medium Set 46 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [47] → [29, _] → [17, _, 6] → [_, _, 3, 3]

Show answer

Answer: Row3[2]=12, Row4[1]=8, Row2[2]=18, Row4[2]=9

SubType
number-pyramid
Difficulty
medium
Levels
  • [47]
  • [29,18]
  • [17,12,6]
  • [8,9,3,3]
Base
  • 8
  • 9
  • 3
  • 3
TopValue
47
HiddenCells
  • {"r":2,"c":1,"v":12}
  • {"r":3,"c":0,"v":8}
  • {"r":1,"c":1,"v":18}
  • {"r":3,"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): [39] → [20, 19] → [_, _, _] → [_, 4, 7, 1]

Show answer

Answer: Row3[1]=9, Row3[3]=8, Row4[1]=5, Row3[2]=11

SubType
number-pyramid
Difficulty
medium
Levels
  • [39]
  • [20,19]
  • [9,11,8]
  • [5,4,7,1]
Base
  • 5
  • 4
  • 7
  • 1
TopValue
39
HiddenCells
  • {"r":2,"c":0,"v":9}
  • {"r":2,"c":2,"v":8}
  • {"r":3,"c":0,"v":5}
  • {"r":2,"c":1,"v":11}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [28, 25] → [15, _, 12] → [_, 9, _, 8]

Show answer

Answer: Row4[1]=6, Row1[1]=53, Row3[2]=13, Row4[3]=4

SubType
number-pyramid
Difficulty
medium
Levels
  • [53]
  • [28,25]
  • [15,13,12]
  • [6,9,4,8]
Base
  • 6
  • 9
  • 4
  • 8
TopValue
53
HiddenCells
  • {"r":3,"c":0,"v":6}
  • {"r":0,"c":0,"v":53}
  • {"r":2,"c":1,"v":13}
  • {"r":3,"c":2,"v":4}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [23, _] → [11, 12, 13] → [_, _, 9, 4]

Show answer

Answer: Row2[2]=25, Row4[2]=3, Row4[1]=8, Row1[1]=48

SubType
number-pyramid
Difficulty
medium
Levels
  • [48]
  • [23,25]
  • [11,12,13]
  • [8,3,9,4]
Base
  • 8
  • 3
  • 9
  • 4
TopValue
48
HiddenCells
  • {"r":1,"c":1,"v":25}
  • {"r":3,"c":1,"v":3}
  • {"r":3,"c":0,"v":8}
  • {"r":0,"c":0,"v":48}