hard Set 77 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [100] → [_, _] → [_, _, _] → [8, 14, _, 14] → [1, _, 7, _, 9]

Show answer

Answer: Row2[2]=52, Row5[2]=7, Row5[4]=5, Row3[3]=26, Row3[2]=26, Row4[3]=12, Row2[1]=48, Row3[1]=22

SubType
number-pyramid
Difficulty
hard
Levels
  • [100]
  • [48,52]
  • [22,26,26]
  • [8,14,12,14]
  • [1,7,7,5,9]
Base
  • 1
  • 7
  • 7
  • 5
  • 9
TopValue
100
HiddenCells
  • {"r":1,"c":1,"v":52}
  • {"r":4,"c":1,"v":7}
  • {"r":4,"c":3,"v":5}
  • {"r":2,"c":2,"v":26}
  • {"r":2,"c":1,"v":26}
  • {"r":3,"c":2,"v":12}
  • {"r":1,"c":0,"v":48}
  • {"r":2,"c":0,"v":22}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, _] → [32, _, 14] → [_, _, _, 5] → [5, 10, _, 2, 3]

Show answer

Answer: Row4[2]=17, Row1[1]=98, Row2[2]=40, Row4[1]=15, Row3[2]=26, Row2[1]=58, Row5[3]=7, Row4[3]=9

SubType
number-pyramid
Difficulty
hard
Levels
  • [98]
  • [58,40]
  • [32,26,14]
  • [15,17,9,5]
  • [5,10,7,2,3]
Base
  • 5
  • 10
  • 7
  • 2
  • 3
TopValue
98
HiddenCells
  • {"r":3,"c":1,"v":17}
  • {"r":0,"c":0,"v":98}
  • {"r":1,"c":1,"v":40}
  • {"r":3,"c":0,"v":15}
  • {"r":2,"c":1,"v":26}
  • {"r":1,"c":0,"v":58}
  • {"r":4,"c":2,"v":7}
  • {"r":3,"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): [_] → [17, _] → [_, _, _] → [_, 4, 5, _] → [3, _, 3, 2, 4]

Show answer

Answer: Row4[1]=4, Row3[2]=9, Row3[1]=8, Row2[2]=20, Row1[1]=37, Row3[3]=11, Row5[2]=1, Row4[4]=6

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

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [130] → [_, _] → [_, 35, 24] → [_, _, _, _] → [7, 10, 9, 7, _]

Show answer

Answer: Row4[1]=17, Row2[2]=59, Row3[1]=36, Row4[3]=16, Row5[5]=1, Row2[1]=71, Row4[4]=8, Row4[2]=19

SubType
number-pyramid
Difficulty
hard
Levels
  • [130]
  • [71,59]
  • [36,35,24]
  • [17,19,16,8]
  • [7,10,9,7,1]
Base
  • 7
  • 10
  • 9
  • 7
  • 1
TopValue
130
HiddenCells
  • {"r":3,"c":0,"v":17}
  • {"r":1,"c":1,"v":59}
  • {"r":2,"c":0,"v":36}
  • {"r":3,"c":2,"v":16}
  • {"r":4,"c":4,"v":1}
  • {"r":1,"c":0,"v":71}
  • {"r":3,"c":3,"v":8}
  • {"r":3,"c":1,"v":19}