hard Set 70 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [35, 32] → [_, _, 18] → [_, _, 5, 13] → [_, _, 1, _, 9]

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Answer: Row4[1]=12, Row5[2]=8, Row1[1]=67, Row4[2]=9, Row3[1]=21, Row5[4]=4, Row3[2]=14, Row5[1]=4

SubType
number-pyramid
Difficulty
hard
Levels
  • [67]
  • [35,32]
  • [21,14,18]
  • [12,9,5,13]
  • [4,8,1,4,9]
Base
  • 4
  • 8
  • 1
  • 4
  • 9
TopValue
67
HiddenCells
  • {"r":3,"c":0,"v":12}
  • {"r":4,"c":1,"v":8}
  • {"r":0,"c":0,"v":67}
  • {"r":3,"c":1,"v":9}
  • {"r":2,"c":0,"v":21}
  • {"r":4,"c":3,"v":4}
  • {"r":2,"c":1,"v":14}
  • {"r":4,"c":0,"v":4}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [101] → [_, 55] → [_, _, 29] → [11, _, 17, _] → [10, _, _, _, 3]

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Answer: Row4[2]=9, Row2[1]=46, Row5[3]=8, Row3[2]=26, Row4[4]=12, Row3[1]=20, Row5[2]=1, Row5[4]=9

SubType
number-pyramid
Difficulty
hard
Levels
  • [101]
  • [46,55]
  • [20,26,29]
  • [11,9,17,12]
  • [10,1,8,9,3]
Base
  • 10
  • 1
  • 8
  • 9
  • 3
TopValue
101
HiddenCells
  • {"r":3,"c":1,"v":9}
  • {"r":1,"c":0,"v":46}
  • {"r":4,"c":2,"v":8}
  • {"r":2,"c":1,"v":26}
  • {"r":3,"c":3,"v":12}
  • {"r":2,"c":0,"v":20}
  • {"r":4,"c":1,"v":1}
  • {"r":4,"c":3,"v":9}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [22, 32] → [_, _, 22] → [_, _, 8, 14] → [9, 1, _, _, _]

Show answer

Answer: Row5[5]=7, Row3[2]=10, Row4[1]=10, Row3[1]=12, Row4[2]=2, Row1[1]=54, Row5[3]=1, Row5[4]=7

SubType
number-pyramid
Difficulty
hard
Levels
  • [54]
  • [22,32]
  • [12,10,22]
  • [10,2,8,14]
  • [9,1,1,7,7]
Base
  • 9
  • 1
  • 1
  • 7
  • 7
TopValue
54
HiddenCells
  • {"r":4,"c":4,"v":7}
  • {"r":2,"c":1,"v":10}
  • {"r":3,"c":0,"v":10}
  • {"r":2,"c":0,"v":12}
  • {"r":3,"c":1,"v":2}
  • {"r":0,"c":0,"v":54}
  • {"r":4,"c":2,"v":1}
  • {"r":4,"c":3,"v":7}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [51] → [26, 25] → [_, _, 13] → [_, _, _, _] → [1, 6, _, _, 4]

Show answer

Answer: Row3[1]=14, Row4[2]=7, Row5[4]=4, Row3[2]=12, Row4[4]=8, Row4[3]=5, Row5[3]=1, Row4[1]=7

SubType
number-pyramid
Difficulty
hard
Levels
  • [51]
  • [26,25]
  • [14,12,13]
  • [7,7,5,8]
  • [1,6,1,4,4]
Base
  • 1
  • 6
  • 1
  • 4
  • 4
TopValue
51
HiddenCells
  • {"r":2,"c":0,"v":14}
  • {"r":3,"c":1,"v":7}
  • {"r":4,"c":3,"v":4}
  • {"r":2,"c":1,"v":12}
  • {"r":3,"c":3,"v":8}
  • {"r":3,"c":2,"v":5}
  • {"r":4,"c":2,"v":1}
  • {"r":3,"c":0,"v":7}