hard Set 37 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [116] → [_, 50] → [_, 31, _] → [15, _, 11, 8] → [_, 10, _, _, _]

Show answer

Answer: Row5[3]=10, Row2[1]=66, Row5[1]=5, Row4[2]=20, Row5[5]=7, Row3[1]=35, Row5[4]=1, Row3[3]=19

SubType
number-pyramid
Difficulty
hard
Levels
  • [116]
  • [66,50]
  • [35,31,19]
  • [15,20,11,8]
  • [5,10,10,1,7]
Base
  • 5
  • 10
  • 10
  • 1
  • 7
TopValue
116
HiddenCells
  • {"r":4,"c":2,"v":10}
  • {"r":1,"c":0,"v":66}
  • {"r":4,"c":0,"v":5}
  • {"r":3,"c":1,"v":20}
  • {"r":4,"c":4,"v":7}
  • {"r":2,"c":0,"v":35}
  • {"r":4,"c":3,"v":1}
  • {"r":2,"c":2,"v":19}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [142] → [71, _] → [_, _, 35] → [_, 19, 17, _] → [_, 10, 9, _, _]

Show answer

Answer: Row3[1]=35, Row4[1]=16, Row5[1]=6, Row4[4]=18, Row5[5]=10, Row5[4]=8, Row2[2]=71, Row3[2]=36

SubType
number-pyramid
Difficulty
hard
Levels
  • [142]
  • [71,71]
  • [35,36,35]
  • [16,19,17,18]
  • [6,10,9,8,10]
Base
  • 6
  • 10
  • 9
  • 8
  • 10
TopValue
142
HiddenCells
  • {"r":2,"c":0,"v":35}
  • {"r":3,"c":0,"v":16}
  • {"r":4,"c":0,"v":6}
  • {"r":3,"c":3,"v":18}
  • {"r":4,"c":4,"v":10}
  • {"r":4,"c":3,"v":8}
  • {"r":1,"c":1,"v":71}
  • {"r":2,"c":1,"v":36}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [109] → [_, 53] → [_, _, 22] → [_, 16, _, 7] → [_, 7, _, _, 1]

Show answer

Answer: Row5[1]=2, Row4[3]=15, Row4[1]=9, Row3[2]=31, Row5[3]=9, Row3[1]=25, Row2[1]=56, Row5[4]=6

SubType
number-pyramid
Difficulty
hard
Levels
  • [109]
  • [56,53]
  • [25,31,22]
  • [9,16,15,7]
  • [2,7,9,6,1]
Base
  • 2
  • 7
  • 9
  • 6
  • 1
TopValue
109
HiddenCells
  • {"r":4,"c":0,"v":2}
  • {"r":3,"c":2,"v":15}
  • {"r":3,"c":0,"v":9}
  • {"r":2,"c":1,"v":31}
  • {"r":4,"c":2,"v":9}
  • {"r":2,"c":0,"v":25}
  • {"r":1,"c":0,"v":56}
  • {"r":4,"c":3,"v":6}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [49, 54] → [_, 26, _] → [_, _, 12, 16] → [_, _, 6, _, 10]

Show answer

Answer: Row4[1]=9, Row3[1]=23, Row5[2]=8, Row5[1]=1, Row3[3]=28, Row1[1]=103, Row4[2]=14, Row5[4]=6

SubType
number-pyramid
Difficulty
hard
Levels
  • [103]
  • [49,54]
  • [23,26,28]
  • [9,14,12,16]
  • [1,8,6,6,10]
Base
  • 1
  • 8
  • 6
  • 6
  • 10
TopValue
103
HiddenCells
  • {"r":3,"c":0,"v":9}
  • {"r":2,"c":0,"v":23}
  • {"r":4,"c":1,"v":8}
  • {"r":4,"c":0,"v":1}
  • {"r":2,"c":2,"v":28}
  • {"r":0,"c":0,"v":103}
  • {"r":3,"c":1,"v":14}
  • {"r":4,"c":3,"v":6}