hard Set 23 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [54, 54] → [_, _, _] → [_, _, _, _] → [5, 5, 9, 7, 1]

Show answer

Answer: Row3[3]=24, Row3[2]=30, Row3[1]=24, Row4[4]=8, Row4[1]=10, Row4[2]=14, Row1[1]=108, Row4[3]=16

SubType
number-pyramid
Difficulty
hard
Levels
  • [108]
  • [54,54]
  • [24,30,24]
  • [10,14,16,8]
  • [5,5,9,7,1]
Base
  • 5
  • 5
  • 9
  • 7
  • 1
TopValue
108
HiddenCells
  • {"r":2,"c":2,"v":24}
  • {"r":2,"c":1,"v":30}
  • {"r":2,"c":0,"v":24}
  • {"r":3,"c":3,"v":8}
  • {"r":3,"c":0,"v":10}
  • {"r":3,"c":1,"v":14}
  • {"r":0,"c":0,"v":108}
  • {"r":3,"c":2,"v":16}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 61] → [_, _, 33] → [6, 11, _, _] → [3, 3, _, 9, _]

Show answer

Answer: Row3[2]=28, Row1[1]=106, Row4[4]=16, Row3[1]=17, Row5[3]=8, Row4[3]=17, Row5[5]=7, Row2[1]=45

SubType
number-pyramid
Difficulty
hard
Levels
  • [106]
  • [45,61]
  • [17,28,33]
  • [6,11,17,16]
  • [3,3,8,9,7]
Base
  • 3
  • 3
  • 8
  • 9
  • 7
TopValue
106
HiddenCells
  • {"r":2,"c":1,"v":28}
  • {"r":0,"c":0,"v":106}
  • {"r":3,"c":3,"v":16}
  • {"r":2,"c":0,"v":17}
  • {"r":4,"c":2,"v":8}
  • {"r":3,"c":2,"v":17}
  • {"r":4,"c":4,"v":7}
  • {"r":1,"c":0,"v":45}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [59] → [_, 26] → [_, _, _] → [7, 10, _, _] → [1, 6, 4, _, _]

Show answer

Answer: Row4[3]=6, Row3[1]=17, Row3[2]=16, Row5[5]=2, Row4[4]=4, Row2[1]=33, Row5[4]=2, Row3[3]=10

SubType
number-pyramid
Difficulty
hard
Levels
  • [59]
  • [33,26]
  • [17,16,10]
  • [7,10,6,4]
  • [1,6,4,2,2]
Base
  • 1
  • 6
  • 4
  • 2
  • 2
TopValue
59
HiddenCells
  • {"r":3,"c":2,"v":6}
  • {"r":2,"c":0,"v":17}
  • {"r":2,"c":1,"v":16}
  • {"r":4,"c":4,"v":2}
  • {"r":3,"c":3,"v":4}
  • {"r":1,"c":0,"v":33}
  • {"r":4,"c":3,"v":2}
  • {"r":2,"c":2,"v":10}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [129] → [_, 63] → [_, 34, _] → [_, 18, _, 13] → [_, 9, _, 7, _]

Show answer

Answer: Row4[1]=14, Row5[3]=9, Row5[5]=6, Row5[1]=5, Row2[1]=66, Row3[3]=29, Row3[1]=32, Row4[3]=16

SubType
number-pyramid
Difficulty
hard
Levels
  • [129]
  • [66,63]
  • [32,34,29]
  • [14,18,16,13]
  • [5,9,9,7,6]
Base
  • 5
  • 9
  • 9
  • 7
  • 6
TopValue
129
HiddenCells
  • {"r":3,"c":0,"v":14}
  • {"r":4,"c":2,"v":9}
  • {"r":4,"c":4,"v":6}
  • {"r":4,"c":0,"v":5}
  • {"r":1,"c":0,"v":66}
  • {"r":2,"c":2,"v":29}
  • {"r":2,"c":0,"v":32}
  • {"r":3,"c":2,"v":16}