hard Set 51 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [40, _] → [20, 20, _] → [_, 7, _, 16] → [10, _, _, 9, _]

Show answer

Answer: Row5[2]=3, Row5[5]=7, Row5[3]=4, Row2[2]=49, Row3[3]=29, Row4[3]=13, Row1[1]=89, Row4[1]=13

SubType
number-pyramid
Difficulty
hard
Levels
  • [89]
  • [40,49]
  • [20,20,29]
  • [13,7,13,16]
  • [10,3,4,9,7]
Base
  • 10
  • 3
  • 4
  • 9
  • 7
TopValue
89
HiddenCells
  • {"r":4,"c":1,"v":3}
  • {"r":4,"c":4,"v":7}
  • {"r":4,"c":2,"v":4}
  • {"r":1,"c":1,"v":49}
  • {"r":2,"c":2,"v":29}
  • {"r":3,"c":2,"v":13}
  • {"r":0,"c":0,"v":89}
  • {"r":3,"c":0,"v":13}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 24] → [_, 11, 13] → [18, _, 2, 11] → [10, _, _, _, _]

Show answer

Answer: Row5[2]=8, Row5[4]=1, Row5[5]=10, Row4[2]=9, Row5[3]=1, Row1[1]=62, Row2[1]=38, Row3[1]=27

SubType
number-pyramid
Difficulty
hard
Levels
  • [62]
  • [38,24]
  • [27,11,13]
  • [18,9,2,11]
  • [10,8,1,1,10]
Base
  • 10
  • 8
  • 1
  • 1
  • 10
TopValue
62
HiddenCells
  • {"r":4,"c":1,"v":8}
  • {"r":4,"c":3,"v":1}
  • {"r":4,"c":4,"v":10}
  • {"r":3,"c":1,"v":9}
  • {"r":4,"c":2,"v":1}
  • {"r":0,"c":0,"v":62}
  • {"r":1,"c":0,"v":38}
  • {"r":2,"c":0,"v":27}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, _] → [9, 17, _] → [_, 5, 12, 20] → [_, _, _, 10, 10]

Show answer

Answer: Row2[1]=26, Row1[1]=75, Row5[2]=3, Row5[3]=2, Row2[2]=49, Row5[1]=1, Row3[3]=32, Row4[1]=4

SubType
number-pyramid
Difficulty
hard
Levels
  • [75]
  • [26,49]
  • [9,17,32]
  • [4,5,12,20]
  • [1,3,2,10,10]
Base
  • 1
  • 3
  • 2
  • 10
  • 10
TopValue
75
HiddenCells
  • {"r":1,"c":0,"v":26}
  • {"r":0,"c":0,"v":75}
  • {"r":4,"c":1,"v":3}
  • {"r":4,"c":2,"v":2}
  • {"r":1,"c":1,"v":49}
  • {"r":4,"c":0,"v":1}
  • {"r":2,"c":2,"v":32}
  • {"r":3,"c":0,"v":4}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, _] → [23, 20, _] → [11, 12, 8, 14] → [1, _, _, _, _]

Show answer

Answer: Row5[4]=6, Row5[3]=2, Row2[2]=42, Row2[1]=43, Row5[5]=8, Row1[1]=85, Row5[2]=10, Row3[3]=22

SubType
number-pyramid
Difficulty
hard
Levels
  • [85]
  • [43,42]
  • [23,20,22]
  • [11,12,8,14]
  • [1,10,2,6,8]
Base
  • 1
  • 10
  • 2
  • 6
  • 8
TopValue
85
HiddenCells
  • {"r":4,"c":3,"v":6}
  • {"r":4,"c":2,"v":2}
  • {"r":1,"c":1,"v":42}
  • {"r":1,"c":0,"v":43}
  • {"r":4,"c":4,"v":8}
  • {"r":0,"c":0,"v":85}
  • {"r":4,"c":1,"v":10}
  • {"r":2,"c":2,"v":22}