hard Set 44 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [44, 33] → [_, 17, _] → [_, _, 7, 9] → [_, 8, _, _, 4]

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Answer: Row3[3]=16, Row4[1]=17, Row3[1]=27, Row5[3]=2, Row5[4]=5, Row1[1]=77, Row5[1]=9, Row4[2]=10

SubType
number-pyramid
Difficulty
hard
Levels
  • [77]
  • [44,33]
  • [27,17,16]
  • [17,10,7,9]
  • [9,8,2,5,4]
Base
  • 9
  • 8
  • 2
  • 5
  • 4
TopValue
77
HiddenCells
  • {"r":2,"c":2,"v":16}
  • {"r":3,"c":0,"v":17}
  • {"r":2,"c":0,"v":27}
  • {"r":4,"c":2,"v":2}
  • {"r":4,"c":3,"v":5}
  • {"r":0,"c":0,"v":77}
  • {"r":4,"c":0,"v":9}
  • {"r":3,"c":1,"v":10}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [129] → [_, _] → [_, _, _] → [17, 18, 15, _] → [8, 9, 9, _, _]

Show answer

Answer: Row3[3]=28, Row4[4]=13, Row2[1]=68, Row2[2]=61, Row3[1]=35, Row5[4]=6, Row3[2]=33, Row5[5]=7

SubType
number-pyramid
Difficulty
hard
Levels
  • [129]
  • [68,61]
  • [35,33,28]
  • [17,18,15,13]
  • [8,9,9,6,7]
Base
  • 8
  • 9
  • 9
  • 6
  • 7
TopValue
129
HiddenCells
  • {"r":2,"c":2,"v":28}
  • {"r":3,"c":3,"v":13}
  • {"r":1,"c":0,"v":68}
  • {"r":1,"c":1,"v":61}
  • {"r":2,"c":0,"v":35}
  • {"r":4,"c":3,"v":6}
  • {"r":2,"c":1,"v":33}
  • {"r":4,"c":4,"v":7}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [103] → [_, 50] → [_, _, _] → [_, 14, _, _] → [6, 4, _, 5, 1]

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Answer: Row4[4]=6, Row3[3]=21, Row4[3]=15, Row4[1]=10, Row3[1]=24, Row3[2]=29, Row2[1]=53, Row5[3]=10

SubType
number-pyramid
Difficulty
hard
Levels
  • [103]
  • [53,50]
  • [24,29,21]
  • [10,14,15,6]
  • [6,4,10,5,1]
Base
  • 6
  • 4
  • 10
  • 5
  • 1
TopValue
103
HiddenCells
  • {"r":3,"c":3,"v":6}
  • {"r":2,"c":2,"v":21}
  • {"r":3,"c":2,"v":15}
  • {"r":3,"c":0,"v":10}
  • {"r":2,"c":0,"v":24}
  • {"r":2,"c":1,"v":29}
  • {"r":1,"c":0,"v":53}
  • {"r":4,"c":2,"v":10}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [57, 73] → [22, 35, _] → [7, _, 20, 18] → [_, _, _, _, _]

Show answer

Answer: Row4[2]=15, Row5[5]=8, Row3[3]=38, Row5[4]=10, Row5[1]=2, Row1[1]=130, Row5[3]=10, Row5[2]=5

SubType
number-pyramid
Difficulty
hard
Levels
  • [130]
  • [57,73]
  • [22,35,38]
  • [7,15,20,18]
  • [2,5,10,10,8]
Base
  • 2
  • 5
  • 10
  • 10
  • 8
TopValue
130
HiddenCells
  • {"r":3,"c":1,"v":15}
  • {"r":4,"c":4,"v":8}
  • {"r":2,"c":2,"v":38}
  • {"r":4,"c":3,"v":10}
  • {"r":4,"c":0,"v":2}
  • {"r":0,"c":0,"v":130}
  • {"r":4,"c":2,"v":10}
  • {"r":4,"c":1,"v":5}