hard Set 71 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [36, 16] → [25, 11, 5] → [_, _, _, _] → [8, 8, _, _, _]

Show answer

Answer: Row4[4]=3, Row5[3]=1, Row4[2]=9, Row4[1]=16, Row1[1]=52, Row5[4]=1, Row4[3]=2, Row5[5]=2

SubType
number-pyramid
Difficulty
hard
Levels
  • [52]
  • [36,16]
  • [25,11,5]
  • [16,9,2,3]
  • [8,8,1,1,2]
Base
  • 8
  • 8
  • 1
  • 1
  • 2
TopValue
52
HiddenCells
  • {"r":3,"c":3,"v":3}
  • {"r":4,"c":2,"v":1}
  • {"r":3,"c":1,"v":9}
  • {"r":3,"c":0,"v":16}
  • {"r":0,"c":0,"v":52}
  • {"r":4,"c":3,"v":1}
  • {"r":3,"c":2,"v":2}
  • {"r":4,"c":4,"v":2}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, _] → [23, 18, _] → [13, _, 8, 16] → [4, _, _, _, 9]

Show answer

Answer: Row3[3]=24, Row5[2]=9, Row2[1]=41, Row4[2]=10, Row2[2]=42, Row5[4]=7, Row5[3]=1, Row1[1]=83

SubType
number-pyramid
Difficulty
hard
Levels
  • [83]
  • [41,42]
  • [23,18,24]
  • [13,10,8,16]
  • [4,9,1,7,9]
Base
  • 4
  • 9
  • 1
  • 7
  • 9
TopValue
83
HiddenCells
  • {"r":2,"c":2,"v":24}
  • {"r":4,"c":1,"v":9}
  • {"r":1,"c":0,"v":41}
  • {"r":3,"c":1,"v":10}
  • {"r":1,"c":1,"v":42}
  • {"r":4,"c":3,"v":7}
  • {"r":4,"c":2,"v":1}
  • {"r":0,"c":0,"v":83}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [46, 45] → [_, 26, 19] → [8, _, _, 5] → [_, _, _, 4, _]

Show answer

Answer: Row1[1]=91, Row5[5]=1, Row3[1]=20, Row5[1]=6, Row4[2]=12, Row5[2]=2, Row5[3]=10, Row4[3]=14

SubType
number-pyramid
Difficulty
hard
Levels
  • [91]
  • [46,45]
  • [20,26,19]
  • [8,12,14,5]
  • [6,2,10,4,1]
Base
  • 6
  • 2
  • 10
  • 4
  • 1
TopValue
91
HiddenCells
  • {"r":0,"c":0,"v":91}
  • {"r":4,"c":4,"v":1}
  • {"r":2,"c":0,"v":20}
  • {"r":4,"c":0,"v":6}
  • {"r":3,"c":1,"v":12}
  • {"r":4,"c":1,"v":2}
  • {"r":4,"c":2,"v":10}
  • {"r":3,"c":2,"v":14}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [41] → [21, _] → [13, _, _] → [9, 4, 4, _] → [_, 2, _, _, _]

Show answer

Answer: Row3[3]=12, Row2[2]=20, Row5[4]=2, Row4[4]=8, Row5[3]=2, Row5[5]=6, Row5[1]=7, Row3[2]=8

SubType
number-pyramid
Difficulty
hard
Levels
  • [41]
  • [21,20]
  • [13,8,12]
  • [9,4,4,8]
  • [7,2,2,2,6]
Base
  • 7
  • 2
  • 2
  • 2
  • 6
TopValue
41
HiddenCells
  • {"r":2,"c":2,"v":12}
  • {"r":1,"c":1,"v":20}
  • {"r":4,"c":3,"v":2}
  • {"r":3,"c":3,"v":8}
  • {"r":4,"c":2,"v":2}
  • {"r":4,"c":4,"v":6}
  • {"r":4,"c":0,"v":7}
  • {"r":2,"c":1,"v":8}