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): [_] → [_, 47] → [23, _, _] → [_, 14, _, _] → [_, 7, 7, 4, 7]

Show answer

Answer: Row2[1]=48, Row5[1]=2, Row3[2]=25, Row4[4]=11, Row3[3]=22, Row1[1]=95, Row4[3]=11, Row4[1]=9

SubType
number-pyramid
Difficulty
hard
Levels
  • [95]
  • [48,47]
  • [23,25,22]
  • [9,14,11,11]
  • [2,7,7,4,7]
Base
  • 2
  • 7
  • 7
  • 4
  • 7
TopValue
95
HiddenCells
  • {"r":1,"c":0,"v":48}
  • {"r":4,"c":0,"v":2}
  • {"r":2,"c":1,"v":25}
  • {"r":3,"c":3,"v":11}
  • {"r":2,"c":2,"v":22}
  • {"r":0,"c":0,"v":95}
  • {"r":3,"c":2,"v":11}
  • {"r":3,"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): [136] → [67, _] → [33, 34, 35] → [_, _, _, _] → [8, _, _, 8, _]

Show answer

Answer: Row4[3]=17, Row2[2]=69, Row4[2]=17, Row4[4]=18, Row5[2]=8, Row4[1]=16, Row5[5]=10, Row5[3]=9

SubType
number-pyramid
Difficulty
hard
Levels
  • [136]
  • [67,69]
  • [33,34,35]
  • [16,17,17,18]
  • [8,8,9,8,10]
Base
  • 8
  • 8
  • 9
  • 8
  • 10
TopValue
136
HiddenCells
  • {"r":3,"c":2,"v":17}
  • {"r":1,"c":1,"v":69}
  • {"r":3,"c":1,"v":17}
  • {"r":3,"c":3,"v":18}
  • {"r":4,"c":1,"v":8}
  • {"r":3,"c":0,"v":16}
  • {"r":4,"c":4,"v":10}
  • {"r":4,"c":2,"v":9}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [66] → [_, _] → [_, _, 21] → [9, _, _, _] → [4, _, 1, 8, 4]

Show answer

Answer: Row2[1]=30, Row3[2]=15, Row2[2]=36, Row3[1]=15, Row4[2]=6, Row4[3]=9, Row5[2]=5, Row4[4]=12

SubType
number-pyramid
Difficulty
hard
Levels
  • [66]
  • [30,36]
  • [15,15,21]
  • [9,6,9,12]
  • [4,5,1,8,4]
Base
  • 4
  • 5
  • 1
  • 8
  • 4
TopValue
66
HiddenCells
  • {"r":1,"c":0,"v":30}
  • {"r":2,"c":1,"v":15}
  • {"r":1,"c":1,"v":36}
  • {"r":2,"c":0,"v":15}
  • {"r":3,"c":1,"v":6}
  • {"r":3,"c":2,"v":9}
  • {"r":4,"c":1,"v":5}
  • {"r":3,"c":3,"v":12}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [43, 42] → [_, 23, 19] → [_, _, 13, 6] → [9, _, _, _, _]

Show answer

Answer: Row4[1]=10, Row1[1]=85, Row5[5]=2, Row5[2]=1, Row3[1]=20, Row5[4]=4, Row5[3]=9, Row4[2]=10

SubType
number-pyramid
Difficulty
hard
Levels
  • [85]
  • [43,42]
  • [20,23,19]
  • [10,10,13,6]
  • [9,1,9,4,2]
Base
  • 9
  • 1
  • 9
  • 4
  • 2
TopValue
85
HiddenCells
  • {"r":3,"c":0,"v":10}
  • {"r":0,"c":0,"v":85}
  • {"r":4,"c":4,"v":2}
  • {"r":4,"c":1,"v":1}
  • {"r":2,"c":0,"v":20}
  • {"r":4,"c":3,"v":4}
  • {"r":4,"c":2,"v":9}
  • {"r":3,"c":1,"v":10}