hard Set 37 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [52, _] → [30, _, _] → [17, 13, 9, 12] → [_, _, _, 4, _]

Show answer

Answer: Row1[1]=95, Row3[3]=21, Row3[2]=22, Row5[3]=5, Row2[2]=43, Row5[5]=8, Row5[1]=9, Row5[2]=8

SubType
number-pyramid
Difficulty
hard
Levels
  • [95]
  • [52,43]
  • [30,22,21]
  • [17,13,9,12]
  • [9,8,5,4,8]
Base
  • 9
  • 8
  • 5
  • 4
  • 8
TopValue
95
HiddenCells
  • {"r":0,"c":0,"v":95}
  • {"r":2,"c":2,"v":21}
  • {"r":2,"c":1,"v":22}
  • {"r":4,"c":2,"v":5}
  • {"r":1,"c":1,"v":43}
  • {"r":4,"c":4,"v":8}
  • {"r":4,"c":0,"v":9}
  • {"r":4,"c":1,"v":8}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, _] → [9, 8, _] → [_, 5, 3, 3] → [1, 3, _, _, _]

Show answer

Answer: Row5[3]=2, Row3[3]=6, Row5[4]=1, Row2[2]=14, Row1[1]=31, Row5[5]=2, Row4[1]=4, Row2[1]=17

SubType
number-pyramid
Difficulty
hard
Levels
  • [31]
  • [17,14]
  • [9,8,6]
  • [4,5,3,3]
  • [1,3,2,1,2]
Base
  • 1
  • 3
  • 2
  • 1
  • 2
TopValue
31
HiddenCells
  • {"r":4,"c":2,"v":2}
  • {"r":2,"c":2,"v":6}
  • {"r":4,"c":3,"v":1}
  • {"r":1,"c":1,"v":14}
  • {"r":0,"c":0,"v":31}
  • {"r":4,"c":4,"v":2}
  • {"r":3,"c":0,"v":4}
  • {"r":1,"c":0,"v":17}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, _] → [23, 20, 17] → [13, 10, 10, _] → [9, _, _, _, _]

Show answer

Answer: Row5[3]=6, Row4[4]=7, Row2[1]=43, Row5[4]=4, Row2[2]=37, Row5[5]=3, Row1[1]=80, Row5[2]=4

SubType
number-pyramid
Difficulty
hard
Levels
  • [80]
  • [43,37]
  • [23,20,17]
  • [13,10,10,7]
  • [9,4,6,4,3]
Base
  • 9
  • 4
  • 6
  • 4
  • 3
TopValue
80
HiddenCells
  • {"r":4,"c":2,"v":6}
  • {"r":3,"c":3,"v":7}
  • {"r":1,"c":0,"v":43}
  • {"r":4,"c":3,"v":4}
  • {"r":1,"c":1,"v":37}
  • {"r":4,"c":4,"v":3}
  • {"r":0,"c":0,"v":80}
  • {"r":4,"c":1,"v":4}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, _] → [_, 8, _] → [_, 3, 5, 7] → [10, 2, _, 4, _]

Show answer

Answer: Row2[1]=23, Row3[3]=12, Row5[3]=1, Row3[1]=15, Row4[1]=12, Row5[5]=3, Row2[2]=20, Row1[1]=43

SubType
number-pyramid
Difficulty
hard
Levels
  • [43]
  • [23,20]
  • [15,8,12]
  • [12,3,5,7]
  • [10,2,1,4,3]
Base
  • 10
  • 2
  • 1
  • 4
  • 3
TopValue
43
HiddenCells
  • {"r":1,"c":0,"v":23}
  • {"r":2,"c":2,"v":12}
  • {"r":4,"c":2,"v":1}
  • {"r":2,"c":0,"v":15}
  • {"r":3,"c":0,"v":12}
  • {"r":4,"c":4,"v":3}
  • {"r":1,"c":1,"v":20}
  • {"r":0,"c":0,"v":43}