hard Set 70 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [60, 45] → [33, 27, _] → [_, _, 11, _] → [8, 9, _, _, _]

Show answer

Answer: Row5[5]=3, Row5[3]=7, Row5[4]=4, Row1[1]=105, Row3[3]=18, Row4[2]=16, Row4[1]=17, Row4[4]=7

SubType
number-pyramid
Difficulty
hard
Levels
  • [105]
  • [60,45]
  • [33,27,18]
  • [17,16,11,7]
  • [8,9,7,4,3]
Base
  • 8
  • 9
  • 7
  • 4
  • 3
TopValue
105
HiddenCells
  • {"r":4,"c":4,"v":3}
  • {"r":4,"c":2,"v":7}
  • {"r":4,"c":3,"v":4}
  • {"r":0,"c":0,"v":105}
  • {"r":2,"c":2,"v":18}
  • {"r":3,"c":1,"v":16}
  • {"r":3,"c":0,"v":17}
  • {"r":3,"c":3,"v":7}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [48] → [29, 19] → [19, _, _] → [_, 6, _, _] → [_, _, 2, 2, _]

Show answer

Answer: Row5[1]=9, Row4[3]=4, Row4[1]=13, Row3[3]=9, Row4[4]=5, Row3[2]=10, Row5[2]=4, Row5[5]=3

SubType
number-pyramid
Difficulty
hard
Levels
  • [48]
  • [29,19]
  • [19,10,9]
  • [13,6,4,5]
  • [9,4,2,2,3]
Base
  • 9
  • 4
  • 2
  • 2
  • 3
TopValue
48
HiddenCells
  • {"r":4,"c":0,"v":9}
  • {"r":3,"c":2,"v":4}
  • {"r":3,"c":0,"v":13}
  • {"r":2,"c":2,"v":9}
  • {"r":3,"c":3,"v":5}
  • {"r":2,"c":1,"v":10}
  • {"r":4,"c":1,"v":4}
  • {"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): [_] → [_, 20] → [13, 9, 11] → [9, 4, _, _] → [7, _, _, _, _]

Show answer

Answer: Row2[1]=22, Row4[3]=5, Row5[3]=2, Row5[5]=3, Row1[1]=42, Row5[4]=3, Row5[2]=2, Row4[4]=6

SubType
number-pyramid
Difficulty
hard
Levels
  • [42]
  • [22,20]
  • [13,9,11]
  • [9,4,5,6]
  • [7,2,2,3,3]
Base
  • 7
  • 2
  • 2
  • 3
  • 3
TopValue
42
HiddenCells
  • {"r":1,"c":0,"v":22}
  • {"r":3,"c":2,"v":5}
  • {"r":4,"c":2,"v":2}
  • {"r":4,"c":4,"v":3}
  • {"r":0,"c":0,"v":42}
  • {"r":4,"c":3,"v":3}
  • {"r":4,"c":1,"v":2}
  • {"r":3,"c":3,"v":6}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [41, _] → [_, _, 26] → [11, _, _, _] → [10, _, 8, 4, 10]

Show answer

Answer: Row3[1]=20, Row1[1]=88, Row5[2]=1, Row2[2]=47, Row4[2]=9, Row4[3]=12, Row3[2]=21, Row4[4]=14

SubType
number-pyramid
Difficulty
hard
Levels
  • [88]
  • [41,47]
  • [20,21,26]
  • [11,9,12,14]
  • [10,1,8,4,10]
Base
  • 10
  • 1
  • 8
  • 4
  • 10
TopValue
88
HiddenCells
  • {"r":2,"c":0,"v":20}
  • {"r":0,"c":0,"v":88}
  • {"r":4,"c":1,"v":1}
  • {"r":1,"c":1,"v":47}
  • {"r":3,"c":1,"v":9}
  • {"r":3,"c":2,"v":12}
  • {"r":2,"c":1,"v":21}
  • {"r":3,"c":3,"v":14}