hard Set 79 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 56] → [30, _, 26] → [14, _, _, 12] → [_, _, _, 7, 5]

Show answer

Answer: Row5[1]=5, Row1[1]=116, Row3[2]=30, Row4[2]=16, Row4[3]=14, Row5[3]=7, Row5[2]=9, Row2[1]=60

SubType
number-pyramid
Difficulty
hard
Levels
  • [116]
  • [60,56]
  • [30,30,26]
  • [14,16,14,12]
  • [5,9,7,7,5]
Base
  • 5
  • 9
  • 7
  • 7
  • 5
TopValue
116
HiddenCells
  • {"r":4,"c":0,"v":5}
  • {"r":0,"c":0,"v":116}
  • {"r":2,"c":1,"v":30}
  • {"r":3,"c":1,"v":16}
  • {"r":3,"c":2,"v":14}
  • {"r":4,"c":2,"v":7}
  • {"r":4,"c":1,"v":9}
  • {"r":1,"c":0,"v":60}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [98] → [50, _] → [25, _, 23] → [13, _, _, 10] → [_, _, _, 5, _]

Show answer

Answer: Row5[1]=9, Row5[5]=5, Row3[2]=25, Row5[2]=4, Row4[3]=13, Row5[3]=8, Row2[2]=48, Row4[2]=12

SubType
number-pyramid
Difficulty
hard
Levels
  • [98]
  • [50,48]
  • [25,25,23]
  • [13,12,13,10]
  • [9,4,8,5,5]
Base
  • 9
  • 4
  • 8
  • 5
  • 5
TopValue
98
HiddenCells
  • {"r":4,"c":0,"v":9}
  • {"r":4,"c":4,"v":5}
  • {"r":2,"c":1,"v":25}
  • {"r":4,"c":1,"v":4}
  • {"r":3,"c":2,"v":13}
  • {"r":4,"c":2,"v":8}
  • {"r":1,"c":1,"v":48}
  • {"r":3,"c":1,"v":12}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, _] → [16, _, 20] → [10, _, _, 8] → [_, 1, 5, 7, _]

Show answer

Answer: Row4[2]=6, Row4[3]=12, Row1[1]=72, Row2[2]=38, Row2[1]=34, Row3[2]=18, Row5[5]=1, Row5[1]=9

SubType
number-pyramid
Difficulty
hard
Levels
  • [72]
  • [34,38]
  • [16,18,20]
  • [10,6,12,8]
  • [9,1,5,7,1]
Base
  • 9
  • 1
  • 5
  • 7
  • 1
TopValue
72
HiddenCells
  • {"r":3,"c":1,"v":6}
  • {"r":3,"c":2,"v":12}
  • {"r":0,"c":0,"v":72}
  • {"r":1,"c":1,"v":38}
  • {"r":1,"c":0,"v":34}
  • {"r":2,"c":1,"v":18}
  • {"r":4,"c":4,"v":1}
  • {"r":4,"c":0,"v":9}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [109] → [57, 52] → [_, _, 24] → [_, _, _, 12] → [4, _, _, 5, _]

Show answer

Answer: Row5[3]=7, Row4[3]=12, Row4[1]=13, Row3[2]=28, Row5[5]=7, Row3[1]=29, Row5[2]=9, Row4[2]=16

SubType
number-pyramid
Difficulty
hard
Levels
  • [109]
  • [57,52]
  • [29,28,24]
  • [13,16,12,12]
  • [4,9,7,5,7]
Base
  • 4
  • 9
  • 7
  • 5
  • 7
TopValue
109
HiddenCells
  • {"r":4,"c":2,"v":7}
  • {"r":3,"c":2,"v":12}
  • {"r":3,"c":0,"v":13}
  • {"r":2,"c":1,"v":28}
  • {"r":4,"c":4,"v":7}
  • {"r":2,"c":0,"v":29}
  • {"r":4,"c":1,"v":9}
  • {"r":3,"c":1,"v":16}