hard Set 56 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [71] → [_, 42] → [10, _, 23] → [3, _, _, _] → [1, _, 5, _, _]

Show answer

Answer: Row5[5]=4, Row5[2]=2, Row4[2]=7, Row5[4]=7, Row3[2]=19, Row4[4]=11, Row4[3]=12, Row2[1]=29

SubType
number-pyramid
Difficulty
hard
Levels
  • [71]
  • [29,42]
  • [10,19,23]
  • [3,7,12,11]
  • [1,2,5,7,4]
Base
  • 1
  • 2
  • 5
  • 7
  • 4
TopValue
71
HiddenCells
  • {"r":4,"c":4,"v":4}
  • {"r":4,"c":1,"v":2}
  • {"r":3,"c":1,"v":7}
  • {"r":4,"c":3,"v":7}
  • {"r":2,"c":1,"v":19}
  • {"r":3,"c":3,"v":11}
  • {"r":3,"c":2,"v":12}
  • {"r":1,"c":0,"v":29}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [98] → [_, _] → [21, _, _] → [_, 9, _, _] → [8, 4, _, 10, 4]

Show answer

Answer: Row2[2]=53, Row4[1]=12, Row3[3]=29, Row4[4]=14, Row5[3]=5, Row3[2]=24, Row4[3]=15, Row2[1]=45

SubType
number-pyramid
Difficulty
hard
Levels
  • [98]
  • [45,53]
  • [21,24,29]
  • [12,9,15,14]
  • [8,4,5,10,4]
Base
  • 8
  • 4
  • 5
  • 10
  • 4
TopValue
98
HiddenCells
  • {"r":1,"c":1,"v":53}
  • {"r":3,"c":0,"v":12}
  • {"r":2,"c":2,"v":29}
  • {"r":3,"c":3,"v":14}
  • {"r":4,"c":2,"v":5}
  • {"r":2,"c":1,"v":24}
  • {"r":3,"c":2,"v":15}
  • {"r":1,"c":0,"v":45}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [62, _] → [32, 30, _] → [13, 19, 11, 11] → [_, _, _, _, _]

Show answer

Answer: Row5[3]=9, Row1[1]=114, Row5[5]=9, Row5[1]=3, Row3[3]=22, Row5[2]=10, Row5[4]=2, Row2[2]=52

SubType
number-pyramid
Difficulty
hard
Levels
  • [114]
  • [62,52]
  • [32,30,22]
  • [13,19,11,11]
  • [3,10,9,2,9]
Base
  • 3
  • 10
  • 9
  • 2
  • 9
TopValue
114
HiddenCells
  • {"r":4,"c":2,"v":9}
  • {"r":0,"c":0,"v":114}
  • {"r":4,"c":4,"v":9}
  • {"r":4,"c":0,"v":3}
  • {"r":2,"c":2,"v":22}
  • {"r":4,"c":1,"v":10}
  • {"r":4,"c":3,"v":2}
  • {"r":1,"c":1,"v":52}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [63] → [34, 29] → [_, 14, 15] → [_, _, 5, _] → [_, 7, _, _, _]

Show answer

Answer: Row5[4]=3, Row4[4]=10, Row3[1]=20, Row5[3]=2, Row5[5]=7, Row4[1]=11, Row5[1]=4, Row4[2]=9

SubType
number-pyramid
Difficulty
hard
Levels
  • [63]
  • [34,29]
  • [20,14,15]
  • [11,9,5,10]
  • [4,7,2,3,7]
Base
  • 4
  • 7
  • 2
  • 3
  • 7
TopValue
63
HiddenCells
  • {"r":4,"c":3,"v":3}
  • {"r":3,"c":3,"v":10}
  • {"r":2,"c":0,"v":20}
  • {"r":4,"c":2,"v":2}
  • {"r":4,"c":4,"v":7}
  • {"r":3,"c":0,"v":11}
  • {"r":4,"c":0,"v":4}
  • {"r":3,"c":1,"v":9}