medium Set 97 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [16, _] → [9, _, 14] → [8, 1, _, 8]

Show answer

Answer: Row4[3]=6, Row2[2]=21, Row3[2]=7, Row1[1]=37

SubType
number-pyramid
Difficulty
medium
Levels
  • [37]
  • [16,21]
  • [9,7,14]
  • [8,1,6,8]
Base
  • 8
  • 1
  • 6
  • 8
TopValue
37
HiddenCells
  • {"r":3,"c":2,"v":6}
  • {"r":1,"c":1,"v":21}
  • {"r":2,"c":1,"v":7}
  • {"r":0,"c":0,"v":37}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [17, 30] → [6, 11, _] → [4, 2, _, _]

Show answer

Answer: Row3[3]=19, Row4[4]=10, Row4[3]=9, Row1[1]=47

SubType
number-pyramid
Difficulty
medium
Levels
  • [47]
  • [17,30]
  • [6,11,19]
  • [4,2,9,10]
Base
  • 4
  • 2
  • 9
  • 10
TopValue
47
HiddenCells
  • {"r":2,"c":2,"v":19}
  • {"r":3,"c":3,"v":10}
  • {"r":3,"c":2,"v":9}
  • {"r":0,"c":0,"v":47}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [52] → [29, 23] → [_, _, 7] → [_, _, 6, 1]

Show answer

Answer: Row4[2]=10, Row4[1]=3, Row3[1]=13, Row3[2]=16

SubType
number-pyramid
Difficulty
medium
Levels
  • [52]
  • [29,23]
  • [13,16,7]
  • [3,10,6,1]
Base
  • 3
  • 10
  • 6
  • 1
TopValue
52
HiddenCells
  • {"r":3,"c":1,"v":10}
  • {"r":3,"c":0,"v":3}
  • {"r":2,"c":0,"v":13}
  • {"r":2,"c":1,"v":16}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [45] → [21, 24] → [8, 13, _] → [4, _, _, _]

Show answer

Answer: Row4[4]=2, Row3[3]=11, Row4[2]=4, Row4[3]=9

SubType
number-pyramid
Difficulty
medium
Levels
  • [45]
  • [21,24]
  • [8,13,11]
  • [4,4,9,2]
Base
  • 4
  • 4
  • 9
  • 2
TopValue
45
HiddenCells
  • {"r":3,"c":3,"v":2}
  • {"r":2,"c":2,"v":11}
  • {"r":3,"c":1,"v":4}
  • {"r":3,"c":2,"v":9}