hard Set 38 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [46, _] → [21, _, 25] → [11, 10, _, _] → [_, 1, _, 6, _]

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Answer: Row3[2]=25, Row2[2]=50, Row1[1]=96, Row5[3]=9, Row5[5]=4, Row5[1]=10, Row4[3]=15, Row4[4]=10

SubType
number-pyramid
Difficulty
hard
Levels
  • [96]
  • [46,50]
  • [21,25,25]
  • [11,10,15,10]
  • [10,1,9,6,4]
Base
  • 10
  • 1
  • 9
  • 6
  • 4
TopValue
96
HiddenCells
  • {"r":2,"c":1,"v":25}
  • {"r":1,"c":1,"v":50}
  • {"r":0,"c":0,"v":96}
  • {"r":4,"c":2,"v":9}
  • {"r":4,"c":4,"v":4}
  • {"r":4,"c":0,"v":10}
  • {"r":3,"c":2,"v":15}
  • {"r":3,"c":3,"v":10}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [103] → [_, 49] → [_, _, _] → [14, 13, _, _] → [_, _, 7, 7, 1]

Show answer

Answer: Row5[1]=8, Row3[2]=27, Row3[3]=22, Row2[1]=54, Row4[4]=8, Row5[2]=6, Row3[1]=27, Row4[3]=14

SubType
number-pyramid
Difficulty
hard
Levels
  • [103]
  • [54,49]
  • [27,27,22]
  • [14,13,14,8]
  • [8,6,7,7,1]
Base
  • 8
  • 6
  • 7
  • 7
  • 1
TopValue
103
HiddenCells
  • {"r":4,"c":0,"v":8}
  • {"r":2,"c":1,"v":27}
  • {"r":2,"c":2,"v":22}
  • {"r":1,"c":0,"v":54}
  • {"r":3,"c":3,"v":8}
  • {"r":4,"c":1,"v":6}
  • {"r":2,"c":0,"v":27}
  • {"r":3,"c":2,"v":14}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [49] → [_, _] → [12, 10, _] → [_, _, _, 9] → [_, 1, 1, _, 2]

Show answer

Answer: Row5[1]=9, Row3[3]=17, Row4[1]=10, Row2[2]=27, Row5[4]=7, Row4[2]=2, Row2[1]=22, Row4[3]=8

SubType
number-pyramid
Difficulty
hard
Levels
  • [49]
  • [22,27]
  • [12,10,17]
  • [10,2,8,9]
  • [9,1,1,7,2]
Base
  • 9
  • 1
  • 1
  • 7
  • 2
TopValue
49
HiddenCells
  • {"r":4,"c":0,"v":9}
  • {"r":2,"c":2,"v":17}
  • {"r":3,"c":0,"v":10}
  • {"r":1,"c":1,"v":27}
  • {"r":4,"c":3,"v":7}
  • {"r":3,"c":1,"v":2}
  • {"r":1,"c":0,"v":22}
  • {"r":3,"c":2,"v":8}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, _] → [_, _, _] → [15, 10, _, 9] → [9, 6, 4, _, 6]

Show answer

Answer: Row4[3]=7, Row3[2]=17, Row2[2]=33, Row1[1]=75, Row3[3]=16, Row2[1]=42, Row5[4]=3, Row3[1]=25

SubType
number-pyramid
Difficulty
hard
Levels
  • [75]
  • [42,33]
  • [25,17,16]
  • [15,10,7,9]
  • [9,6,4,3,6]
Base
  • 9
  • 6
  • 4
  • 3
  • 6
TopValue
75
HiddenCells
  • {"r":3,"c":2,"v":7}
  • {"r":2,"c":1,"v":17}
  • {"r":1,"c":1,"v":33}
  • {"r":0,"c":0,"v":75}
  • {"r":2,"c":2,"v":16}
  • {"r":1,"c":0,"v":42}
  • {"r":4,"c":3,"v":3}
  • {"r":2,"c":0,"v":25}