hard Set 52 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [53, _] → [30, 23, _] → [_, 13, 10, 10] → [_, _, _, _, 3]

Show answer

Answer: Row1[1]=96, Row2[2]=43, Row5[1]=7, Row4[1]=17, Row5[2]=10, Row5[4]=7, Row5[3]=3, Row3[3]=20

SubType
number-pyramid
Difficulty
hard
Levels
  • [96]
  • [53,43]
  • [30,23,20]
  • [17,13,10,10]
  • [7,10,3,7,3]
Base
  • 7
  • 10
  • 3
  • 7
  • 3
TopValue
96
HiddenCells
  • {"r":0,"c":0,"v":96}
  • {"r":1,"c":1,"v":43}
  • {"r":4,"c":0,"v":7}
  • {"r":3,"c":0,"v":17}
  • {"r":4,"c":1,"v":10}
  • {"r":4,"c":3,"v":7}
  • {"r":4,"c":2,"v":3}
  • {"r":2,"c":2,"v":20}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 33] → [_, 11, _] → [4, _, _, 14] → [_, _, 1, 7, 7]

Show answer

Answer: Row4[2]=3, Row5[2]=2, Row5[1]=2, Row4[3]=8, Row2[1]=18, Row3[3]=22, Row1[1]=51, Row3[1]=7

SubType
number-pyramid
Difficulty
hard
Levels
  • [51]
  • [18,33]
  • [7,11,22]
  • [4,3,8,14]
  • [2,2,1,7,7]
Base
  • 2
  • 2
  • 1
  • 7
  • 7
TopValue
51
HiddenCells
  • {"r":3,"c":1,"v":3}
  • {"r":4,"c":1,"v":2}
  • {"r":4,"c":0,"v":2}
  • {"r":3,"c":2,"v":8}
  • {"r":1,"c":0,"v":18}
  • {"r":2,"c":2,"v":22}
  • {"r":0,"c":0,"v":51}
  • {"r":2,"c":0,"v":7}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [80] → [_, 36] → [_, 20, _] → [_, 14, _, 10] → [_, _, 5, _, 9]

Show answer

Answer: Row5[4]=1, Row4[3]=6, Row5[2]=9, Row4[1]=10, Row2[1]=44, Row3[1]=24, Row3[3]=16, Row5[1]=1

SubType
number-pyramid
Difficulty
hard
Levels
  • [80]
  • [44,36]
  • [24,20,16]
  • [10,14,6,10]
  • [1,9,5,1,9]
Base
  • 1
  • 9
  • 5
  • 1
  • 9
TopValue
80
HiddenCells
  • {"r":4,"c":3,"v":1}
  • {"r":3,"c":2,"v":6}
  • {"r":4,"c":1,"v":9}
  • {"r":3,"c":0,"v":10}
  • {"r":1,"c":0,"v":44}
  • {"r":2,"c":0,"v":24}
  • {"r":2,"c":2,"v":16}
  • {"r":4,"c":0,"v":1}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 66] → [_, 37, 29] → [13, _, _, 12] → [3, _, 10, _, _]

Show answer

Answer: Row4[2]=20, Row5[5]=5, Row3[1]=33, Row4[3]=17, Row2[1]=70, Row1[1]=136, Row5[4]=7, Row5[2]=10

SubType
number-pyramid
Difficulty
hard
Levels
  • [136]
  • [70,66]
  • [33,37,29]
  • [13,20,17,12]
  • [3,10,10,7,5]
Base
  • 3
  • 10
  • 10
  • 7
  • 5
TopValue
136
HiddenCells
  • {"r":3,"c":1,"v":20}
  • {"r":4,"c":4,"v":5}
  • {"r":2,"c":0,"v":33}
  • {"r":3,"c":2,"v":17}
  • {"r":1,"c":0,"v":70}
  • {"r":0,"c":0,"v":136}
  • {"r":4,"c":3,"v":7}
  • {"r":4,"c":1,"v":10}