hard Set 86 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [37, _] → [18, _, 23] → [_, 7, 12, _] → [_, 1, _, 6, _]

Show answer

Answer: Row4[4]=11, Row3[2]=19, Row5[5]=5, Row5[1]=10, Row5[3]=6, Row1[1]=79, Row2[2]=42, Row4[1]=11

SubType
number-pyramid
Difficulty
hard
Levels
  • [79]
  • [37,42]
  • [18,19,23]
  • [11,7,12,11]
  • [10,1,6,6,5]
Base
  • 10
  • 1
  • 6
  • 6
  • 5
TopValue
79
HiddenCells
  • {"r":3,"c":3,"v":11}
  • {"r":2,"c":1,"v":19}
  • {"r":4,"c":4,"v":5}
  • {"r":4,"c":0,"v":10}
  • {"r":4,"c":2,"v":6}
  • {"r":0,"c":0,"v":79}
  • {"r":1,"c":1,"v":42}
  • {"r":3,"c":0,"v":11}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [78] → [46, _] → [28, 18, _] → [_, _, 7, _] → [10, _, 4, _, _]

Show answer

Answer: Row5[5]=4, Row5[4]=3, Row4[1]=17, Row2[2]=32, Row3[3]=14, Row4[4]=7, Row4[2]=11, Row5[2]=7

SubType
number-pyramid
Difficulty
hard
Levels
  • [78]
  • [46,32]
  • [28,18,14]
  • [17,11,7,7]
  • [10,7,4,3,4]
Base
  • 10
  • 7
  • 4
  • 3
  • 4
TopValue
78
HiddenCells
  • {"r":4,"c":4,"v":4}
  • {"r":4,"c":3,"v":3}
  • {"r":3,"c":0,"v":17}
  • {"r":1,"c":1,"v":32}
  • {"r":2,"c":2,"v":14}
  • {"r":3,"c":3,"v":7}
  • {"r":3,"c":1,"v":11}
  • {"r":4,"c":1,"v":7}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [46, _] → [_, 18, _] → [_, 10, _, 8] → [9, 9, _, 7, _]

Show answer

Answer: Row2[2]=34, Row1[1]=80, Row3[1]=28, Row4[1]=18, Row3[3]=16, Row4[3]=8, Row5[5]=1, Row5[3]=1

SubType
number-pyramid
Difficulty
hard
Levels
  • [80]
  • [46,34]
  • [28,18,16]
  • [18,10,8,8]
  • [9,9,1,7,1]
Base
  • 9
  • 9
  • 1
  • 7
  • 1
TopValue
80
HiddenCells
  • {"r":1,"c":1,"v":34}
  • {"r":0,"c":0,"v":80}
  • {"r":2,"c":0,"v":28}
  • {"r":3,"c":0,"v":18}
  • {"r":2,"c":2,"v":16}
  • {"r":3,"c":2,"v":8}
  • {"r":4,"c":4,"v":1}
  • {"r":4,"c":2,"v":1}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [113] → [58, 55] → [_, _, _] → [_, 16, _, 7] → [4, _, _, 6, _]

Show answer

Answer: Row3[3]=23, Row4[3]=16, Row3[2]=32, Row5[3]=10, Row3[1]=26, Row5[2]=6, Row4[1]=10, Row5[5]=1

SubType
number-pyramid
Difficulty
hard
Levels
  • [113]
  • [58,55]
  • [26,32,23]
  • [10,16,16,7]
  • [4,6,10,6,1]
Base
  • 4
  • 6
  • 10
  • 6
  • 1
TopValue
113
HiddenCells
  • {"r":2,"c":2,"v":23}
  • {"r":3,"c":2,"v":16}
  • {"r":2,"c":1,"v":32}
  • {"r":4,"c":2,"v":10}
  • {"r":2,"c":0,"v":26}
  • {"r":4,"c":1,"v":6}
  • {"r":3,"c":0,"v":10}
  • {"r":4,"c":4,"v":1}