hard Set 73 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [109] → [_, _] → [_, 30, _] → [10, 14, _, _] → [6, _, _, 6, 3]

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Answer: Row2[1]=54, Row4[4]=9, Row2[2]=55, Row3[3]=25, Row4[3]=16, Row3[1]=24, Row5[2]=4, Row5[3]=10

SubType
number-pyramid
Difficulty
hard
Levels
  • [109]
  • [54,55]
  • [24,30,25]
  • [10,14,16,9]
  • [6,4,10,6,3]
Base
  • 6
  • 4
  • 10
  • 6
  • 3
TopValue
109
HiddenCells
  • {"r":1,"c":0,"v":54}
  • {"r":3,"c":3,"v":9}
  • {"r":1,"c":1,"v":55}
  • {"r":2,"c":2,"v":25}
  • {"r":3,"c":2,"v":16}
  • {"r":2,"c":0,"v":24}
  • {"r":4,"c":1,"v":4}
  • {"r":4,"c":2,"v":10}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 31] → [19, _, _] → [9, 10, _, 11] → [2, _, _, 2, _]

Show answer

Answer: Row2[1]=34, Row3[2]=15, Row5[2]=7, Row4[3]=5, Row1[1]=65, Row5[3]=3, Row3[3]=16, Row5[5]=9

SubType
number-pyramid
Difficulty
hard
Levels
  • [65]
  • [34,31]
  • [19,15,16]
  • [9,10,5,11]
  • [2,7,3,2,9]
Base
  • 2
  • 7
  • 3
  • 2
  • 9
TopValue
65
HiddenCells
  • {"r":1,"c":0,"v":34}
  • {"r":2,"c":1,"v":15}
  • {"r":4,"c":1,"v":7}
  • {"r":3,"c":2,"v":5}
  • {"r":0,"c":0,"v":65}
  • {"r":4,"c":2,"v":3}
  • {"r":2,"c":2,"v":16}
  • {"r":4,"c":4,"v":9}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [45] → [23, _] → [_, 10, 12] → [_, 6, 4, _] → [_, _, _, _, 5]

Show answer

Answer: Row5[2]=5, Row4[1]=7, Row5[4]=3, Row5[3]=1, Row3[1]=13, Row5[1]=2, Row4[4]=8, Row2[2]=22

SubType
number-pyramid
Difficulty
hard
Levels
  • [45]
  • [23,22]
  • [13,10,12]
  • [7,6,4,8]
  • [2,5,1,3,5]
Base
  • 2
  • 5
  • 1
  • 3
  • 5
TopValue
45
HiddenCells
  • {"r":4,"c":1,"v":5}
  • {"r":3,"c":0,"v":7}
  • {"r":4,"c":3,"v":3}
  • {"r":4,"c":2,"v":1}
  • {"r":2,"c":0,"v":13}
  • {"r":4,"c":0,"v":2}
  • {"r":3,"c":3,"v":8}
  • {"r":1,"c":1,"v":22}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [106] → [56, _] → [_, _, 24] → [_, _, _, _] → [7, 10, _, 10, 1]

Show answer

Answer: Row2[2]=50, Row5[3]=3, Row4[2]=13, Row4[3]=13, Row3[2]=26, Row4[1]=17, Row3[1]=30, Row4[4]=11

SubType
number-pyramid
Difficulty
hard
Levels
  • [106]
  • [56,50]
  • [30,26,24]
  • [17,13,13,11]
  • [7,10,3,10,1]
Base
  • 7
  • 10
  • 3
  • 10
  • 1
TopValue
106
HiddenCells
  • {"r":1,"c":1,"v":50}
  • {"r":4,"c":2,"v":3}
  • {"r":3,"c":1,"v":13}
  • {"r":3,"c":2,"v":13}
  • {"r":2,"c":1,"v":26}
  • {"r":3,"c":0,"v":17}
  • {"r":2,"c":0,"v":30}
  • {"r":3,"c":3,"v":11}