hard Set 45 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [43] → [_, _] → [_, _, _] → [_, 4, _, 7] → [_, 1, 3, 3, 4]

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Answer: Row4[3]=6, Row3[3]=13, Row3[1]=10, Row4[1]=6, Row2[2]=23, Row3[2]=10, Row2[1]=20, Row5[1]=5

SubType
number-pyramid
Difficulty
hard
Levels
  • [43]
  • [20,23]
  • [10,10,13]
  • [6,4,6,7]
  • [5,1,3,3,4]
Base
  • 5
  • 1
  • 3
  • 3
  • 4
TopValue
43
HiddenCells
  • {"r":3,"c":2,"v":6}
  • {"r":2,"c":2,"v":13}
  • {"r":2,"c":0,"v":10}
  • {"r":3,"c":0,"v":6}
  • {"r":1,"c":1,"v":23}
  • {"r":2,"c":1,"v":10}
  • {"r":1,"c":0,"v":20}
  • {"r":4,"c":0,"v":5}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [38, _] → [18, 20, _] → [9, 9, _, 8] → [_, _, 8, _, _]

Show answer

Answer: Row2[2]=39, Row5[4]=3, Row1[1]=77, Row3[3]=19, Row5[5]=5, Row5[1]=8, Row4[3]=11, Row5[2]=1

SubType
number-pyramid
Difficulty
hard
Levels
  • [77]
  • [38,39]
  • [18,20,19]
  • [9,9,11,8]
  • [8,1,8,3,5]
Base
  • 8
  • 1
  • 8
  • 3
  • 5
TopValue
77
HiddenCells
  • {"r":1,"c":1,"v":39}
  • {"r":4,"c":3,"v":3}
  • {"r":0,"c":0,"v":77}
  • {"r":2,"c":2,"v":19}
  • {"r":4,"c":4,"v":5}
  • {"r":4,"c":0,"v":8}
  • {"r":3,"c":2,"v":11}
  • {"r":4,"c":1,"v":1}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [39, 37] → [_, _, 18] → [9, _, _, 10] → [_, _, 6, _, 8]

Show answer

Answer: Row1[1]=76, Row5[2]=5, Row5[4]=2, Row3[2]=19, Row4[3]=8, Row4[2]=11, Row3[1]=20, Row5[1]=4

SubType
number-pyramid
Difficulty
hard
Levels
  • [76]
  • [39,37]
  • [20,19,18]
  • [9,11,8,10]
  • [4,5,6,2,8]
Base
  • 4
  • 5
  • 6
  • 2
  • 8
TopValue
76
HiddenCells
  • {"r":0,"c":0,"v":76}
  • {"r":4,"c":1,"v":5}
  • {"r":4,"c":3,"v":2}
  • {"r":2,"c":1,"v":19}
  • {"r":3,"c":2,"v":8}
  • {"r":3,"c":1,"v":11}
  • {"r":2,"c":0,"v":20}
  • {"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): [_] → [_, 32] → [_, _, 14] → [_, _, 8, _] → [3, 4, 6, 2, _]

Show answer

Answer: Row4[1]=7, Row2[1]=35, Row3[2]=18, Row4[4]=6, Row3[1]=17, Row1[1]=67, Row4[2]=10, Row5[5]=4

SubType
number-pyramid
Difficulty
hard
Levels
  • [67]
  • [35,32]
  • [17,18,14]
  • [7,10,8,6]
  • [3,4,6,2,4]
Base
  • 3
  • 4
  • 6
  • 2
  • 4
TopValue
67
HiddenCells
  • {"r":3,"c":0,"v":7}
  • {"r":1,"c":0,"v":35}
  • {"r":2,"c":1,"v":18}
  • {"r":3,"c":3,"v":6}
  • {"r":2,"c":0,"v":17}
  • {"r":0,"c":0,"v":67}
  • {"r":3,"c":1,"v":10}
  • {"r":4,"c":4,"v":4}