hard Set 15 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [87] → [50, _] → [_, _, _] → [_, _, 11, 2] → [_, _, 10, 1, 1]

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Answer: Row5[1]=10, Row4[1]=13, Row4[2]=13, Row5[2]=3, Row2[2]=37, Row3[2]=24, Row3[3]=13, Row3[1]=26

SubType
number-pyramid
Difficulty
hard
Levels
  • [87]
  • [50,37]
  • [26,24,13]
  • [13,13,11,2]
  • [10,3,10,1,1]
Base
  • 10
  • 3
  • 10
  • 1
  • 1
TopValue
87
HiddenCells
  • {"r":4,"c":0,"v":10}
  • {"r":3,"c":0,"v":13}
  • {"r":3,"c":1,"v":13}
  • {"r":4,"c":1,"v":3}
  • {"r":1,"c":1,"v":37}
  • {"r":2,"c":1,"v":24}
  • {"r":2,"c":2,"v":13}
  • {"r":2,"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): [137] → [70, _] → [_, _, 30] → [14, _, 18, _] → [5, 9, _, _, _]

Show answer

Answer: Row5[3]=10, Row4[2]=19, Row4[4]=12, Row5[4]=8, Row2[2]=67, Row3[1]=33, Row3[2]=37, Row5[5]=4

SubType
number-pyramid
Difficulty
hard
Levels
  • [137]
  • [70,67]
  • [33,37,30]
  • [14,19,18,12]
  • [5,9,10,8,4]
Base
  • 5
  • 9
  • 10
  • 8
  • 4
TopValue
137
HiddenCells
  • {"r":4,"c":2,"v":10}
  • {"r":3,"c":1,"v":19}
  • {"r":3,"c":3,"v":12}
  • {"r":4,"c":3,"v":8}
  • {"r":1,"c":1,"v":67}
  • {"r":2,"c":0,"v":33}
  • {"r":2,"c":1,"v":37}
  • {"r":4,"c":4,"v":4}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [36] → [_, 18] → [_, _, 10] → [5, _, 3, _] → [_, _, 2, 1, _]

Show answer

Answer: Row5[2]=3, Row3[2]=8, Row4[4]=7, Row3[1]=10, Row5[1]=2, Row5[5]=6, Row2[1]=18, Row4[2]=5

SubType
number-pyramid
Difficulty
hard
Levels
  • [36]
  • [18,18]
  • [10,8,10]
  • [5,5,3,7]
  • [2,3,2,1,6]
Base
  • 2
  • 3
  • 2
  • 1
  • 6
TopValue
36
HiddenCells
  • {"r":4,"c":1,"v":3}
  • {"r":2,"c":1,"v":8}
  • {"r":3,"c":3,"v":7}
  • {"r":2,"c":0,"v":10}
  • {"r":4,"c":0,"v":2}
  • {"r":4,"c":4,"v":6}
  • {"r":1,"c":0,"v":18}
  • {"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): [_] → [38, _] → [_, 21, 16] → [_, 10, _, 5] → [6, 1, _, _, _]

Show answer

Answer: Row5[5]=3, Row1[1]=75, Row4[1]=7, Row3[1]=17, Row2[2]=37, Row5[3]=9, Row4[3]=11, Row5[4]=2

SubType
number-pyramid
Difficulty
hard
Levels
  • [75]
  • [38,37]
  • [17,21,16]
  • [7,10,11,5]
  • [6,1,9,2,3]
Base
  • 6
  • 1
  • 9
  • 2
  • 3
TopValue
75
HiddenCells
  • {"r":4,"c":4,"v":3}
  • {"r":0,"c":0,"v":75}
  • {"r":3,"c":0,"v":7}
  • {"r":2,"c":0,"v":17}
  • {"r":1,"c":1,"v":37}
  • {"r":4,"c":2,"v":9}
  • {"r":3,"c":2,"v":11}
  • {"r":4,"c":3,"v":2}