hard Set 85 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 22] → [29, 14, _] → [18, 11, _, _] → [_, _, 1, 2, _]

Show answer

Answer: Row4[4]=5, Row3[3]=8, Row2[1]=43, Row5[2]=10, Row5[5]=3, Row4[3]=3, Row5[1]=8, Row1[1]=65

SubType
number-pyramid
Difficulty
hard
Levels
  • [65]
  • [43,22]
  • [29,14,8]
  • [18,11,3,5]
  • [8,10,1,2,3]
Base
  • 8
  • 10
  • 1
  • 2
  • 3
TopValue
65
HiddenCells
  • {"r":3,"c":3,"v":5}
  • {"r":2,"c":2,"v":8}
  • {"r":1,"c":0,"v":43}
  • {"r":4,"c":1,"v":10}
  • {"r":4,"c":4,"v":3}
  • {"r":3,"c":2,"v":3}
  • {"r":4,"c":0,"v":8}
  • {"r":0,"c":0,"v":65}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, _] → [15, 17, _] → [_, 7, _, 14] → [_, 6, _, 9, 5]

Show answer

Answer: Row4[1]=8, Row2[2]=41, Row4[3]=10, Row2[1]=32, Row5[1]=2, Row1[1]=73, Row3[3]=24, Row5[3]=1

SubType
number-pyramid
Difficulty
hard
Levels
  • [73]
  • [32,41]
  • [15,17,24]
  • [8,7,10,14]
  • [2,6,1,9,5]
Base
  • 2
  • 6
  • 1
  • 9
  • 5
TopValue
73
HiddenCells
  • {"r":3,"c":0,"v":8}
  • {"r":1,"c":1,"v":41}
  • {"r":3,"c":2,"v":10}
  • {"r":1,"c":0,"v":32}
  • {"r":4,"c":0,"v":2}
  • {"r":0,"c":0,"v":73}
  • {"r":2,"c":2,"v":24}
  • {"r":4,"c":2,"v":1}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [31, 19] → [20, _, _] → [_, 8, 3, _] → [_, _, 1, _, 3]

Show answer

Answer: Row4[1]=12, Row3[2]=11, Row5[1]=5, Row5[2]=7, Row1[1]=50, Row4[4]=5, Row3[3]=8, Row5[4]=2

SubType
number-pyramid
Difficulty
hard
Levels
  • [50]
  • [31,19]
  • [20,11,8]
  • [12,8,3,5]
  • [5,7,1,2,3]
Base
  • 5
  • 7
  • 1
  • 2
  • 3
TopValue
50
HiddenCells
  • {"r":3,"c":0,"v":12}
  • {"r":2,"c":1,"v":11}
  • {"r":4,"c":0,"v":5}
  • {"r":4,"c":1,"v":7}
  • {"r":0,"c":0,"v":50}
  • {"r":3,"c":3,"v":5}
  • {"r":2,"c":2,"v":8}
  • {"r":4,"c":3,"v":2}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [77] → [_, _] → [24, _, _] → [13, 11, _, 7] → [9, 4, _, _, _]

Show answer

Answer: Row2[2]=34, Row5[4]=1, Row3[3]=15, Row3[2]=19, Row5[3]=7, Row4[3]=8, Row5[5]=6, Row2[1]=43

SubType
number-pyramid
Difficulty
hard
Levels
  • [77]
  • [43,34]
  • [24,19,15]
  • [13,11,8,7]
  • [9,4,7,1,6]
Base
  • 9
  • 4
  • 7
  • 1
  • 6
TopValue
77
HiddenCells
  • {"r":1,"c":1,"v":34}
  • {"r":4,"c":3,"v":1}
  • {"r":2,"c":2,"v":15}
  • {"r":2,"c":1,"v":19}
  • {"r":4,"c":2,"v":7}
  • {"r":3,"c":2,"v":8}
  • {"r":4,"c":4,"v":6}
  • {"r":1,"c":0,"v":43}