hard Set 18 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [37, 39] → [_, _, _] → [_, 9, 11, 8] → [5, _, _, 5, _]

Show answer

Answer: Row1[1]=76, Row3[3]=19, Row4[1]=8, Row3[2]=20, Row5[5]=3, Row5[3]=6, Row5[2]=3, Row3[1]=17

SubType
number-pyramid
Difficulty
hard
Levels
  • [76]
  • [37,39]
  • [17,20,19]
  • [8,9,11,8]
  • [5,3,6,5,3]
Base
  • 5
  • 3
  • 6
  • 5
  • 3
TopValue
76
HiddenCells
  • {"r":0,"c":0,"v":76}
  • {"r":2,"c":2,"v":19}
  • {"r":3,"c":0,"v":8}
  • {"r":2,"c":1,"v":20}
  • {"r":4,"c":4,"v":3}
  • {"r":4,"c":2,"v":6}
  • {"r":4,"c":1,"v":3}
  • {"r":2,"c":0,"v":17}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [106] → [_, _] → [17, _, _] → [7, 10, _, 15] → [_, 1, _, 9, _]

Show answer

Answer: Row4[3]=18, Row2[2]=61, Row3[3]=33, Row5[1]=6, Row5[5]=6, Row3[2]=28, Row5[3]=9, Row2[1]=45

SubType
number-pyramid
Difficulty
hard
Levels
  • [106]
  • [45,61]
  • [17,28,33]
  • [7,10,18,15]
  • [6,1,9,9,6]
Base
  • 6
  • 1
  • 9
  • 9
  • 6
TopValue
106
HiddenCells
  • {"r":3,"c":2,"v":18}
  • {"r":1,"c":1,"v":61}
  • {"r":2,"c":2,"v":33}
  • {"r":4,"c":0,"v":6}
  • {"r":4,"c":4,"v":6}
  • {"r":2,"c":1,"v":28}
  • {"r":4,"c":2,"v":9}
  • {"r":1,"c":0,"v":45}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, _] → [33, _, _] → [_, 15, _, _] → [9, 9, 6, 8, 6]

Show answer

Answer: Row4[3]=14, Row2[1]=62, Row4[1]=18, Row2[2]=57, Row3[3]=28, Row4[4]=14, Row1[1]=119, Row3[2]=29

SubType
number-pyramid
Difficulty
hard
Levels
  • [119]
  • [62,57]
  • [33,29,28]
  • [18,15,14,14]
  • [9,9,6,8,6]
Base
  • 9
  • 9
  • 6
  • 8
  • 6
TopValue
119
HiddenCells
  • {"r":3,"c":2,"v":14}
  • {"r":1,"c":0,"v":62}
  • {"r":3,"c":0,"v":18}
  • {"r":1,"c":1,"v":57}
  • {"r":2,"c":2,"v":28}
  • {"r":3,"c":3,"v":14}
  • {"r":0,"c":0,"v":119}
  • {"r":2,"c":1,"v":29}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [55, _] → [29, _, 23] → [13, _, _, 13] → [_, _, _, 4, 9]

Show answer

Answer: Row2[2]=49, Row5[2]=10, Row5[1]=3, Row4[3]=10, Row4[2]=16, Row3[2]=26, Row1[1]=104, Row5[3]=6

SubType
number-pyramid
Difficulty
hard
Levels
  • [104]
  • [55,49]
  • [29,26,23]
  • [13,16,10,13]
  • [3,10,6,4,9]
Base
  • 3
  • 10
  • 6
  • 4
  • 9
TopValue
104
HiddenCells
  • {"r":1,"c":1,"v":49}
  • {"r":4,"c":1,"v":10}
  • {"r":4,"c":0,"v":3}
  • {"r":3,"c":2,"v":10}
  • {"r":3,"c":1,"v":16}
  • {"r":2,"c":1,"v":26}
  • {"r":0,"c":0,"v":104}
  • {"r":4,"c":2,"v":6}