medium Set 17 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [66] → [32, _] → [15, 17, _] → [7, _, 9, _]

Show answer

Answer: Row4[4]=8, Row4[2]=8, Row2[2]=34, Row3[3]=17

SubType
number-pyramid
Difficulty
medium
Levels
  • [66]
  • [32,34]
  • [15,17,17]
  • [7,8,9,8]
Base
  • 7
  • 8
  • 9
  • 8
TopValue
66
HiddenCells
  • {"r":3,"c":3,"v":8}
  • {"r":3,"c":1,"v":8}
  • {"r":1,"c":1,"v":34}
  • {"r":2,"c":2,"v":17}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [30] → [15, _] → [_, 5, 10] → [_, _, 1, 9]

Show answer

Answer: Row2[2]=15, Row4[1]=6, Row3[1]=10, Row4[2]=4

SubType
number-pyramid
Difficulty
medium
Levels
  • [30]
  • [15,15]
  • [10,5,10]
  • [6,4,1,9]
Base
  • 6
  • 4
  • 1
  • 9
TopValue
30
HiddenCells
  • {"r":1,"c":1,"v":15}
  • {"r":3,"c":0,"v":6}
  • {"r":2,"c":0,"v":10}
  • {"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): [41] → [21, 20] → [9, _, _] → [_, 5, 7, _]

Show answer

Answer: Row3[3]=8, Row3[2]=12, Row4[1]=4, Row4[4]=1

SubType
number-pyramid
Difficulty
medium
Levels
  • [41]
  • [21,20]
  • [9,12,8]
  • [4,5,7,1]
Base
  • 4
  • 5
  • 7
  • 1
TopValue
41
HiddenCells
  • {"r":2,"c":2,"v":8}
  • {"r":2,"c":1,"v":12}
  • {"r":3,"c":0,"v":4}
  • {"r":3,"c":3,"v":1}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [60] → [28, 32] → [_, _, 16] → [_, 10, _, 10]

Show answer

Answer: Row4[3]=6, Row3[1]=12, Row4[1]=2, Row3[2]=16

SubType
number-pyramid
Difficulty
medium
Levels
  • [60]
  • [28,32]
  • [12,16,16]
  • [2,10,6,10]
Base
  • 2
  • 10
  • 6
  • 10
TopValue
60
HiddenCells
  • {"r":3,"c":2,"v":6}
  • {"r":2,"c":0,"v":12}
  • {"r":3,"c":0,"v":2}
  • {"r":2,"c":1,"v":16}