hard Set 23 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 44] → [17, _, 28] → [11, _, 10, _] → [_, 5, _, 9, _]

Show answer

Answer: Row5[1]=6, Row3[2]=16, Row5[5]=9, Row4[2]=6, Row1[1]=77, Row5[3]=1, Row4[4]=18, Row2[1]=33

SubType
number-pyramid
Difficulty
hard
Levels
  • [77]
  • [33,44]
  • [17,16,28]
  • [11,6,10,18]
  • [6,5,1,9,9]
Base
  • 6
  • 5
  • 1
  • 9
  • 9
TopValue
77
HiddenCells
  • {"r":4,"c":0,"v":6}
  • {"r":2,"c":1,"v":16}
  • {"r":4,"c":4,"v":9}
  • {"r":3,"c":1,"v":6}
  • {"r":0,"c":0,"v":77}
  • {"r":4,"c":2,"v":1}
  • {"r":3,"c":3,"v":18}
  • {"r":1,"c":0,"v":33}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [54, _] → [_, 28, _] → [10, _, 12, _] → [4, 6, _, 2, _]

Show answer

Answer: Row5[3]=10, Row3[3]=17, Row1[1]=99, Row2[2]=45, Row3[1]=26, Row4[2]=16, Row4[4]=5, Row5[5]=3

SubType
number-pyramid
Difficulty
hard
Levels
  • [99]
  • [54,45]
  • [26,28,17]
  • [10,16,12,5]
  • [4,6,10,2,3]
Base
  • 4
  • 6
  • 10
  • 2
  • 3
TopValue
99
HiddenCells
  • {"r":4,"c":2,"v":10}
  • {"r":2,"c":2,"v":17}
  • {"r":0,"c":0,"v":99}
  • {"r":1,"c":1,"v":45}
  • {"r":2,"c":0,"v":26}
  • {"r":3,"c":1,"v":16}
  • {"r":3,"c":3,"v":5}
  • {"r":4,"c":4,"v":3}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [115] → [_, 61] → [22, _, _] → [_, 15, _, 12] → [_, 5, _, 7, _]

Show answer

Answer: Row5[3]=10, Row5[1]=2, Row4[3]=17, Row2[1]=54, Row4[1]=7, Row3[2]=32, Row3[3]=29, Row5[5]=5

SubType
number-pyramid
Difficulty
hard
Levels
  • [115]
  • [54,61]
  • [22,32,29]
  • [7,15,17,12]
  • [2,5,10,7,5]
Base
  • 2
  • 5
  • 10
  • 7
  • 5
TopValue
115
HiddenCells
  • {"r":4,"c":2,"v":10}
  • {"r":4,"c":0,"v":2}
  • {"r":3,"c":2,"v":17}
  • {"r":1,"c":0,"v":54}
  • {"r":3,"c":0,"v":7}
  • {"r":2,"c":1,"v":32}
  • {"r":2,"c":2,"v":29}
  • {"r":4,"c":4,"v":5}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [43, 40] → [_, 22, _] → [10, _, 11, _] → [4, _, _, _, 1]

Show answer

Answer: Row5[4]=6, Row1[1]=83, Row5[3]=5, Row3[1]=21, Row4[2]=11, Row4[4]=7, Row5[2]=6, Row3[3]=18

SubType
number-pyramid
Difficulty
hard
Levels
  • [83]
  • [43,40]
  • [21,22,18]
  • [10,11,11,7]
  • [4,6,5,6,1]
Base
  • 4
  • 6
  • 5
  • 6
  • 1
TopValue
83
HiddenCells
  • {"r":4,"c":3,"v":6}
  • {"r":0,"c":0,"v":83}
  • {"r":4,"c":2,"v":5}
  • {"r":2,"c":0,"v":21}
  • {"r":3,"c":1,"v":11}
  • {"r":3,"c":3,"v":7}
  • {"r":4,"c":1,"v":6}
  • {"r":2,"c":2,"v":18}