hard Set 20 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [55] → [_, 23] → [_, 14, _] → [_, 7, 7, _] → [_, _, 6, 1, _]

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Answer: Row3[1]=18, Row4[1]=11, Row5[5]=1, Row5[2]=1, Row2[1]=32, Row3[3]=9, Row4[4]=2, Row5[1]=10

SubType
number-pyramid
Difficulty
hard
Levels
  • [55]
  • [32,23]
  • [18,14,9]
  • [11,7,7,2]
  • [10,1,6,1,1]
Base
  • 10
  • 1
  • 6
  • 1
  • 1
TopValue
55
HiddenCells
  • {"r":2,"c":0,"v":18}
  • {"r":3,"c":0,"v":11}
  • {"r":4,"c":4,"v":1}
  • {"r":4,"c":1,"v":1}
  • {"r":1,"c":0,"v":32}
  • {"r":2,"c":2,"v":9}
  • {"r":3,"c":3,"v":2}
  • {"r":4,"c":0,"v":10}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [50] → [18, _] → [_, _, _] → [7, 2, _, 16] → [_, 1, 1, _, _]

Show answer

Answer: Row5[4]=6, Row4[3]=7, Row3[3]=23, Row5[1]=6, Row3[2]=9, Row5[5]=10, Row2[2]=32, Row3[1]=9

SubType
number-pyramid
Difficulty
hard
Levels
  • [50]
  • [18,32]
  • [9,9,23]
  • [7,2,7,16]
  • [6,1,1,6,10]
Base
  • 6
  • 1
  • 1
  • 6
  • 10
TopValue
50
HiddenCells
  • {"r":4,"c":3,"v":6}
  • {"r":3,"c":2,"v":7}
  • {"r":2,"c":2,"v":23}
  • {"r":4,"c":0,"v":6}
  • {"r":2,"c":1,"v":9}
  • {"r":4,"c":4,"v":10}
  • {"r":1,"c":1,"v":32}
  • {"r":2,"c":0,"v":9}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [99] → [_, _] → [_, _, _] → [11, 15, 12, 7] → [_, _, _, 3, 4]

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Answer: Row3[2]=27, Row5[2]=6, Row3[1]=26, Row2[2]=46, Row5[1]=5, Row5[3]=9, Row3[3]=19, Row2[1]=53

SubType
number-pyramid
Difficulty
hard
Levels
  • [99]
  • [53,46]
  • [26,27,19]
  • [11,15,12,7]
  • [5,6,9,3,4]
Base
  • 5
  • 6
  • 9
  • 3
  • 4
TopValue
99
HiddenCells
  • {"r":2,"c":1,"v":27}
  • {"r":4,"c":1,"v":6}
  • {"r":2,"c":0,"v":26}
  • {"r":1,"c":1,"v":46}
  • {"r":4,"c":0,"v":5}
  • {"r":4,"c":2,"v":9}
  • {"r":2,"c":2,"v":19}
  • {"r":1,"c":0,"v":53}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, _] → [16, _, _] → [_, _, 15, 15] → [4, 1, 10, 5, _]

Show answer

Answer: Row2[2]=56, Row4[2]=11, Row3[2]=26, Row5[5]=10, Row2[1]=42, Row4[1]=5, Row1[1]=98, Row3[3]=30

SubType
number-pyramid
Difficulty
hard
Levels
  • [98]
  • [42,56]
  • [16,26,30]
  • [5,11,15,15]
  • [4,1,10,5,10]
Base
  • 4
  • 1
  • 10
  • 5
  • 10
TopValue
98
HiddenCells
  • {"r":1,"c":1,"v":56}
  • {"r":3,"c":1,"v":11}
  • {"r":2,"c":1,"v":26}
  • {"r":4,"c":4,"v":10}
  • {"r":1,"c":0,"v":42}
  • {"r":3,"c":0,"v":5}
  • {"r":0,"c":0,"v":98}
  • {"r":2,"c":2,"v":30}