hard
Levels
  • [98]
  • [51,47]
  • [26,25,22]
  • [12,14,11,11]
  • [6,6,8,3,8]
Base
  • 6
  • 6
  • 8
  • 3
  • 8
TopValue
98
HiddenCells
  • {"r":4,"c":4,"v":8}
  • {"r":0,"c":0,"v":98}
  • {"r":3,"c":0,"v":12}
  • {"r":3,"c":3,"v":11}
  • {"r":4,"c":3,"v":3}
  • {"r":1,"c":0,"v":51}
  • {"r":1,"c":1,"v":47}
  • {"r":3,"c":2,"v":11}