medium Set 47 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [55] → [25, _] → [11, 14, _] → [3, 8, _, _]

Show answer

Answer: Row4[3]=6, Row3[3]=16, Row4[4]=10, Row2[2]=30

SubType
number-pyramid
Difficulty
medium
Levels
  • [55]
  • [25,30]
  • [11,14,16]
  • [3,8,6,10]
Base
  • 3
  • 8
  • 6
  • 10
TopValue
55
HiddenCells
  • {"r":3,"c":2,"v":6}
  • {"r":2,"c":2,"v":16}
  • {"r":3,"c":3,"v":10}
  • {"r":1,"c":1,"v":30}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 19] → [8, 10, 9] → [2, _, _, 5]

Show answer

Answer: Row1[1]=37, Row2[1]=18, Row4[3]=4, Row4[2]=6

SubType
number-pyramid
Difficulty
medium
Levels
  • [37]
  • [18,19]
  • [8,10,9]
  • [2,6,4,5]
Base
  • 2
  • 6
  • 4
  • 5
TopValue
37
HiddenCells
  • {"r":0,"c":0,"v":37}
  • {"r":1,"c":0,"v":18}
  • {"r":3,"c":2,"v":4}
  • {"r":3,"c":1,"v":6}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [34] → [19, 15] → [_, _, 8] → [_, 3, 4, _]

Show answer

Answer: Row3[1]=12, Row4[1]=9, Row4[4]=4, Row3[2]=7

SubType
number-pyramid
Difficulty
medium
Levels
  • [34]
  • [19,15]
  • [12,7,8]
  • [9,3,4,4]
Base
  • 9
  • 3
  • 4
  • 4
TopValue
34
HiddenCells
  • {"r":2,"c":0,"v":12}
  • {"r":3,"c":0,"v":9}
  • {"r":3,"c":3,"v":4}
  • {"r":2,"c":1,"v":7}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [42] → [_, _] → [_, 9, 13] → [10, 1, 8, _]

Show answer

Answer: Row2[2]=22, Row3[1]=11, Row2[1]=20, Row4[4]=5

SubType
number-pyramid
Difficulty
medium
Levels
  • [42]
  • [20,22]
  • [11,9,13]
  • [10,1,8,5]
Base
  • 10
  • 1
  • 8
  • 5
TopValue
42
HiddenCells
  • {"r":1,"c":1,"v":22}
  • {"r":2,"c":0,"v":11}
  • {"r":1,"c":0,"v":20}
  • {"r":3,"c":3,"v":5}