medium Set 59 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [30, 21] → [_, 15, _] → [_, 10, 5, 1]

Show answer

Answer: Row3[1]=15, Row4[1]=5, Row3[3]=6, Row1[1]=51

SubType
number-pyramid
Difficulty
medium
Levels
  • [51]
  • [30,21]
  • [15,15,6]
  • [5,10,5,1]
Base
  • 5
  • 10
  • 5
  • 1
TopValue
51
HiddenCells
  • {"r":2,"c":0,"v":15}
  • {"r":3,"c":0,"v":5}
  • {"r":2,"c":2,"v":6}
  • {"r":0,"c":0,"v":51}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [38] → [13, 25] → [4, _, 16] → [_, 1, _, _]

Show answer

Answer: Row4[3]=8, Row4[4]=8, Row4[1]=3, Row3[2]=9

SubType
number-pyramid
Difficulty
medium
Levels
  • [38]
  • [13,25]
  • [4,9,16]
  • [3,1,8,8]
Base
  • 3
  • 1
  • 8
  • 8
TopValue
38
HiddenCells
  • {"r":3,"c":2,"v":8}
  • {"r":3,"c":3,"v":8}
  • {"r":3,"c":0,"v":3}
  • {"r":2,"c":1,"v":9}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 15] → [_, 10, 5] → [8, 6, _, 1]

Show answer

Answer: Row2[1]=24, Row4[3]=4, Row3[1]=14, Row1[1]=39

SubType
number-pyramid
Difficulty
medium
Levels
  • [39]
  • [24,15]
  • [14,10,5]
  • [8,6,4,1]
Base
  • 8
  • 6
  • 4
  • 1
TopValue
39
HiddenCells
  • {"r":1,"c":0,"v":24}
  • {"r":3,"c":2,"v":4}
  • {"r":2,"c":0,"v":14}
  • {"r":0,"c":0,"v":39}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [65] → [_, _] → [18, _, 11] → [8, 10, 8, _]

Show answer

Answer: Row3[2]=18, Row2[1]=36, Row2[2]=29, Row4[4]=3

SubType
number-pyramid
Difficulty
medium
Levels
  • [65]
  • [36,29]
  • [18,18,11]
  • [8,10,8,3]
Base
  • 8
  • 10
  • 8
  • 3
TopValue
65
HiddenCells
  • {"r":2,"c":1,"v":18}
  • {"r":1,"c":0,"v":36}
  • {"r":1,"c":1,"v":29}
  • {"r":3,"c":3,"v":3}