hard Set 27 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [59, 57] → [_, 31, _] → [14, 14, _, _] → [10, _, 10, _, _]

Show answer

Answer: Row5[2]=4, Row1[1]=116, Row5[4]=7, Row4[4]=9, Row3[1]=28, Row5[5]=2, Row3[3]=26, Row4[3]=17

SubType
number-pyramid
Difficulty
hard
Levels
  • [116]
  • [59,57]
  • [28,31,26]
  • [14,14,17,9]
  • [10,4,10,7,2]
Base
  • 10
  • 4
  • 10
  • 7
  • 2
TopValue
116
HiddenCells
  • {"r":4,"c":1,"v":4}
  • {"r":0,"c":0,"v":116}
  • {"r":4,"c":3,"v":7}
  • {"r":3,"c":3,"v":9}
  • {"r":2,"c":0,"v":28}
  • {"r":4,"c":4,"v":2}
  • {"r":2,"c":2,"v":26}
  • {"r":3,"c":2,"v":17}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, _] → [_, 25, 25] → [16, _, _, _] → [8, 8, _, 7, 6]

Show answer

Answer: Row2[2]=50, Row4[3]=12, Row1[1]=104, Row4[4]=13, Row4[2]=13, Row2[1]=54, Row3[1]=29, Row5[3]=5

SubType
number-pyramid
Difficulty
hard
Levels
  • [104]
  • [54,50]
  • [29,25,25]
  • [16,13,12,13]
  • [8,8,5,7,6]
Base
  • 8
  • 8
  • 5
  • 7
  • 6
TopValue
104
HiddenCells
  • {"r":1,"c":1,"v":50}
  • {"r":3,"c":2,"v":12}
  • {"r":0,"c":0,"v":104}
  • {"r":3,"c":3,"v":13}
  • {"r":3,"c":1,"v":13}
  • {"r":1,"c":0,"v":54}
  • {"r":2,"c":0,"v":29}
  • {"r":4,"c":2,"v":5}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, _] → [29, 35, 26] → [10, _, _, _] → [1, _, 10, 6, _]

Show answer

Answer: Row2[2]=61, Row5[5]=4, Row4[3]=16, Row2[1]=64, Row1[1]=125, Row4[4]=10, Row4[2]=19, Row5[2]=9

SubType
number-pyramid
Difficulty
hard
Levels
  • [125]
  • [64,61]
  • [29,35,26]
  • [10,19,16,10]
  • [1,9,10,6,4]
Base
  • 1
  • 9
  • 10
  • 6
  • 4
TopValue
125
HiddenCells
  • {"r":1,"c":1,"v":61}
  • {"r":4,"c":4,"v":4}
  • {"r":3,"c":2,"v":16}
  • {"r":1,"c":0,"v":64}
  • {"r":0,"c":0,"v":125}
  • {"r":3,"c":3,"v":10}
  • {"r":3,"c":1,"v":19}
  • {"r":4,"c":1,"v":9}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, _] → [_, 31, 25] → [_, 17, _, 11] → [5, 8, _, 5, _]

Show answer

Answer: Row2[2]=56, Row2[1]=61, Row4[3]=14, Row3[1]=30, Row4[1]=13, Row1[1]=117, Row5[5]=6, Row5[3]=9

SubType
number-pyramid
Difficulty
hard
Levels
  • [117]
  • [61,56]
  • [30,31,25]
  • [13,17,14,11]
  • [5,8,9,5,6]
Base
  • 5
  • 8
  • 9
  • 5
  • 6
TopValue
117
HiddenCells
  • {"r":1,"c":1,"v":56}
  • {"r":1,"c":0,"v":61}
  • {"r":3,"c":2,"v":14}
  • {"r":2,"c":0,"v":30}
  • {"r":3,"c":0,"v":13}
  • {"r":0,"c":0,"v":117}
  • {"r":4,"c":4,"v":6}
  • {"r":4,"c":2,"v":9}