hard Set 16 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [66] → [36, _] → [_, _, _] → [_, 9, 8, 5] → [_, _, _, 3, 2]

Show answer

Answer: Row3[1]=19, Row5[2]=4, Row5[3]=5, Row3[2]=17, Row5[1]=6, Row3[3]=13, Row4[1]=10, Row2[2]=30

SubType
number-pyramid
Difficulty
hard
Levels
  • [66]
  • [36,30]
  • [19,17,13]
  • [10,9,8,5]
  • [6,4,5,3,2]
Base
  • 6
  • 4
  • 5
  • 3
  • 2
TopValue
66
HiddenCells
  • {"r":2,"c":0,"v":19}
  • {"r":4,"c":1,"v":4}
  • {"r":4,"c":2,"v":5}
  • {"r":2,"c":1,"v":17}
  • {"r":4,"c":0,"v":6}
  • {"r":2,"c":2,"v":13}
  • {"r":3,"c":0,"v":10}
  • {"r":1,"c":1,"v":30}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, _] → [24, 26, 28] → [_, 13, 13, 15] → [_, _, 4, _, _]

Show answer

Answer: Row2[1]=50, Row5[4]=9, Row2[2]=54, Row4[1]=11, Row5[1]=2, Row5[5]=6, Row1[1]=104, Row5[2]=9

SubType
number-pyramid
Difficulty
hard
Levels
  • [104]
  • [50,54]
  • [24,26,28]
  • [11,13,13,15]
  • [2,9,4,9,6]
Base
  • 2
  • 9
  • 4
  • 9
  • 6
TopValue
104
HiddenCells
  • {"r":1,"c":0,"v":50}
  • {"r":4,"c":3,"v":9}
  • {"r":1,"c":1,"v":54}
  • {"r":3,"c":0,"v":11}
  • {"r":4,"c":0,"v":2}
  • {"r":4,"c":4,"v":6}
  • {"r":0,"c":0,"v":104}
  • {"r":4,"c":1,"v":9}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 63] → [_, _, 29] → [16, _, 18, _] → [9, 7, 9, _, _]

Show answer

Answer: Row4[2]=16, Row1[1]=129, Row4[4]=11, Row5[5]=2, Row3[2]=34, Row3[1]=32, Row2[1]=66, Row5[4]=9

SubType
number-pyramid
Difficulty
hard
Levels
  • [129]
  • [66,63]
  • [32,34,29]
  • [16,16,18,11]
  • [9,7,9,9,2]
Base
  • 9
  • 7
  • 9
  • 9
  • 2
TopValue
129
HiddenCells
  • {"r":3,"c":1,"v":16}
  • {"r":0,"c":0,"v":129}
  • {"r":3,"c":3,"v":11}
  • {"r":4,"c":4,"v":2}
  • {"r":2,"c":1,"v":34}
  • {"r":2,"c":0,"v":32}
  • {"r":1,"c":0,"v":66}
  • {"r":4,"c":3,"v":9}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [47, _] → [20, 27, _] → [8, _, _, 17] → [_, 6, _, 9, _]

Show answer

Answer: Row4[3]=15, Row5[1]=2, Row3[3]=32, Row5[3]=6, Row5[5]=8, Row4[2]=12, Row2[2]=59, Row1[1]=106

SubType
number-pyramid
Difficulty
hard
Levels
  • [106]
  • [47,59]
  • [20,27,32]
  • [8,12,15,17]
  • [2,6,6,9,8]
Base
  • 2
  • 6
  • 6
  • 9
  • 8
TopValue
106
HiddenCells
  • {"r":3,"c":2,"v":15}
  • {"r":4,"c":0,"v":2}
  • {"r":2,"c":2,"v":32}
  • {"r":4,"c":2,"v":6}
  • {"r":4,"c":4,"v":8}
  • {"r":3,"c":1,"v":12}
  • {"r":1,"c":1,"v":59}
  • {"r":0,"c":0,"v":106}