hard Set 36 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [89] → [_, 39] → [_, 21, _] → [15, 14, _, 11] → [_, _, _, _, 8]

Show answer

Answer: Row3[3]=18, Row4[3]=7, Row5[1]=5, Row5[2]=10, Row5[4]=3, Row2[1]=50, Row3[1]=29, Row5[3]=4

SubType
number-pyramid
Difficulty
hard
Levels
  • [89]
  • [50,39]
  • [29,21,18]
  • [15,14,7,11]
  • [5,10,4,3,8]
Base
  • 5
  • 10
  • 4
  • 3
  • 8
TopValue
89
HiddenCells
  • {"r":2,"c":2,"v":18}
  • {"r":3,"c":2,"v":7}
  • {"r":4,"c":0,"v":5}
  • {"r":4,"c":1,"v":10}
  • {"r":4,"c":3,"v":3}
  • {"r":1,"c":0,"v":50}
  • {"r":2,"c":0,"v":29}
  • {"r":4,"c":2,"v":4}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [51, 37] → [26, _, _] → [_, _, 9, 3] → [_, _, 8, 1, _]

Show answer

Answer: Row3[2]=25, Row3[3]=12, Row1[1]=88, Row5[2]=8, Row4[1]=10, Row5[1]=2, Row5[5]=2, Row4[2]=16

SubType
number-pyramid
Difficulty
hard
Levels
  • [88]
  • [51,37]
  • [26,25,12]
  • [10,16,9,3]
  • [2,8,8,1,2]
Base
  • 2
  • 8
  • 8
  • 1
  • 2
TopValue
88
HiddenCells
  • {"r":2,"c":1,"v":25}
  • {"r":2,"c":2,"v":12}
  • {"r":0,"c":0,"v":88}
  • {"r":4,"c":1,"v":8}
  • {"r":3,"c":0,"v":10}
  • {"r":4,"c":0,"v":2}
  • {"r":4,"c":4,"v":2}
  • {"r":3,"c":1,"v":16}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, _] → [24, 16, _] → [14, _, 6, 11] → [7, _, _, 3, _]

Show answer

Answer: Row5[5]=8, Row3[3]=17, Row1[1]=73, Row2[1]=40, Row5[3]=3, Row4[2]=10, Row5[2]=7, Row2[2]=33

SubType
number-pyramid
Difficulty
hard
Levels
  • [73]
  • [40,33]
  • [24,16,17]
  • [14,10,6,11]
  • [7,7,3,3,8]
Base
  • 7
  • 7
  • 3
  • 3
  • 8
TopValue
73
HiddenCells
  • {"r":4,"c":4,"v":8}
  • {"r":2,"c":2,"v":17}
  • {"r":0,"c":0,"v":73}
  • {"r":1,"c":0,"v":40}
  • {"r":4,"c":2,"v":3}
  • {"r":3,"c":1,"v":10}
  • {"r":4,"c":1,"v":7}
  • {"r":1,"c":1,"v":33}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [23, 34] → [_, 11, _] → [8, 4, _, 16] → [5, _, _, _, _]

Show answer

Answer: Row1[1]=57, Row5[5]=10, Row3[1]=12, Row5[4]=6, Row3[3]=23, Row5[3]=1, Row4[3]=7, Row5[2]=3

SubType
number-pyramid
Difficulty
hard
Levels
  • [57]
  • [23,34]
  • [12,11,23]
  • [8,4,7,16]
  • [5,3,1,6,10]
Base
  • 5
  • 3
  • 1
  • 6
  • 10
TopValue
57
HiddenCells
  • {"r":0,"c":0,"v":57}
  • {"r":4,"c":4,"v":10}
  • {"r":2,"c":0,"v":12}
  • {"r":4,"c":3,"v":6}
  • {"r":2,"c":2,"v":23}
  • {"r":4,"c":2,"v":1}
  • {"r":3,"c":2,"v":7}
  • {"r":4,"c":1,"v":3}