hard Set 19 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, _] → [_, 19, _] → [_, _, 9, 14] → [8, 8, _, 7, 7]

Show answer

Answer: Row2[1]=45, Row4[1]=16, Row2[2]=42, Row1[1]=87, Row3[1]=26, Row3[3]=23, Row4[2]=10, Row5[3]=2

SubType
number-pyramid
Difficulty
hard
Levels
  • [87]
  • [45,42]
  • [26,19,23]
  • [16,10,9,14]
  • [8,8,2,7,7]
Base
  • 8
  • 8
  • 2
  • 7
  • 7
TopValue
87
HiddenCells
  • {"r":1,"c":0,"v":45}
  • {"r":3,"c":0,"v":16}
  • {"r":1,"c":1,"v":42}
  • {"r":0,"c":0,"v":87}
  • {"r":2,"c":0,"v":26}
  • {"r":2,"c":2,"v":23}
  • {"r":3,"c":1,"v":10}
  • {"r":4,"c":2,"v":2}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [33, _] → [14, 19, _] → [7, _, _, _] → [_, _, 4, 8, 5]

Show answer

Answer: Row4[4]=13, Row4[3]=12, Row5[1]=4, Row5[2]=3, Row2[2]=44, Row4[2]=7, Row1[1]=77, Row3[3]=25

SubType
number-pyramid
Difficulty
hard
Levels
  • [77]
  • [33,44]
  • [14,19,25]
  • [7,7,12,13]
  • [4,3,4,8,5]
Base
  • 4
  • 3
  • 4
  • 8
  • 5
TopValue
77
HiddenCells
  • {"r":3,"c":3,"v":13}
  • {"r":3,"c":2,"v":12}
  • {"r":4,"c":0,"v":4}
  • {"r":4,"c":1,"v":3}
  • {"r":1,"c":1,"v":44}
  • {"r":3,"c":1,"v":7}
  • {"r":0,"c":0,"v":77}
  • {"r":2,"c":2,"v":25}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [39, 46] → [_, _, _] → [_, 9, 13, _] → [_, _, 6, 7, 4]

Show answer

Answer: Row4[4]=11, Row5[1]=5, Row1[1]=85, Row3[2]=22, Row4[1]=8, Row3[3]=24, Row5[2]=3, Row3[1]=17

SubType
number-pyramid
Difficulty
hard
Levels
  • [85]
  • [39,46]
  • [17,22,24]
  • [8,9,13,11]
  • [5,3,6,7,4]
Base
  • 5
  • 3
  • 6
  • 7
  • 4
TopValue
85
HiddenCells
  • {"r":3,"c":3,"v":11}
  • {"r":4,"c":0,"v":5}
  • {"r":0,"c":0,"v":85}
  • {"r":2,"c":1,"v":22}
  • {"r":3,"c":0,"v":8}
  • {"r":2,"c":2,"v":24}
  • {"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): [_] → [_, 60] → [_, _, 28] → [_, _, 17, _] → [7, _, 10, 7, 4]

Show answer

Answer: Row4[1]=12, Row3[1]=27, Row4[2]=15, Row4[4]=11, Row1[1]=119, Row3[2]=32, Row2[1]=59, Row5[2]=5

SubType
number-pyramid
Difficulty
hard
Levels
  • [119]
  • [59,60]
  • [27,32,28]
  • [12,15,17,11]
  • [7,5,10,7,4]
Base
  • 7
  • 5
  • 10
  • 7
  • 4
TopValue
119
HiddenCells
  • {"r":3,"c":0,"v":12}
  • {"r":2,"c":0,"v":27}
  • {"r":3,"c":1,"v":15}
  • {"r":3,"c":3,"v":11}
  • {"r":0,"c":0,"v":119}
  • {"r":2,"c":1,"v":32}
  • {"r":1,"c":0,"v":59}
  • {"r":4,"c":1,"v":5}