hard Set 89 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [55, 46] → [30, _, _] → [_, 14, 11, _] → [_, 7, _, 4, _]

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Answer: Row5[5]=6, Row4[1]=16, Row1[1]=101, Row5[1]=9, Row5[3]=7, Row3[2]=25, Row4[4]=10, Row3[3]=21

SubType
number-pyramid
Difficulty
hard
Levels
  • [101]
  • [55,46]
  • [30,25,21]
  • [16,14,11,10]
  • [9,7,7,4,6]
Base
  • 9
  • 7
  • 7
  • 4
  • 6
TopValue
101
HiddenCells
  • {"r":4,"c":4,"v":6}
  • {"r":3,"c":0,"v":16}
  • {"r":0,"c":0,"v":101}
  • {"r":4,"c":0,"v":9}
  • {"r":4,"c":2,"v":7}
  • {"r":2,"c":1,"v":25}
  • {"r":3,"c":3,"v":10}
  • {"r":2,"c":2,"v":21}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [119] → [_, 61] → [28, 30, _] → [_, 16, _, _] → [_, 9, _, _, 10]

Show answer

Answer: Row5[4]=7, Row3[3]=31, Row4[4]=17, Row5[1]=3, Row5[3]=7, Row4[1]=12, Row2[1]=58, Row4[3]=14

SubType
number-pyramid
Difficulty
hard
Levels
  • [119]
  • [58,61]
  • [28,30,31]
  • [12,16,14,17]
  • [3,9,7,7,10]
Base
  • 3
  • 9
  • 7
  • 7
  • 10
TopValue
119
HiddenCells
  • {"r":4,"c":3,"v":7}
  • {"r":2,"c":2,"v":31}
  • {"r":3,"c":3,"v":17}
  • {"r":4,"c":0,"v":3}
  • {"r":4,"c":2,"v":7}
  • {"r":3,"c":0,"v":12}
  • {"r":1,"c":0,"v":58}
  • {"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): [_] → [27, _] → [15, 12, _] → [_, _, 4, 11] → [2, 5, _, _, _]

Show answer

Answer: Row4[1]=7, Row5[3]=3, Row1[1]=54, Row4[2]=8, Row5[4]=1, Row3[3]=15, Row5[5]=10, Row2[2]=27

SubType
number-pyramid
Difficulty
hard
Levels
  • [54]
  • [27,27]
  • [15,12,15]
  • [7,8,4,11]
  • [2,5,3,1,10]
Base
  • 2
  • 5
  • 3
  • 1
  • 10
TopValue
54
HiddenCells
  • {"r":3,"c":0,"v":7}
  • {"r":4,"c":2,"v":3}
  • {"r":0,"c":0,"v":54}
  • {"r":3,"c":1,"v":8}
  • {"r":4,"c":3,"v":1}
  • {"r":2,"c":2,"v":15}
  • {"r":4,"c":4,"v":10}
  • {"r":1,"c":1,"v":27}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [113] → [52, _] → [_, _, 32] → [10, _, 16, _] → [_, 6, 7, _, _]

Show answer

Answer: Row4[2]=13, Row2[2]=61, Row5[5]=7, Row4[4]=16, Row5[1]=4, Row3[2]=29, Row5[4]=9, Row3[1]=23

SubType
number-pyramid
Difficulty
hard
Levels
  • [113]
  • [52,61]
  • [23,29,32]
  • [10,13,16,16]
  • [4,6,7,9,7]
Base
  • 4
  • 6
  • 7
  • 9
  • 7
TopValue
113
HiddenCells
  • {"r":3,"c":1,"v":13}
  • {"r":1,"c":1,"v":61}
  • {"r":4,"c":4,"v":7}
  • {"r":3,"c":3,"v":16}
  • {"r":4,"c":0,"v":4}
  • {"r":2,"c":1,"v":29}
  • {"r":4,"c":3,"v":9}
  • {"r":2,"c":0,"v":23}