hard Set 44 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [75] → [_, _] → [_, _, _] → [19, 13, _, 5] → [9, 10, _, _, 4]

Show answer

Answer: Row2[2]=26, Row3[2]=17, Row5[3]=3, Row3[3]=9, Row5[4]=1, Row4[3]=4, Row3[1]=32, Row2[1]=49

SubType
number-pyramid
Difficulty
hard
Levels
  • [75]
  • [49,26]
  • [32,17,9]
  • [19,13,4,5]
  • [9,10,3,1,4]
Base
  • 9
  • 10
  • 3
  • 1
  • 4
TopValue
75
HiddenCells
  • {"r":1,"c":1,"v":26}
  • {"r":2,"c":1,"v":17}
  • {"r":4,"c":2,"v":3}
  • {"r":2,"c":2,"v":9}
  • {"r":4,"c":3,"v":1}
  • {"r":3,"c":2,"v":4}
  • {"r":2,"c":0,"v":32}
  • {"r":1,"c":0,"v":49}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [18, 19] → [10, _, 11] → [_, _, _, 7] → [_, _, _, 1, 6]

Show answer

Answer: Row4[3]=4, Row5[2]=1, Row3[2]=8, Row5[3]=3, Row5[1]=5, Row4[1]=6, Row4[2]=4, Row1[1]=37

SubType
number-pyramid
Difficulty
hard
Levels
  • [37]
  • [18,19]
  • [10,8,11]
  • [6,4,4,7]
  • [5,1,3,1,6]
Base
  • 5
  • 1
  • 3
  • 1
  • 6
TopValue
37
HiddenCells
  • {"r":3,"c":2,"v":4}
  • {"r":4,"c":1,"v":1}
  • {"r":2,"c":1,"v":8}
  • {"r":4,"c":2,"v":3}
  • {"r":4,"c":0,"v":5}
  • {"r":3,"c":0,"v":6}
  • {"r":3,"c":1,"v":4}
  • {"r":0,"c":0,"v":37}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [45] → [_, 20] → [_, 12, _] → [6, _, _, _] → [3, _, _, 1, 2]

Show answer

Answer: Row3[1]=13, Row5[2]=3, Row3[3]=8, Row2[1]=25, Row4[3]=5, Row4[2]=7, Row5[3]=4, Row4[4]=3

SubType
number-pyramid
Difficulty
hard
Levels
  • [45]
  • [25,20]
  • [13,12,8]
  • [6,7,5,3]
  • [3,3,4,1,2]
Base
  • 3
  • 3
  • 4
  • 1
  • 2
TopValue
45
HiddenCells
  • {"r":2,"c":0,"v":13}
  • {"r":4,"c":1,"v":3}
  • {"r":2,"c":2,"v":8}
  • {"r":1,"c":0,"v":25}
  • {"r":3,"c":2,"v":5}
  • {"r":3,"c":1,"v":7}
  • {"r":4,"c":2,"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): [59] → [30, _] → [_, 14, _] → [8, _, _, _] → [_, _, 2, 4, 5]

Show answer

Answer: Row3[3]=15, Row4[4]=9, Row3[1]=16, Row4[2]=8, Row5[2]=6, Row2[2]=29, Row5[1]=2, Row4[3]=6

SubType
number-pyramid
Difficulty
hard
Levels
  • [59]
  • [30,29]
  • [16,14,15]
  • [8,8,6,9]
  • [2,6,2,4,5]
Base
  • 2
  • 6
  • 2
  • 4
  • 5
TopValue
59
HiddenCells
  • {"r":2,"c":2,"v":15}
  • {"r":3,"c":3,"v":9}
  • {"r":2,"c":0,"v":16}
  • {"r":3,"c":1,"v":8}
  • {"r":4,"c":1,"v":6}
  • {"r":1,"c":1,"v":29}
  • {"r":4,"c":0,"v":2}
  • {"r":3,"c":2,"v":6}