medium Set 29 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [66] → [_, 35] → [_, 17, 18] → [_, _, 9, 9]

Show answer

Answer: Row4[2]=8, Row3[1]=14, Row2[1]=31, Row4[1]=6

SubType
number-pyramid
Difficulty
medium
Levels
  • [66]
  • [31,35]
  • [14,17,18]
  • [6,8,9,9]
Base
  • 6
  • 8
  • 9
  • 9
TopValue
66
HiddenCells
  • {"r":3,"c":1,"v":8}
  • {"r":2,"c":0,"v":14}
  • {"r":1,"c":0,"v":31}
  • {"r":3,"c":0,"v":6}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [31] → [_, _] → [14, _, 5] → [10, _, 2, 3]

Show answer

Answer: Row3[2]=6, Row2[2]=11, Row2[1]=20, Row4[2]=4

SubType
number-pyramid
Difficulty
medium
Levels
  • [31]
  • [20,11]
  • [14,6,5]
  • [10,4,2,3]
Base
  • 10
  • 4
  • 2
  • 3
TopValue
31
HiddenCells
  • {"r":2,"c":1,"v":6}
  • {"r":1,"c":1,"v":11}
  • {"r":1,"c":0,"v":20}
  • {"r":3,"c":1,"v":4}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [34] → [13, 21] → [_, 9, 12] → [_, _, 6, _]

Show answer

Answer: Row4[2]=3, Row3[1]=4, Row4[1]=1, Row4[4]=6

SubType
number-pyramid
Difficulty
medium
Levels
  • [34]
  • [13,21]
  • [4,9,12]
  • [1,3,6,6]
Base
  • 1
  • 3
  • 6
  • 6
TopValue
34
HiddenCells
  • {"r":3,"c":1,"v":3}
  • {"r":2,"c":0,"v":4}
  • {"r":3,"c":0,"v":1}
  • {"r":3,"c":3,"v":6}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, _] → [10, 6, 10] → [5, _, 1, 9]

Show answer

Answer: Row2[1]=16, Row4[2]=5, Row1[1]=32, Row2[2]=16

SubType
number-pyramid
Difficulty
medium
Levels
  • [32]
  • [16,16]
  • [10,6,10]
  • [5,5,1,9]
Base
  • 5
  • 5
  • 1
  • 9
TopValue
32
HiddenCells
  • {"r":1,"c":0,"v":16}
  • {"r":3,"c":1,"v":5}
  • {"r":0,"c":0,"v":32}
  • {"r":1,"c":1,"v":16}