hard Set 17 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 39] → [_, 20, _] → [12, 10, 10, _] → [_, _, _, 3, 6]

Show answer

Answer: Row3[1]=22, Row3[3]=19, Row5[1]=9, Row5[3]=7, Row1[1]=81, Row4[4]=9, Row5[2]=3, Row2[1]=42

SubType
number-pyramid
Difficulty
hard
Levels
  • [81]
  • [42,39]
  • [22,20,19]
  • [12,10,10,9]
  • [9,3,7,3,6]
Base
  • 9
  • 3
  • 7
  • 3
  • 6
TopValue
81
HiddenCells
  • {"r":2,"c":0,"v":22}
  • {"r":2,"c":2,"v":19}
  • {"r":4,"c":0,"v":9}
  • {"r":4,"c":2,"v":7}
  • {"r":0,"c":0,"v":81}
  • {"r":3,"c":3,"v":9}
  • {"r":4,"c":1,"v":3}
  • {"r":1,"c":0,"v":42}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [93] → [_, _] → [_, _, 26] → [_, _, 9, 17] → [10, _, 1, 8, _]

Show answer

Answer: Row4[2]=10, Row5[2]=9, Row3[2]=19, Row2[1]=48, Row2[2]=45, Row3[1]=29, Row4[1]=19, Row5[5]=9

SubType
number-pyramid
Difficulty
hard
Levels
  • [93]
  • [48,45]
  • [29,19,26]
  • [19,10,9,17]
  • [10,9,1,8,9]
Base
  • 10
  • 9
  • 1
  • 8
  • 9
TopValue
93
HiddenCells
  • {"r":3,"c":1,"v":10}
  • {"r":4,"c":1,"v":9}
  • {"r":2,"c":1,"v":19}
  • {"r":1,"c":0,"v":48}
  • {"r":1,"c":1,"v":45}
  • {"r":2,"c":0,"v":29}
  • {"r":3,"c":0,"v":19}
  • {"r":4,"c":4,"v":9}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [21, _] → [_, _, 14] → [10, _, _, 7] → [_, 1, 1, 6, _]

Show answer

Answer: Row3[2]=9, Row4[2]=2, Row3[1]=12, Row5[5]=1, Row1[1]=44, Row4[3]=7, Row5[1]=9, Row2[2]=23

SubType
number-pyramid
Difficulty
hard
Levels
  • [44]
  • [21,23]
  • [12,9,14]
  • [10,2,7,7]
  • [9,1,1,6,1]
Base
  • 9
  • 1
  • 1
  • 6
  • 1
TopValue
44
HiddenCells
  • {"r":2,"c":1,"v":9}
  • {"r":3,"c":1,"v":2}
  • {"r":2,"c":0,"v":12}
  • {"r":4,"c":4,"v":1}
  • {"r":0,"c":0,"v":44}
  • {"r":3,"c":2,"v":7}
  • {"r":4,"c":0,"v":9}
  • {"r":1,"c":1,"v":23}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [83] → [46, 37] → [_, 19, _] → [_, 12, _, _] → [_, _, 6, _, 10]

Show answer

Answer: Row5[4]=1, Row3[1]=27, Row4[3]=7, Row3[3]=18, Row4[1]=15, Row4[4]=11, Row5[2]=6, Row5[1]=9

SubType
number-pyramid
Difficulty
hard
Levels
  • [83]
  • [46,37]
  • [27,19,18]
  • [15,12,7,11]
  • [9,6,6,1,10]
Base
  • 9
  • 6
  • 6
  • 1
  • 10
TopValue
83
HiddenCells
  • {"r":4,"c":3,"v":1}
  • {"r":2,"c":0,"v":27}
  • {"r":3,"c":2,"v":7}
  • {"r":2,"c":2,"v":18}
  • {"r":3,"c":0,"v":15}
  • {"r":3,"c":3,"v":11}
  • {"r":4,"c":1,"v":6}
  • {"r":4,"c":0,"v":9}