medium Set 12 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [51] → [_, 22] → [_, 14, _] → [5, 10, _, 4]

Show answer

Answer: Row2[1]=29, Row4[3]=4, Row3[3]=8, Row3[1]=15

SubType
number-pyramid
Difficulty
medium
Levels
  • [51]
  • [29,22]
  • [15,14,8]
  • [5,10,4,4]
Base
  • 5
  • 10
  • 4
  • 4
TopValue
51
HiddenCells
  • {"r":1,"c":0,"v":29}
  • {"r":3,"c":2,"v":4}
  • {"r":2,"c":2,"v":8}
  • {"r":2,"c":0,"v":15}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [28, 19] → [18, 10, 9] → [_, _, _, 8]

Show answer

Answer: Row4[3]=1, Row4[2]=9, Row1[1]=47, Row4[1]=9

SubType
number-pyramid
Difficulty
medium
Levels
  • [47]
  • [28,19]
  • [18,10,9]
  • [9,9,1,8]
Base
  • 9
  • 9
  • 1
  • 8
TopValue
47
HiddenCells
  • {"r":3,"c":2,"v":1}
  • {"r":3,"c":1,"v":9}
  • {"r":0,"c":0,"v":47}
  • {"r":3,"c":0,"v":9}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 16] → [10, 7, 9] → [_, _, 3, 6]

Show answer

Answer: Row4[1]=6, Row1[1]=33, Row2[1]=17, Row4[2]=4

SubType
number-pyramid
Difficulty
medium
Levels
  • [33]
  • [17,16]
  • [10,7,9]
  • [6,4,3,6]
Base
  • 6
  • 4
  • 3
  • 6
TopValue
33
HiddenCells
  • {"r":3,"c":0,"v":6}
  • {"r":0,"c":0,"v":33}
  • {"r":1,"c":0,"v":17}
  • {"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): [50] → [_, 27] → [9, _, 13] → [_, _, 7, 6]

Show answer

Answer: Row3[2]=14, Row2[1]=23, Row4[1]=2, Row4[2]=7

SubType
number-pyramid
Difficulty
medium
Levels
  • [50]
  • [23,27]
  • [9,14,13]
  • [2,7,7,6]
Base
  • 2
  • 7
  • 7
  • 6
TopValue
50
HiddenCells
  • {"r":2,"c":1,"v":14}
  • {"r":1,"c":0,"v":23}
  • {"r":3,"c":0,"v":2}
  • {"r":3,"c":1,"v":7}