medium Set 22 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [44] → [_, 25] → [_, 10, 15] → [_, 4, _, 9]

Show answer

Answer: Row4[3]=6, Row3[1]=9, Row4[1]=5, Row2[1]=19

SubType
number-pyramid
Difficulty
medium
Levels
  • [44]
  • [19,25]
  • [9,10,15]
  • [5,4,6,9]
Base
  • 5
  • 4
  • 6
  • 9
TopValue
44
HiddenCells
  • {"r":3,"c":2,"v":6}
  • {"r":2,"c":0,"v":9}
  • {"r":3,"c":0,"v":5}
  • {"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): [65] → [_, 30] → [18, _, _] → [10, _, 9, 4]

Show answer

Answer: Row3[3]=13, Row2[1]=35, Row4[2]=8, Row3[2]=17

SubType
number-pyramid
Difficulty
medium
Levels
  • [65]
  • [35,30]
  • [18,17,13]
  • [10,8,9,4]
Base
  • 10
  • 8
  • 9
  • 4
TopValue
65
HiddenCells
  • {"r":2,"c":2,"v":13}
  • {"r":1,"c":0,"v":35}
  • {"r":3,"c":1,"v":8}
  • {"r":2,"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): [36] → [_, 18] → [8, 10, _] → [_, 7, 3, _]

Show answer

Answer: Row2[1]=18, Row4[4]=5, Row3[3]=8, Row4[1]=1

SubType
number-pyramid
Difficulty
medium
Levels
  • [36]
  • [18,18]
  • [8,10,8]
  • [1,7,3,5]
Base
  • 1
  • 7
  • 3
  • 5
TopValue
36
HiddenCells
  • {"r":1,"c":0,"v":18}
  • {"r":3,"c":3,"v":5}
  • {"r":2,"c":2,"v":8}
  • {"r":3,"c":0,"v":1}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [22, 25] → [_, _, 15] → [9, 3, _, 8]

Show answer

Answer: Row3[2]=10, Row4[3]=7, Row3[1]=12, Row1[1]=47

SubType
number-pyramid
Difficulty
medium
Levels
  • [47]
  • [22,25]
  • [12,10,15]
  • [9,3,7,8]
Base
  • 9
  • 3
  • 7
  • 8
TopValue
47
HiddenCells
  • {"r":2,"c":1,"v":10}
  • {"r":3,"c":2,"v":7}
  • {"r":2,"c":0,"v":12}
  • {"r":0,"c":0,"v":47}