hard Set 25 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [59] → [_, 23] → [21, _, 8] → [_, 10, 5, _] → [_, 7, _, _, _]

Show answer

Answer: Row3[2]=15, Row2[1]=36, Row5[5]=1, Row4[1]=11, Row5[3]=3, Row5[4]=2, Row5[1]=4, Row4[4]=3

SubType
number-pyramid
Difficulty
hard
Levels
  • [59]
  • [36,23]
  • [21,15,8]
  • [11,10,5,3]
  • [4,7,3,2,1]
Base
  • 4
  • 7
  • 3
  • 2
  • 1
TopValue
59
HiddenCells
  • {"r":2,"c":1,"v":15}
  • {"r":1,"c":0,"v":36}
  • {"r":4,"c":4,"v":1}
  • {"r":3,"c":0,"v":11}
  • {"r":4,"c":2,"v":3}
  • {"r":4,"c":3,"v":2}
  • {"r":4,"c":0,"v":4}
  • {"r":3,"c":3,"v":3}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [19, 14] → [12, _, _] → [7, _, 2, 5] → [_, _, _, _, 4]

Show answer

Answer: Row4[2]=5, Row5[4]=1, Row5[1]=3, Row5[2]=4, Row1[1]=33, Row3[2]=7, Row5[3]=1, Row3[3]=7

SubType
number-pyramid
Difficulty
hard
Levels
  • [33]
  • [19,14]
  • [12,7,7]
  • [7,5,2,5]
  • [3,4,1,1,4]
Base
  • 3
  • 4
  • 1
  • 1
  • 4
TopValue
33
HiddenCells
  • {"r":3,"c":1,"v":5}
  • {"r":4,"c":3,"v":1}
  • {"r":4,"c":0,"v":3}
  • {"r":4,"c":1,"v":4}
  • {"r":0,"c":0,"v":33}
  • {"r":2,"c":1,"v":7}
  • {"r":4,"c":2,"v":1}
  • {"r":2,"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): [_] → [_, 39] → [_, _, 20] → [_, 9, _, 10] → [_, _, 4, 6, 4]

Show answer

Answer: Row4[1]=11, Row2[1]=39, Row5[2]=5, Row4[3]=10, Row5[1]=6, Row1[1]=78, Row3[1]=20, Row3[2]=19

SubType
number-pyramid
Difficulty
hard
Levels
  • [78]
  • [39,39]
  • [20,19,20]
  • [11,9,10,10]
  • [6,5,4,6,4]
Base
  • 6
  • 5
  • 4
  • 6
  • 4
TopValue
78
HiddenCells
  • {"r":3,"c":0,"v":11}
  • {"r":1,"c":0,"v":39}
  • {"r":4,"c":1,"v":5}
  • {"r":3,"c":2,"v":10}
  • {"r":4,"c":0,"v":6}
  • {"r":0,"c":0,"v":78}
  • {"r":2,"c":0,"v":20}
  • {"r":2,"c":1,"v":19}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [101] → [_, 52] → [22, _, 25] → [_, _, _, _] → [1, 6, _, _, 10]

Show answer

Answer: Row5[3]=9, Row4[3]=12, Row3[2]=27, Row4[2]=15, Row5[4]=3, Row4[1]=7, Row2[1]=49, Row4[4]=13

SubType
number-pyramid
Difficulty
hard
Levels
  • [101]
  • [49,52]
  • [22,27,25]
  • [7,15,12,13]
  • [1,6,9,3,10]
Base
  • 1
  • 6
  • 9
  • 3
  • 10
TopValue
101
HiddenCells
  • {"r":4,"c":2,"v":9}
  • {"r":3,"c":2,"v":12}
  • {"r":2,"c":1,"v":27}
  • {"r":3,"c":1,"v":15}
  • {"r":4,"c":3,"v":3}
  • {"r":3,"c":0,"v":7}
  • {"r":1,"c":0,"v":49}
  • {"r":3,"c":3,"v":13}