hard Set 100 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [112] → [_, _] → [_, _, 31] → [_, 14, 13, _] → [4, 9, _, _, 10]

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Answer: Row5[4]=8, Row2[2]=58, Row4[1]=13, Row2[1]=54, Row5[3]=5, Row3[2]=27, Row3[1]=27, Row4[4]=18

SubType
number-pyramid
Difficulty
hard
Levels
  • [112]
  • [54,58]
  • [27,27,31]
  • [13,14,13,18]
  • [4,9,5,8,10]
Base
  • 4
  • 9
  • 5
  • 8
  • 10
TopValue
112
HiddenCells
  • {"r":4,"c":3,"v":8}
  • {"r":1,"c":1,"v":58}
  • {"r":3,"c":0,"v":13}
  • {"r":1,"c":0,"v":54}
  • {"r":4,"c":2,"v":5}
  • {"r":2,"c":1,"v":27}
  • {"r":2,"c":0,"v":27}
  • {"r":3,"c":3,"v":18}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [46] → [_, 20] → [15, _, 9] → [_, _, 5, 4] → [_, _, 3, _, _]

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Answer: Row5[5]=2, Row4[2]=6, Row5[2]=3, Row3[2]=11, Row5[4]=2, Row5[1]=6, Row4[1]=9, Row2[1]=26

SubType
number-pyramid
Difficulty
hard
Levels
  • [46]
  • [26,20]
  • [15,11,9]
  • [9,6,5,4]
  • [6,3,3,2,2]
Base
  • 6
  • 3
  • 3
  • 2
  • 2
TopValue
46
HiddenCells
  • {"r":4,"c":4,"v":2}
  • {"r":3,"c":1,"v":6}
  • {"r":4,"c":1,"v":3}
  • {"r":2,"c":1,"v":11}
  • {"r":4,"c":3,"v":2}
  • {"r":4,"c":0,"v":6}
  • {"r":3,"c":0,"v":9}
  • {"r":1,"c":0,"v":26}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [118] → [_, _] → [28, 32, 26] → [11, _, _, _] → [_, 7, _, _, 6]

Show answer

Answer: Row4[4]=11, Row4[2]=17, Row5[3]=10, Row5[4]=5, Row5[1]=4, Row4[3]=15, Row2[1]=60, Row2[2]=58

SubType
number-pyramid
Difficulty
hard
Levels
  • [118]
  • [60,58]
  • [28,32,26]
  • [11,17,15,11]
  • [4,7,10,5,6]
Base
  • 4
  • 7
  • 10
  • 5
  • 6
TopValue
118
HiddenCells
  • {"r":3,"c":3,"v":11}
  • {"r":3,"c":1,"v":17}
  • {"r":4,"c":2,"v":10}
  • {"r":4,"c":3,"v":5}
  • {"r":4,"c":0,"v":4}
  • {"r":3,"c":2,"v":15}
  • {"r":1,"c":0,"v":60}
  • {"r":1,"c":1,"v":58}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, _] → [14, _, _] → [8, 6, _, 12] → [4, _, 2, _, 4]

Show answer

Answer: Row2[1]=30, Row1[1]=68, Row5[4]=8, Row4[3]=10, Row5[2]=4, Row3[2]=16, Row2[2]=38, Row3[3]=22

SubType
number-pyramid
Difficulty
hard
Levels
  • [68]
  • [30,38]
  • [14,16,22]
  • [8,6,10,12]
  • [4,4,2,8,4]
Base
  • 4
  • 4
  • 2
  • 8
  • 4
TopValue
68
HiddenCells
  • {"r":1,"c":0,"v":30}
  • {"r":0,"c":0,"v":68}
  • {"r":4,"c":3,"v":8}
  • {"r":3,"c":2,"v":10}
  • {"r":4,"c":1,"v":4}
  • {"r":2,"c":1,"v":16}
  • {"r":1,"c":1,"v":38}
  • {"r":2,"c":2,"v":22}