hard Set 39 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, _] → [19, _, _] → [10, 9, 13, 12] → [_, 3, 6, _, _]

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Answer: Row2[2]=47, Row3[2]=22, Row2[1]=41, Row5[1]=7, Row5[4]=7, Row1[1]=88, Row5[5]=5, Row3[3]=25

SubType
number-pyramid
Difficulty
hard
Levels
  • [88]
  • [41,47]
  • [19,22,25]
  • [10,9,13,12]
  • [7,3,6,7,5]
Base
  • 7
  • 3
  • 6
  • 7
  • 5
TopValue
88
HiddenCells
  • {"r":1,"c":1,"v":47}
  • {"r":2,"c":1,"v":22}
  • {"r":1,"c":0,"v":41}
  • {"r":4,"c":0,"v":7}
  • {"r":4,"c":3,"v":7}
  • {"r":0,"c":0,"v":88}
  • {"r":4,"c":4,"v":5}
  • {"r":2,"c":2,"v":25}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [56, 43] → [_, 26, _] → [15, _, _, _] → [7, 8, _, 4, _]

Show answer

Answer: Row4[2]=15, Row1[1]=99, Row5[5]=2, Row3[1]=30, Row4[4]=6, Row4[3]=11, Row3[3]=17, Row5[3]=7

SubType
number-pyramid
Difficulty
hard
Levels
  • [99]
  • [56,43]
  • [30,26,17]
  • [15,15,11,6]
  • [7,8,7,4,2]
Base
  • 7
  • 8
  • 7
  • 4
  • 2
TopValue
99
HiddenCells
  • {"r":3,"c":1,"v":15}
  • {"r":0,"c":0,"v":99}
  • {"r":4,"c":4,"v":2}
  • {"r":2,"c":0,"v":30}
  • {"r":3,"c":3,"v":6}
  • {"r":3,"c":2,"v":11}
  • {"r":2,"c":2,"v":17}
  • {"r":4,"c":2,"v":7}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [44, 39] → [24, _, _] → [13, _, 9, _] → [_, _, _, 7, 3]

Show answer

Answer: Row5[2]=9, Row1[1]=83, Row3[3]=19, Row4[2]=11, Row3[2]=20, Row4[4]=10, Row5[3]=2, Row5[1]=4

SubType
number-pyramid
Difficulty
hard
Levels
  • [83]
  • [44,39]
  • [24,20,19]
  • [13,11,9,10]
  • [4,9,2,7,3]
Base
  • 4
  • 9
  • 2
  • 7
  • 3
TopValue
83
HiddenCells
  • {"r":4,"c":1,"v":9}
  • {"r":0,"c":0,"v":83}
  • {"r":2,"c":2,"v":19}
  • {"r":3,"c":1,"v":11}
  • {"r":2,"c":1,"v":20}
  • {"r":3,"c":3,"v":10}
  • {"r":4,"c":2,"v":2}
  • {"r":4,"c":0,"v":4}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [74] → [_, _] → [_, _, 25] → [_, 8, 11, 14] → [_, _, 7, _, 10]

Show answer

Answer: Row3[2]=19, Row5[2]=1, Row5[1]=2, Row4[1]=3, Row2[1]=30, Row2[2]=44, Row5[4]=4, Row3[1]=11

SubType
number-pyramid
Difficulty
hard
Levels
  • [74]
  • [30,44]
  • [11,19,25]
  • [3,8,11,14]
  • [2,1,7,4,10]
Base
  • 2
  • 1
  • 7
  • 4
  • 10
TopValue
74
HiddenCells
  • {"r":2,"c":1,"v":19}
  • {"r":4,"c":1,"v":1}
  • {"r":4,"c":0,"v":2}
  • {"r":3,"c":0,"v":3}
  • {"r":1,"c":0,"v":30}
  • {"r":1,"c":1,"v":44}
  • {"r":4,"c":3,"v":4}
  • {"r":2,"c":0,"v":11}