hard Set 14 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 17] → [_, 7, 10] → [_, 5, 2, _] → [_, 4, _, _, 7]

Show answer

Answer: Row2[1]=20, Row3[1]=13, Row4[1]=8, Row5[4]=1, Row5[3]=1, Row4[4]=8, Row1[1]=37, Row5[1]=4

SubType
number-pyramid
Difficulty
hard
Levels
  • [37]
  • [20,17]
  • [13,7,10]
  • [8,5,2,8]
  • [4,4,1,1,7]
Base
  • 4
  • 4
  • 1
  • 1
  • 7
TopValue
37
HiddenCells
  • {"r":1,"c":0,"v":20}
  • {"r":2,"c":0,"v":13}
  • {"r":3,"c":0,"v":8}
  • {"r":4,"c":3,"v":1}
  • {"r":4,"c":2,"v":1}
  • {"r":3,"c":3,"v":8}
  • {"r":0,"c":0,"v":37}
  • {"r":4,"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): [_] → [_, 53] → [_, 23, 30] → [_, _, 14, 16] → [_, 4, _, 9, _]

Show answer

Answer: Row1[1]=96, Row5[5]=7, Row5[1]=7, Row3[1]=20, Row5[3]=5, Row4[1]=11, Row4[2]=9, Row2[1]=43

SubType
number-pyramid
Difficulty
hard
Levels
  • [96]
  • [43,53]
  • [20,23,30]
  • [11,9,14,16]
  • [7,4,5,9,7]
Base
  • 7
  • 4
  • 5
  • 9
  • 7
TopValue
96
HiddenCells
  • {"r":0,"c":0,"v":96}
  • {"r":4,"c":4,"v":7}
  • {"r":4,"c":0,"v":7}
  • {"r":2,"c":0,"v":20}
  • {"r":4,"c":2,"v":5}
  • {"r":3,"c":0,"v":11}
  • {"r":3,"c":1,"v":9}
  • {"r":1,"c":0,"v":43}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [100] → [_, 46] → [_, 25, _] → [_, 15, 10, _] → [_, _, _, 2, 9]

Show answer

Answer: Row3[1]=29, Row2[1]=54, Row4[4]=11, Row5[2]=7, Row5[3]=8, Row4[1]=14, Row5[1]=7, Row3[3]=21

SubType
number-pyramid
Difficulty
hard
Levels
  • [100]
  • [54,46]
  • [29,25,21]
  • [14,15,10,11]
  • [7,7,8,2,9]
Base
  • 7
  • 7
  • 8
  • 2
  • 9
TopValue
100
HiddenCells
  • {"r":2,"c":0,"v":29}
  • {"r":1,"c":0,"v":54}
  • {"r":3,"c":3,"v":11}
  • {"r":4,"c":1,"v":7}
  • {"r":4,"c":2,"v":8}
  • {"r":3,"c":0,"v":14}
  • {"r":4,"c":0,"v":7}
  • {"r":2,"c":2,"v":21}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [45, 51] → [_, 26, 25] → [7, _, _, _] → [5, 2, _, _, _]

Show answer

Answer: Row5[4]=4, Row4[4]=11, Row3[1]=19, Row5[5]=7, Row4[2]=12, Row4[3]=14, Row5[3]=10, Row1[1]=96

SubType
number-pyramid
Difficulty
hard
Levels
  • [96]
  • [45,51]
  • [19,26,25]
  • [7,12,14,11]
  • [5,2,10,4,7]
Base
  • 5
  • 2
  • 10
  • 4
  • 7
TopValue
96
HiddenCells
  • {"r":4,"c":3,"v":4}
  • {"r":3,"c":3,"v":11}
  • {"r":2,"c":0,"v":19}
  • {"r":4,"c":4,"v":7}
  • {"r":3,"c":1,"v":12}
  • {"r":3,"c":2,"v":14}
  • {"r":4,"c":2,"v":10}
  • {"r":0,"c":0,"v":96}