medium Set 69 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 20] → [10, 6, _] → [8, _, 4, 10]

Show answer

Answer: Row2[1]=16, Row4[2]=2, Row3[3]=14, Row1[1]=36

SubType
number-pyramid
Difficulty
medium
Levels
  • [36]
  • [16,20]
  • [10,6,14]
  • [8,2,4,10]
Base
  • 8
  • 2
  • 4
  • 10
TopValue
36
HiddenCells
  • {"r":1,"c":0,"v":16}
  • {"r":3,"c":1,"v":2}
  • {"r":2,"c":2,"v":14}
  • {"r":0,"c":0,"v":36}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [38] → [_, 20] → [9, 9, 11] → [_, _, _, 6]

Show answer

Answer: Row4[2]=4, Row2[1]=18, Row4[1]=5, Row4[3]=5

SubType
number-pyramid
Difficulty
medium
Levels
  • [38]
  • [18,20]
  • [9,9,11]
  • [5,4,5,6]
Base
  • 5
  • 4
  • 5
  • 6
TopValue
38
HiddenCells
  • {"r":3,"c":1,"v":4}
  • {"r":1,"c":0,"v":18}
  • {"r":3,"c":0,"v":5}
  • {"r":3,"c":2,"v":5}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [15, 21] → [_, 8, 13] → [2, _, _, 10]

Show answer

Answer: Row4[2]=5, Row4[3]=3, Row3[1]=7, Row1[1]=36

SubType
number-pyramid
Difficulty
medium
Levels
  • [36]
  • [15,21]
  • [7,8,13]
  • [2,5,3,10]
Base
  • 2
  • 5
  • 3
  • 10
TopValue
36
HiddenCells
  • {"r":3,"c":1,"v":5}
  • {"r":3,"c":2,"v":3}
  • {"r":2,"c":0,"v":7}
  • {"r":0,"c":0,"v":36}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [37] → [21, 16] → [13, _, _] → [_, 5, _, 5]

Show answer

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

SubType
number-pyramid
Difficulty
medium
Levels
  • [37]
  • [21,16]
  • [13,8,8]
  • [8,5,3,5]
Base
  • 8
  • 5
  • 3
  • 5
TopValue
37
HiddenCells
  • {"r":3,"c":2,"v":3}
  • {"r":3,"c":0,"v":8}
  • {"r":2,"c":1,"v":8}
  • {"r":2,"c":2,"v":8}