hard Set 84 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 26] → [_, _, _] → [_, 6, _, 8] → [4, 5, 1, 5, _]

Show answer

Answer: Row3[3]=14, Row4[1]=9, Row3[1]=15, Row2[1]=27, Row4[3]=6, Row1[1]=53, Row3[2]=12, Row5[5]=3

SubType
number-pyramid
Difficulty
hard
Levels
  • [53]
  • [27,26]
  • [15,12,14]
  • [9,6,6,8]
  • [4,5,1,5,3]
Base
  • 4
  • 5
  • 1
  • 5
  • 3
TopValue
53
HiddenCells
  • {"r":2,"c":2,"v":14}
  • {"r":3,"c":0,"v":9}
  • {"r":2,"c":0,"v":15}
  • {"r":1,"c":0,"v":27}
  • {"r":3,"c":2,"v":6}
  • {"r":0,"c":0,"v":53}
  • {"r":2,"c":1,"v":12}
  • {"r":4,"c":4,"v":3}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [73] → [38, _] → [_, _, _] → [_, _, 10, _] → [10, 4, 3, 7, _]

Show answer

Answer: Row4[4]=8, Row3[2]=17, Row3[3]=18, Row4[2]=7, Row2[2]=35, Row4[1]=14, Row5[5]=1, Row3[1]=21

SubType
number-pyramid
Difficulty
hard
Levels
  • [73]
  • [38,35]
  • [21,17,18]
  • [14,7,10,8]
  • [10,4,3,7,1]
Base
  • 10
  • 4
  • 3
  • 7
  • 1
TopValue
73
HiddenCells
  • {"r":3,"c":3,"v":8}
  • {"r":2,"c":1,"v":17}
  • {"r":2,"c":2,"v":18}
  • {"r":3,"c":1,"v":7}
  • {"r":1,"c":1,"v":35}
  • {"r":3,"c":0,"v":14}
  • {"r":4,"c":4,"v":1}
  • {"r":2,"c":0,"v":21}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, _] → [25, 10, 9] → [_, 8, _, 7] → [_, _, 1, 1, _]

Show answer

Answer: Row1[1]=54, Row2[1]=35, Row4[3]=2, Row5[2]=7, Row5[5]=6, Row4[1]=17, Row2[2]=19, Row5[1]=10

SubType
number-pyramid
Difficulty
hard
Levels
  • [54]
  • [35,19]
  • [25,10,9]
  • [17,8,2,7]
  • [10,7,1,1,6]
Base
  • 10
  • 7
  • 1
  • 1
  • 6
TopValue
54
HiddenCells
  • {"r":0,"c":0,"v":54}
  • {"r":1,"c":0,"v":35}
  • {"r":3,"c":2,"v":2}
  • {"r":4,"c":1,"v":7}
  • {"r":4,"c":4,"v":6}
  • {"r":3,"c":0,"v":17}
  • {"r":1,"c":1,"v":19}
  • {"r":4,"c":0,"v":10}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [74] → [39, _] → [25, _, _] → [_, 8, _, _] → [_, 7, 1, 5, _]

Show answer

Answer: Row2[2]=35, Row4[3]=6, Row5[5]=10, Row4[4]=15, Row5[1]=10, Row4[1]=17, Row3[2]=14, Row3[3]=21

SubType
number-pyramid
Difficulty
hard
Levels
  • [74]
  • [39,35]
  • [25,14,21]
  • [17,8,6,15]
  • [10,7,1,5,10]
Base
  • 10
  • 7
  • 1
  • 5
  • 10
TopValue
74
HiddenCells
  • {"r":1,"c":1,"v":35}
  • {"r":3,"c":2,"v":6}
  • {"r":4,"c":4,"v":10}
  • {"r":3,"c":3,"v":15}
  • {"r":4,"c":0,"v":10}
  • {"r":3,"c":0,"v":17}
  • {"r":2,"c":1,"v":14}
  • {"r":2,"c":2,"v":21}