medium Set 83 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [33] → [16, _] → [_, _, _] → [8, 1, 6, 4]

Show answer

Answer: Row3[1]=9, Row3[2]=7, Row3[3]=10, Row2[2]=17

SubType
number-pyramid
Difficulty
medium
Levels
  • [33]
  • [16,17]
  • [9,7,10]
  • [8,1,6,4]
Base
  • 8
  • 1
  • 6
  • 4
TopValue
33
HiddenCells
  • {"r":2,"c":0,"v":9}
  • {"r":2,"c":1,"v":7}
  • {"r":2,"c":2,"v":10}
  • {"r":1,"c":1,"v":17}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 17] → [_, _, 8] → [3, 2, 7, 1]

Show answer

Answer: Row2[1]=14, Row3[2]=9, Row3[1]=5, Row1[1]=31

SubType
number-pyramid
Difficulty
medium
Levels
  • [31]
  • [14,17]
  • [5,9,8]
  • [3,2,7,1]
Base
  • 3
  • 2
  • 7
  • 1
TopValue
31
HiddenCells
  • {"r":1,"c":0,"v":14}
  • {"r":2,"c":1,"v":9}
  • {"r":2,"c":0,"v":5}
  • {"r":0,"c":0,"v":31}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [30, 29] → [_, _, 13] → [6, 8, 8, _]

Show answer

Answer: Row3[1]=14, Row3[2]=16, Row1[1]=59, Row4[4]=5

SubType
number-pyramid
Difficulty
medium
Levels
  • [59]
  • [30,29]
  • [14,16,13]
  • [6,8,8,5]
Base
  • 6
  • 8
  • 8
  • 5
TopValue
59
HiddenCells
  • {"r":2,"c":0,"v":14}
  • {"r":2,"c":1,"v":16}
  • {"r":0,"c":0,"v":59}
  • {"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): [66] → [28, _] → [10, 18, 20] → [_, _, _, 10]

Show answer

Answer: Row4[1]=2, Row2[2]=38, Row4[2]=8, Row4[3]=10

SubType
number-pyramid
Difficulty
medium
Levels
  • [66]
  • [28,38]
  • [10,18,20]
  • [2,8,10,10]
Base
  • 2
  • 8
  • 10
  • 10
TopValue
66
HiddenCells
  • {"r":3,"c":0,"v":2}
  • {"r":1,"c":1,"v":38}
  • {"r":3,"c":1,"v":8}
  • {"r":3,"c":2,"v":10}