hard Set 27 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [89] → [_, 45] → [25, 19, _] → [_, 9, 10, _] → [10, _, _, _, _]

Show answer

Answer: Row4[1]=16, Row5[5]=9, Row5[4]=7, Row5[2]=6, Row5[3]=3, Row4[4]=16, Row2[1]=44, Row3[3]=26

SubType
number-pyramid
Difficulty
hard
Levels
  • [89]
  • [44,45]
  • [25,19,26]
  • [16,9,10,16]
  • [10,6,3,7,9]
Base
  • 10
  • 6
  • 3
  • 7
  • 9
TopValue
89
HiddenCells
  • {"r":3,"c":0,"v":16}
  • {"r":4,"c":4,"v":9}
  • {"r":4,"c":3,"v":7}
  • {"r":4,"c":1,"v":6}
  • {"r":4,"c":2,"v":3}
  • {"r":3,"c":3,"v":16}
  • {"r":1,"c":0,"v":44}
  • {"r":2,"c":2,"v":26}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, _] → [_, 28, _] → [_, _, 15, 12] → [9, 7, 6, 9, _]

Show answer

Answer: Row4[2]=13, Row3[1]=29, Row2[1]=57, Row2[2]=55, Row5[5]=3, Row4[1]=16, Row1[1]=112, Row3[3]=27

SubType
number-pyramid
Difficulty
hard
Levels
  • [112]
  • [57,55]
  • [29,28,27]
  • [16,13,15,12]
  • [9,7,6,9,3]
Base
  • 9
  • 7
  • 6
  • 9
  • 3
TopValue
112
HiddenCells
  • {"r":3,"c":1,"v":13}
  • {"r":2,"c":0,"v":29}
  • {"r":1,"c":0,"v":57}
  • {"r":1,"c":1,"v":55}
  • {"r":4,"c":4,"v":3}
  • {"r":3,"c":0,"v":16}
  • {"r":0,"c":0,"v":112}
  • {"r":2,"c":2,"v":27}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [39, 45] → [_, _, _] → [_, _, 11, 12] → [4, _, 9, 2, _]

Show answer

Answer: Row3[1]=17, Row3[2]=22, Row4[2]=11, Row4[1]=6, Row1[1]=84, Row3[3]=23, Row5[5]=10, Row5[2]=2

SubType
number-pyramid
Difficulty
hard
Levels
  • [84]
  • [39,45]
  • [17,22,23]
  • [6,11,11,12]
  • [4,2,9,2,10]
Base
  • 4
  • 2
  • 9
  • 2
  • 10
TopValue
84
HiddenCells
  • {"r":2,"c":0,"v":17}
  • {"r":2,"c":1,"v":22}
  • {"r":3,"c":1,"v":11}
  • {"r":3,"c":0,"v":6}
  • {"r":0,"c":0,"v":84}
  • {"r":2,"c":2,"v":23}
  • {"r":4,"c":4,"v":10}
  • {"r":4,"c":1,"v":2}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [94] → [42, _] → [_, _, _] → [_, 9, _, 17] → [7, 4, 5, _, _]

Show answer

Answer: Row3[2]=22, Row5[4]=8, Row3[3]=30, Row3[1]=20, Row4[1]=11, Row4[3]=13, Row5[5]=9, Row2[2]=52

SubType
number-pyramid
Difficulty
hard
Levels
  • [94]
  • [42,52]
  • [20,22,30]
  • [11,9,13,17]
  • [7,4,5,8,9]
Base
  • 7
  • 4
  • 5
  • 8
  • 9
TopValue
94
HiddenCells
  • {"r":2,"c":1,"v":22}
  • {"r":4,"c":3,"v":8}
  • {"r":2,"c":2,"v":30}
  • {"r":2,"c":0,"v":20}
  • {"r":3,"c":0,"v":11}
  • {"r":3,"c":2,"v":13}
  • {"r":4,"c":4,"v":9}
  • {"r":1,"c":1,"v":52}