medium Set 86 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 11] → [10, 5, 6] → [_, 4, 1, _]

Show answer

Answer: Row2[1]=15, Row4[4]=5, Row4[1]=6, Row1[1]=26

SubType
number-pyramid
Difficulty
medium
Levels
  • [26]
  • [15,11]
  • [10,5,6]
  • [6,4,1,5]
Base
  • 6
  • 4
  • 1
  • 5
TopValue
26
HiddenCells
  • {"r":1,"c":0,"v":15}
  • {"r":3,"c":3,"v":5}
  • {"r":3,"c":0,"v":6}
  • {"r":0,"c":0,"v":26}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 29] → [10, _, 15] → [_, 5, 9, 6]

Show answer

Answer: Row1[1]=53, Row3[2]=14, Row2[1]=24, Row4[1]=5

SubType
number-pyramid
Difficulty
medium
Levels
  • [53]
  • [24,29]
  • [10,14,15]
  • [5,5,9,6]
Base
  • 5
  • 5
  • 9
  • 6
TopValue
53
HiddenCells
  • {"r":0,"c":0,"v":53}
  • {"r":2,"c":1,"v":14}
  • {"r":1,"c":0,"v":24}
  • {"r":3,"c":0,"v":5}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [49] → [_, 24] → [12, 13, 11] → [_, _, _, 6]

Show answer

Answer: Row4[1]=4, Row2[1]=25, Row4[3]=5, Row4[2]=8

SubType
number-pyramid
Difficulty
medium
Levels
  • [49]
  • [25,24]
  • [12,13,11]
  • [4,8,5,6]
Base
  • 4
  • 8
  • 5
  • 6
TopValue
49
HiddenCells
  • {"r":3,"c":0,"v":4}
  • {"r":1,"c":0,"v":25}
  • {"r":3,"c":2,"v":5}
  • {"r":3,"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): [47] → [_, _] → [_, 12, 15] → [_, 6, 6, 9]

Show answer

Answer: Row2[1]=20, Row4[1]=2, Row2[2]=27, Row3[1]=8

SubType
number-pyramid
Difficulty
medium
Levels
  • [47]
  • [20,27]
  • [8,12,15]
  • [2,6,6,9]
Base
  • 2
  • 6
  • 6
  • 9
TopValue
47
HiddenCells
  • {"r":1,"c":0,"v":20}
  • {"r":3,"c":0,"v":2}
  • {"r":1,"c":1,"v":27}
  • {"r":2,"c":0,"v":8}