hard Set 88 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, _] → [_, 7, 10] → [5, 5, 2, 8] → [_, _, _, 1, _]

Show answer

Answer: Row5[5]=7, Row3[1]=10, Row1[1]=34, Row5[2]=4, Row2[1]=17, Row2[2]=17, Row5[1]=1, Row5[3]=1

SubType
number-pyramid
Difficulty
hard
Levels
  • [34]
  • [17,17]
  • [10,7,10]
  • [5,5,2,8]
  • [1,4,1,1,7]
Base
  • 1
  • 4
  • 1
  • 1
  • 7
TopValue
34
HiddenCells
  • {"r":4,"c":4,"v":7}
  • {"r":2,"c":0,"v":10}
  • {"r":0,"c":0,"v":34}
  • {"r":4,"c":1,"v":4}
  • {"r":1,"c":0,"v":17}
  • {"r":1,"c":1,"v":17}
  • {"r":4,"c":0,"v":1}
  • {"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): [76] → [35, _] → [17, 18, _] → [11, _, _, _] → [_, _, _, 8, 3]

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Answer: Row5[3]=4, Row5[1]=9, Row2[2]=41, Row4[2]=6, Row4[3]=12, Row5[2]=2, Row3[3]=23, Row4[4]=11

SubType
number-pyramid
Difficulty
hard
Levels
  • [76]
  • [35,41]
  • [17,18,23]
  • [11,6,12,11]
  • [9,2,4,8,3]
Base
  • 9
  • 2
  • 4
  • 8
  • 3
TopValue
76
HiddenCells
  • {"r":4,"c":2,"v":4}
  • {"r":4,"c":0,"v":9}
  • {"r":1,"c":1,"v":41}
  • {"r":3,"c":1,"v":6}
  • {"r":3,"c":2,"v":12}
  • {"r":4,"c":1,"v":2}
  • {"r":2,"c":2,"v":23}
  • {"r":3,"c":3,"v":11}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, _] → [33, _, 16] → [17, 16, _, 6] → [_, _, _, 2, 4]

Show answer

Answer: Row3[2]=26, Row5[2]=8, Row5[3]=8, Row2[1]=59, Row5[1]=9, Row1[1]=101, Row4[3]=10, Row2[2]=42

SubType
number-pyramid
Difficulty
hard
Levels
  • [101]
  • [59,42]
  • [33,26,16]
  • [17,16,10,6]
  • [9,8,8,2,4]
Base
  • 9
  • 8
  • 8
  • 2
  • 4
TopValue
101
HiddenCells
  • {"r":2,"c":1,"v":26}
  • {"r":4,"c":1,"v":8}
  • {"r":4,"c":2,"v":8}
  • {"r":1,"c":0,"v":59}
  • {"r":4,"c":0,"v":9}
  • {"r":0,"c":0,"v":101}
  • {"r":3,"c":2,"v":10}
  • {"r":1,"c":1,"v":42}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 41] → [16, 16, 25] → [9, _, 9, 16] → [_, _, _, _, _]

Show answer

Answer: Row5[1]=5, Row2[1]=32, Row4[2]=7, Row1[1]=73, Row5[3]=3, Row5[2]=4, Row5[5]=10, Row5[4]=6

SubType
number-pyramid
Difficulty
hard
Levels
  • [73]
  • [32,41]
  • [16,16,25]
  • [9,7,9,16]
  • [5,4,3,6,10]
Base
  • 5
  • 4
  • 3
  • 6
  • 10
TopValue
73
HiddenCells
  • {"r":4,"c":0,"v":5}
  • {"r":1,"c":0,"v":32}
  • {"r":3,"c":1,"v":7}
  • {"r":0,"c":0,"v":73}
  • {"r":4,"c":2,"v":3}
  • {"r":4,"c":1,"v":4}
  • {"r":4,"c":4,"v":10}
  • {"r":4,"c":3,"v":6}