hard Set 50 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 29] → [12, _, _] → [6, _, _, 9] → [2, 4, 2, _, _]

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Answer: Row2[1]=25, Row4[3]=7, Row1[1]=54, Row5[5]=4, Row3[3]=16, Row4[2]=6, Row5[4]=5, Row3[2]=13

SubType
number-pyramid
Difficulty
hard
Levels
  • [54]
  • [25,29]
  • [12,13,16]
  • [6,6,7,9]
  • [2,4,2,5,4]
Base
  • 2
  • 4
  • 2
  • 5
  • 4
TopValue
54
HiddenCells
  • {"r":1,"c":0,"v":25}
  • {"r":3,"c":2,"v":7}
  • {"r":0,"c":0,"v":54}
  • {"r":4,"c":4,"v":4}
  • {"r":2,"c":2,"v":16}
  • {"r":3,"c":1,"v":6}
  • {"r":4,"c":3,"v":5}
  • {"r":2,"c":1,"v":13}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [44] → [_, 21] → [_, _, _] → [7, 6, 4, 7] → [_, _, _, 2, _]

Show answer

Answer: Row5[1]=3, Row5[2]=4, Row3[1]=13, Row3[3]=11, Row2[1]=23, Row5[5]=5, Row3[2]=10, Row5[3]=2

SubType
number-pyramid
Difficulty
hard
Levels
  • [44]
  • [23,21]
  • [13,10,11]
  • [7,6,4,7]
  • [3,4,2,2,5]
Base
  • 3
  • 4
  • 2
  • 2
  • 5
TopValue
44
HiddenCells
  • {"r":4,"c":0,"v":3}
  • {"r":4,"c":1,"v":4}
  • {"r":2,"c":0,"v":13}
  • {"r":2,"c":2,"v":11}
  • {"r":1,"c":0,"v":23}
  • {"r":4,"c":4,"v":5}
  • {"r":2,"c":1,"v":10}
  • {"r":4,"c":2,"v":2}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [92] → [47, 45] → [_, 24, _] → [12, _, _, _] → [_, 5, 6, _, _]

Show answer

Answer: Row3[1]=23, Row5[5]=1, Row4[3]=13, Row5[1]=7, Row4[4]=8, Row4[2]=11, Row5[4]=7, Row3[3]=21

SubType
number-pyramid
Difficulty
hard
Levels
  • [92]
  • [47,45]
  • [23,24,21]
  • [12,11,13,8]
  • [7,5,6,7,1]
Base
  • 7
  • 5
  • 6
  • 7
  • 1
TopValue
92
HiddenCells
  • {"r":2,"c":0,"v":23}
  • {"r":4,"c":4,"v":1}
  • {"r":3,"c":2,"v":13}
  • {"r":4,"c":0,"v":7}
  • {"r":3,"c":3,"v":8}
  • {"r":3,"c":1,"v":11}
  • {"r":4,"c":3,"v":7}
  • {"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): [39] → [_, _] → [15, _, _] → [11, _, _, 10] → [_, 3, 1, _, 9]

Show answer

Answer: Row4[2]=4, Row5[4]=1, Row2[2]=18, Row3[3]=12, Row4[3]=2, Row3[2]=6, Row2[1]=21, Row5[1]=8

SubType
number-pyramid
Difficulty
hard
Levels
  • [39]
  • [21,18]
  • [15,6,12]
  • [11,4,2,10]
  • [8,3,1,1,9]
Base
  • 8
  • 3
  • 1
  • 1
  • 9
TopValue
39
HiddenCells
  • {"r":3,"c":1,"v":4}
  • {"r":4,"c":3,"v":1}
  • {"r":1,"c":1,"v":18}
  • {"r":2,"c":2,"v":12}
  • {"r":3,"c":2,"v":2}
  • {"r":2,"c":1,"v":6}
  • {"r":1,"c":0,"v":21}
  • {"r":4,"c":0,"v":8}