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): [80] → [_, 33] → [_, 19, _] → [16, 12, _, _] → [8, _, 4, _, _]

Show answer

Answer: Row3[3]=14, Row5[4]=3, Row3[1]=28, Row4[4]=7, Row5[5]=4, Row5[2]=8, Row2[1]=47, Row4[3]=7

SubType
number-pyramid
Difficulty
hard
Levels
  • [80]
  • [47,33]
  • [28,19,14]
  • [16,12,7,7]
  • [8,8,4,3,4]
Base
  • 8
  • 8
  • 4
  • 3
  • 4
TopValue
80
HiddenCells
  • {"r":2,"c":2,"v":14}
  • {"r":4,"c":3,"v":3}
  • {"r":2,"c":0,"v":28}
  • {"r":3,"c":3,"v":7}
  • {"r":4,"c":4,"v":4}
  • {"r":4,"c":1,"v":8}
  • {"r":1,"c":0,"v":47}
  • {"r":3,"c":2,"v":7}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [46, _] → [24, 22, 19] → [13, _, _, _] → [_, _, 5, 6, _]

Show answer

Answer: Row1[1]=87, Row5[2]=6, Row5[1]=7, Row4[3]=11, Row5[5]=2, Row2[2]=41, Row4[2]=11, Row4[4]=8

SubType
number-pyramid
Difficulty
hard
Levels
  • [87]
  • [46,41]
  • [24,22,19]
  • [13,11,11,8]
  • [7,6,5,6,2]
Base
  • 7
  • 6
  • 5
  • 6
  • 2
TopValue
87
HiddenCells
  • {"r":0,"c":0,"v":87}
  • {"r":4,"c":1,"v":6}
  • {"r":4,"c":0,"v":7}
  • {"r":3,"c":2,"v":11}
  • {"r":4,"c":4,"v":2}
  • {"r":1,"c":1,"v":41}
  • {"r":3,"c":1,"v":11}
  • {"r":3,"c":3,"v":8}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [98] → [_, 40] → [_, 25, _] → [17, _, _, _] → [_, _, 6, 3, 3]

Show answer

Answer: Row4[2]=16, Row5[2]=10, Row4[3]=9, Row3[1]=33, Row4[4]=6, Row2[1]=58, Row3[3]=15, Row5[1]=7

SubType
number-pyramid
Difficulty
hard
Levels
  • [98]
  • [58,40]
  • [33,25,15]
  • [17,16,9,6]
  • [7,10,6,3,3]
Base
  • 7
  • 10
  • 6
  • 3
  • 3
TopValue
98
HiddenCells
  • {"r":3,"c":1,"v":16}
  • {"r":4,"c":1,"v":10}
  • {"r":3,"c":2,"v":9}
  • {"r":2,"c":0,"v":33}
  • {"r":3,"c":3,"v":6}
  • {"r":1,"c":0,"v":58}
  • {"r":2,"c":2,"v":15}
  • {"r":4,"c":0,"v":7}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [49, 60] → [18, _, 29] → [5, 13, _, _] → [_, _, _, _, 3]

Show answer

Answer: Row3[2]=31, Row5[4]=8, Row4[4]=11, Row5[2]=3, Row4[3]=18, Row5[3]=10, Row1[1]=109, Row5[1]=2

SubType
number-pyramid
Difficulty
hard
Levels
  • [109]
  • [49,60]
  • [18,31,29]
  • [5,13,18,11]
  • [2,3,10,8,3]
Base
  • 2
  • 3
  • 10
  • 8
  • 3
TopValue
109
HiddenCells
  • {"r":2,"c":1,"v":31}
  • {"r":4,"c":3,"v":8}
  • {"r":3,"c":3,"v":11}
  • {"r":4,"c":1,"v":3}
  • {"r":3,"c":2,"v":18}
  • {"r":4,"c":2,"v":10}
  • {"r":0,"c":0,"v":109}
  • {"r":4,"c":0,"v":2}