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): [153] → [_, 76] → [_, _, _] → [18, 20, _, _] → [8, 10, _, 9, _]

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Answer: Row4[4]=18, Row3[1]=38, Row4[3]=19, Row5[3]=10, Row5[5]=9, Row2[1]=77, Row3[3]=37, Row3[2]=39

SubType
number-pyramid
Difficulty
hard
Levels
  • [153]
  • [77,76]
  • [38,39,37]
  • [18,20,19,18]
  • [8,10,10,9,9]
Base
  • 8
  • 10
  • 10
  • 9
  • 9
TopValue
153
HiddenCells
  • {"r":3,"c":3,"v":18}
  • {"r":2,"c":0,"v":38}
  • {"r":3,"c":2,"v":19}
  • {"r":4,"c":2,"v":10}
  • {"r":4,"c":4,"v":9}
  • {"r":1,"c":0,"v":77}
  • {"r":2,"c":2,"v":37}
  • {"r":2,"c":1,"v":39}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [81] → [_, 38] → [_, 18, _] → [16, _, 9, _] → [8, 8, _, _, _]

Show answer

Answer: Row5[3]=1, Row4[4]=11, Row3[3]=20, Row4[2]=9, Row2[1]=43, Row3[1]=25, Row5[5]=3, Row5[4]=8

SubType
number-pyramid
Difficulty
hard
Levels
  • [81]
  • [43,38]
  • [25,18,20]
  • [16,9,9,11]
  • [8,8,1,8,3]
Base
  • 8
  • 8
  • 1
  • 8
  • 3
TopValue
81
HiddenCells
  • {"r":4,"c":2,"v":1}
  • {"r":3,"c":3,"v":11}
  • {"r":2,"c":2,"v":20}
  • {"r":3,"c":1,"v":9}
  • {"r":1,"c":0,"v":43}
  • {"r":2,"c":0,"v":25}
  • {"r":4,"c":4,"v":3}
  • {"r":4,"c":3,"v":8}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [62] → [_, _] → [_, 15, 22] → [_, _, _, 12] → [4, 1, _, 6, _]

Show answer

Answer: Row4[3]=10, Row2[2]=37, Row3[1]=10, Row4[1]=5, Row5[5]=6, Row5[3]=4, Row2[1]=25, Row4[2]=5

SubType
number-pyramid
Difficulty
hard
Levels
  • [62]
  • [25,37]
  • [10,15,22]
  • [5,5,10,12]
  • [4,1,4,6,6]
Base
  • 4
  • 1
  • 4
  • 6
  • 6
TopValue
62
HiddenCells
  • {"r":3,"c":2,"v":10}
  • {"r":1,"c":1,"v":37}
  • {"r":2,"c":0,"v":10}
  • {"r":3,"c":0,"v":5}
  • {"r":4,"c":4,"v":6}
  • {"r":4,"c":2,"v":4}
  • {"r":1,"c":0,"v":25}
  • {"r":3,"c":1,"v":5}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [115] → [56, 59] → [_, _, 33] → [17, _, _, _] → [_, _, _, 10, 10]

Show answer

Answer: Row4[4]=20, Row5[3]=3, Row3[1]=30, Row5[2]=10, Row4[3]=13, Row4[2]=13, Row5[1]=7, Row3[2]=26

SubType
number-pyramid
Difficulty
hard
Levels
  • [115]
  • [56,59]
  • [30,26,33]
  • [17,13,13,20]
  • [7,10,3,10,10]
Base
  • 7
  • 10
  • 3
  • 10
  • 10
TopValue
115
HiddenCells
  • {"r":3,"c":3,"v":20}
  • {"r":4,"c":2,"v":3}
  • {"r":2,"c":0,"v":30}
  • {"r":4,"c":1,"v":10}
  • {"r":3,"c":2,"v":13}
  • {"r":3,"c":1,"v":13}
  • {"r":4,"c":0,"v":7}
  • {"r":2,"c":1,"v":26}