medium Set 68 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [31] → [_, _] → [6, 8, 9] → [5, _, 7, _]

Show answer

Answer: Row4[2]=1, Row2[1]=14, Row4[4]=2, Row2[2]=17

SubType
number-pyramid
Difficulty
medium
Levels
  • [31]
  • [14,17]
  • [6,8,9]
  • [5,1,7,2]
Base
  • 5
  • 1
  • 7
  • 2
TopValue
31
HiddenCells
  • {"r":3,"c":1,"v":1}
  • {"r":1,"c":0,"v":14}
  • {"r":3,"c":3,"v":2}
  • {"r":1,"c":1,"v":17}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [32] → [16, 16] → [9, _, _] → [_, 5, 2, _]

Show answer

Answer: Row3[3]=9, Row4[1]=4, Row3[2]=7, Row4[4]=7

SubType
number-pyramid
Difficulty
medium
Levels
  • [32]
  • [16,16]
  • [9,7,9]
  • [4,5,2,7]
Base
  • 4
  • 5
  • 2
  • 7
TopValue
32
HiddenCells
  • {"r":2,"c":2,"v":9}
  • {"r":3,"c":0,"v":4}
  • {"r":2,"c":1,"v":7}
  • {"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): [61] → [29, _] → [_, _, _] → [4, 9, 7, 9]

Show answer

Answer: Row3[3]=16, Row2[2]=32, Row3[1]=13, Row3[2]=16

SubType
number-pyramid
Difficulty
medium
Levels
  • [61]
  • [29,32]
  • [13,16,16]
  • [4,9,7,9]
Base
  • 4
  • 9
  • 7
  • 9
TopValue
61
HiddenCells
  • {"r":2,"c":2,"v":16}
  • {"r":1,"c":1,"v":32}
  • {"r":2,"c":0,"v":13}
  • {"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): [_] → [11, _] → [_, 7, 9] → [1, 3, _, 5]

Show answer

Answer: Row4[3]=4, Row1[1]=27, Row2[2]=16, Row3[1]=4

SubType
number-pyramid
Difficulty
medium
Levels
  • [27]
  • [11,16]
  • [4,7,9]
  • [1,3,4,5]
Base
  • 1
  • 3
  • 4
  • 5
TopValue
27
HiddenCells
  • {"r":3,"c":2,"v":4}
  • {"r":0,"c":0,"v":27}
  • {"r":1,"c":1,"v":16}
  • {"r":2,"c":0,"v":4}