hard Set 24 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [80] → [41, _] → [_, _, _] → [_, 12, 10, 7] → [1, _, _, 4, _]

Show answer

Answer: Row5[3]=6, Row3[1]=19, Row2[2]=39, Row4[1]=7, Row3[2]=22, Row5[2]=6, Row3[3]=17, Row5[5]=3

SubType
number-pyramid
Difficulty
hard
Levels
  • [80]
  • [41,39]
  • [19,22,17]
  • [7,12,10,7]
  • [1,6,6,4,3]
Base
  • 1
  • 6
  • 6
  • 4
  • 3
TopValue
80
HiddenCells
  • {"r":4,"c":2,"v":6}
  • {"r":2,"c":0,"v":19}
  • {"r":1,"c":1,"v":39}
  • {"r":3,"c":0,"v":7}
  • {"r":2,"c":1,"v":22}
  • {"r":4,"c":1,"v":6}
  • {"r":2,"c":2,"v":17}
  • {"r":4,"c":4,"v":3}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 30] → [_, 17, _] → [13, _, 8, 5] → [9, 4, _, _, _]

Show answer

Answer: Row5[5]=2, Row3[1]=22, Row5[3]=5, Row1[1]=69, Row4[2]=9, Row2[1]=39, Row5[4]=3, Row3[3]=13

SubType
number-pyramid
Difficulty
hard
Levels
  • [69]
  • [39,30]
  • [22,17,13]
  • [13,9,8,5]
  • [9,4,5,3,2]
Base
  • 9
  • 4
  • 5
  • 3
  • 2
TopValue
69
HiddenCells
  • {"r":4,"c":4,"v":2}
  • {"r":2,"c":0,"v":22}
  • {"r":4,"c":2,"v":5}
  • {"r":0,"c":0,"v":69}
  • {"r":3,"c":1,"v":9}
  • {"r":1,"c":0,"v":39}
  • {"r":4,"c":3,"v":3}
  • {"r":2,"c":2,"v":13}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [39, 29] → [20, _, 10] → [_, 11, _, _] → [_, 4, _, _, 1]

Show answer

Answer: Row4[3]=8, Row5[3]=7, Row4[1]=9, Row1[1]=68, Row5[4]=1, Row4[4]=2, Row5[1]=5, Row3[2]=19

SubType
number-pyramid
Difficulty
hard
Levels
  • [68]
  • [39,29]
  • [20,19,10]
  • [9,11,8,2]
  • [5,4,7,1,1]
Base
  • 5
  • 4
  • 7
  • 1
  • 1
TopValue
68
HiddenCells
  • {"r":3,"c":2,"v":8}
  • {"r":4,"c":2,"v":7}
  • {"r":3,"c":0,"v":9}
  • {"r":0,"c":0,"v":68}
  • {"r":4,"c":3,"v":1}
  • {"r":3,"c":3,"v":2}
  • {"r":4,"c":0,"v":5}
  • {"r":2,"c":1,"v":19}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [83] → [_, _] → [_, 22, _] → [_, _, 10, 9] → [1, _, _, 5, 4]

Show answer

Answer: Row3[1]=20, Row2[2]=41, Row5[2]=7, Row2[1]=42, Row3[3]=19, Row4[2]=12, Row5[3]=5, Row4[1]=8

SubType
number-pyramid
Difficulty
hard
Levels
  • [83]
  • [42,41]
  • [20,22,19]
  • [8,12,10,9]
  • [1,7,5,5,4]
Base
  • 1
  • 7
  • 5
  • 5
  • 4
TopValue
83
HiddenCells
  • {"r":2,"c":0,"v":20}
  • {"r":1,"c":1,"v":41}
  • {"r":4,"c":1,"v":7}
  • {"r":1,"c":0,"v":42}
  • {"r":2,"c":2,"v":19}
  • {"r":3,"c":1,"v":12}
  • {"r":4,"c":2,"v":5}
  • {"r":3,"c":0,"v":8}