medium Set 52 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [58] → [25, 33] → [_, _, 17] → [1, 8, _, _]

Show answer

Answer: Row4[3]=8, Row3[1]=9, Row4[4]=9, Row3[2]=16

SubType
number-pyramid
Difficulty
medium
Levels
  • [58]
  • [25,33]
  • [9,16,17]
  • [1,8,8,9]
Base
  • 1
  • 8
  • 8
  • 9
TopValue
58
HiddenCells
  • {"r":3,"c":2,"v":8}
  • {"r":2,"c":0,"v":9}
  • {"r":3,"c":3,"v":9}
  • {"r":2,"c":1,"v":16}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [63] → [_, 33] → [_, 16, 17] → [_, _, 7, 10]

Show answer

Answer: Row4[1]=5, Row4[2]=9, Row3[1]=14, Row2[1]=30

SubType
number-pyramid
Difficulty
medium
Levels
  • [63]
  • [30,33]
  • [14,16,17]
  • [5,9,7,10]
Base
  • 5
  • 9
  • 7
  • 10
TopValue
63
HiddenCells
  • {"r":3,"c":0,"v":5}
  • {"r":3,"c":1,"v":9}
  • {"r":2,"c":0,"v":14}
  • {"r":1,"c":0,"v":30}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [33, 32] → [_, 17, _] → [7, 9, _, 7]

Show answer

Answer: Row3[1]=16, Row1[1]=65, Row3[3]=15, Row4[3]=8

SubType
number-pyramid
Difficulty
medium
Levels
  • [65]
  • [33,32]
  • [16,17,15]
  • [7,9,8,7]
Base
  • 7
  • 9
  • 8
  • 7
TopValue
65
HiddenCells
  • {"r":2,"c":0,"v":16}
  • {"r":0,"c":0,"v":65}
  • {"r":2,"c":2,"v":15}
  • {"r":3,"c":2,"v":8}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [14, 6] → [10, _, 2] → [7, _, _, 1]

Show answer

Answer: Row4[3]=1, Row1[1]=20, Row4[2]=3, Row3[2]=4

SubType
number-pyramid
Difficulty
medium
Levels
  • [20]
  • [14,6]
  • [10,4,2]
  • [7,3,1,1]
Base
  • 7
  • 3
  • 1
  • 1
TopValue
20
HiddenCells
  • {"r":3,"c":2,"v":1}
  • {"r":0,"c":0,"v":20}
  • {"r":3,"c":1,"v":3}
  • {"r":2,"c":1,"v":4}