medium Set 44 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [9, 21] → [_, 7, _] → [1, _, 6, 8]

Show answer

Answer: Row1[1]=30, Row3[1]=2, Row3[3]=14, Row4[2]=1

SubType
number-pyramid
Difficulty
medium
Levels
  • [30]
  • [9,21]
  • [2,7,14]
  • [1,1,6,8]
Base
  • 1
  • 1
  • 6
  • 8
TopValue
30
HiddenCells
  • {"r":0,"c":0,"v":30}
  • {"r":2,"c":0,"v":2}
  • {"r":2,"c":2,"v":14}
  • {"r":3,"c":1,"v":1}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [59] → [28, _] → [_, 15, 16] → [5, _, 7, _]

Show answer

Answer: Row2[2]=31, Row4[4]=9, Row3[1]=13, Row4[2]=8

SubType
number-pyramid
Difficulty
medium
Levels
  • [59]
  • [28,31]
  • [13,15,16]
  • [5,8,7,9]
Base
  • 5
  • 8
  • 7
  • 9
TopValue
59
HiddenCells
  • {"r":1,"c":1,"v":31}
  • {"r":3,"c":3,"v":9}
  • {"r":2,"c":0,"v":13}
  • {"r":3,"c":1,"v":8}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [64] → [_, _] → [_, 16, 17] → [8, 7, _, 8]

Show answer

Answer: Row2[1]=31, Row2[2]=33, Row3[1]=15, Row4[3]=9

SubType
number-pyramid
Difficulty
medium
Levels
  • [64]
  • [31,33]
  • [15,16,17]
  • [8,7,9,8]
Base
  • 8
  • 7
  • 9
  • 8
TopValue
64
HiddenCells
  • {"r":1,"c":0,"v":31}
  • {"r":1,"c":1,"v":33}
  • {"r":2,"c":0,"v":15}
  • {"r":3,"c":2,"v":9}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [33] → [17, _] → [_, 5, _] → [8, _, 1, 10]

Show answer

Answer: Row4[2]=4, Row3[1]=12, Row2[2]=16, Row3[3]=11

SubType
number-pyramid
Difficulty
medium
Levels
  • [33]
  • [17,16]
  • [12,5,11]
  • [8,4,1,10]
Base
  • 8
  • 4
  • 1
  • 10
TopValue
33
HiddenCells
  • {"r":3,"c":1,"v":4}
  • {"r":2,"c":0,"v":12}
  • {"r":1,"c":1,"v":16}
  • {"r":2,"c":2,"v":11}