hard Set 52 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 45] → [_, 19, _] → [_, 7, _, 14] → [_, 5, 2, _, 4]

Show answer

Answer: Row5[1]=2, Row1[1]=78, Row5[4]=10, Row4[1]=7, Row3[1]=14, Row3[3]=26, Row2[1]=33, Row4[3]=12

SubType
number-pyramid
Difficulty
hard
Levels
  • [78]
  • [33,45]
  • [14,19,26]
  • [7,7,12,14]
  • [2,5,2,10,4]
Base
  • 2
  • 5
  • 2
  • 10
  • 4
TopValue
78
HiddenCells
  • {"r":4,"c":0,"v":2}
  • {"r":0,"c":0,"v":78}
  • {"r":4,"c":3,"v":10}
  • {"r":3,"c":0,"v":7}
  • {"r":2,"c":0,"v":14}
  • {"r":2,"c":2,"v":26}
  • {"r":1,"c":0,"v":33}
  • {"r":3,"c":2,"v":12}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, _] → [_, 30, 35] → [_, _, _, 17] → [6, 3, _, 9, 8]

Show answer

Answer: Row3[1]=21, Row4[2]=12, Row4[1]=9, Row2[2]=65, Row2[1]=51, Row1[1]=116, Row5[3]=9, Row4[3]=18

SubType
number-pyramid
Difficulty
hard
Levels
  • [116]
  • [51,65]
  • [21,30,35]
  • [9,12,18,17]
  • [6,3,9,9,8]
Base
  • 6
  • 3
  • 9
  • 9
  • 8
TopValue
116
HiddenCells
  • {"r":2,"c":0,"v":21}
  • {"r":3,"c":1,"v":12}
  • {"r":3,"c":0,"v":9}
  • {"r":1,"c":1,"v":65}
  • {"r":1,"c":0,"v":51}
  • {"r":0,"c":0,"v":116}
  • {"r":4,"c":2,"v":9}
  • {"r":3,"c":2,"v":18}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [31, _] → [_, 14, 19] → [_, _, _, 12] → [8, _, _, 2, 10]

Show answer

Answer: Row4[3]=7, Row5[3]=5, Row1[1]=64, Row4[1]=10, Row4[2]=7, Row3[1]=17, Row5[2]=2, Row2[2]=33

SubType
number-pyramid
Difficulty
hard
Levels
  • [64]
  • [31,33]
  • [17,14,19]
  • [10,7,7,12]
  • [8,2,5,2,10]
Base
  • 8
  • 2
  • 5
  • 2
  • 10
TopValue
64
HiddenCells
  • {"r":3,"c":2,"v":7}
  • {"r":4,"c":2,"v":5}
  • {"r":0,"c":0,"v":64}
  • {"r":3,"c":0,"v":10}
  • {"r":3,"c":1,"v":7}
  • {"r":2,"c":0,"v":17}
  • {"r":4,"c":1,"v":2}
  • {"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): [130] → [_, _] → [29, 35, 31] → [_, 18, _, _] → [_, 10, 8, _, _]

Show answer

Answer: Row5[1]=1, Row2[1]=64, Row4[1]=11, Row5[5]=5, Row4[4]=14, Row4[3]=17, Row5[4]=9, Row2[2]=66

SubType
number-pyramid
Difficulty
hard
Levels
  • [130]
  • [64,66]
  • [29,35,31]
  • [11,18,17,14]
  • [1,10,8,9,5]
Base
  • 1
  • 10
  • 8
  • 9
  • 5
TopValue
130
HiddenCells
  • {"r":4,"c":0,"v":1}
  • {"r":1,"c":0,"v":64}
  • {"r":3,"c":0,"v":11}
  • {"r":4,"c":4,"v":5}
  • {"r":3,"c":3,"v":14}
  • {"r":3,"c":2,"v":17}
  • {"r":4,"c":3,"v":9}
  • {"r":1,"c":1,"v":66}