medium Set 67 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [41] → [23, 18] → [14, _, _] → [9, 5, _, _]

Show answer

Answer: Row4[3]=4, Row3[3]=9, Row3[2]=9, Row4[4]=5

SubType
number-pyramid
Difficulty
medium
Levels
  • [41]
  • [23,18]
  • [14,9,9]
  • [9,5,4,5]
Base
  • 9
  • 5
  • 4
  • 5
TopValue
41
HiddenCells
  • {"r":3,"c":2,"v":4}
  • {"r":2,"c":2,"v":9}
  • {"r":2,"c":1,"v":9}
  • {"r":3,"c":3,"v":5}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [18, 17] → [_, _, 11] → [_, 4, 2, 9]

Show answer

Answer: Row3[1]=12, Row4[1]=8, Row3[2]=6, Row1[1]=35

SubType
number-pyramid
Difficulty
medium
Levels
  • [35]
  • [18,17]
  • [12,6,11]
  • [8,4,2,9]
Base
  • 8
  • 4
  • 2
  • 9
TopValue
35
HiddenCells
  • {"r":2,"c":0,"v":12}
  • {"r":3,"c":0,"v":8}
  • {"r":2,"c":1,"v":6}
  • {"r":0,"c":0,"v":35}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 23] → [9, 13, 10] → [_, _, 9, 1]

Show answer

Answer: Row4[2]=4, Row1[1]=45, Row4[1]=5, Row2[1]=22

SubType
number-pyramid
Difficulty
medium
Levels
  • [45]
  • [22,23]
  • [9,13,10]
  • [5,4,9,1]
Base
  • 5
  • 4
  • 9
  • 1
TopValue
45
HiddenCells
  • {"r":3,"c":1,"v":4}
  • {"r":0,"c":0,"v":45}
  • {"r":3,"c":0,"v":5}
  • {"r":1,"c":0,"v":22}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [38] → [_, 24] → [5, _, 15] → [_, 4, 5, _]

Show answer

Answer: Row4[4]=10, Row3[2]=9, Row2[1]=14, Row4[1]=1

SubType
number-pyramid
Difficulty
medium
Levels
  • [38]
  • [14,24]
  • [5,9,15]
  • [1,4,5,10]
Base
  • 1
  • 4
  • 5
  • 10
TopValue
38
HiddenCells
  • {"r":3,"c":3,"v":10}
  • {"r":2,"c":1,"v":9}
  • {"r":1,"c":0,"v":14}
  • {"r":3,"c":0,"v":1}