medium Set 61 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [59] → [_, 33] → [10, 16, _] → [3, _, 9, _]

Show answer

Answer: Row3[3]=17, Row2[1]=26, Row4[2]=7, Row4[4]=8

SubType
number-pyramid
Difficulty
medium
Levels
  • [59]
  • [26,33]
  • [10,16,17]
  • [3,7,9,8]
Base
  • 3
  • 7
  • 9
  • 8
TopValue
59
HiddenCells
  • {"r":2,"c":2,"v":17}
  • {"r":1,"c":0,"v":26}
  • {"r":3,"c":1,"v":7}
  • {"r":3,"c":3,"v":8}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [31] → [_, 12] → [12, 7, 5] → [6, _, _, _]

Show answer

Answer: Row4[4]=4, Row4[2]=6, Row4[3]=1, Row2[1]=19

SubType
number-pyramid
Difficulty
medium
Levels
  • [31]
  • [19,12]
  • [12,7,5]
  • [6,6,1,4]
Base
  • 6
  • 6
  • 1
  • 4
TopValue
31
HiddenCells
  • {"r":3,"c":3,"v":4}
  • {"r":3,"c":1,"v":6}
  • {"r":3,"c":2,"v":1}
  • {"r":1,"c":0,"v":19}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [29, _] → [_, 17, 12] → [5, 7, 10, _]

Show answer

Answer: Row2[2]=29, Row1[1]=58, Row3[1]=12, Row4[4]=2

SubType
number-pyramid
Difficulty
medium
Levels
  • [58]
  • [29,29]
  • [12,17,12]
  • [5,7,10,2]
Base
  • 5
  • 7
  • 10
  • 2
TopValue
58
HiddenCells
  • {"r":1,"c":1,"v":29}
  • {"r":0,"c":0,"v":58}
  • {"r":2,"c":0,"v":12}
  • {"r":3,"c":3,"v":2}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [56] → [28, 28] → [_, 15, _] → [8, _, 10, _]

Show answer

Answer: Row4[4]=3, Row4[2]=5, Row3[1]=13, Row3[3]=13

SubType
number-pyramid
Difficulty
medium
Levels
  • [56]
  • [28,28]
  • [13,15,13]
  • [8,5,10,3]
Base
  • 8
  • 5
  • 10
  • 3
TopValue
56
HiddenCells
  • {"r":3,"c":3,"v":3}
  • {"r":3,"c":1,"v":5}
  • {"r":2,"c":0,"v":13}
  • {"r":2,"c":2,"v":13}