hard 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): [81] → [43, 38] → [23, _, _] → [_, 11, _, 9] → [4, _, _, _, _]

Show answer

Answer: Row4[3]=9, Row5[4]=6, Row5[2]=8, Row3[2]=20, Row4[1]=12, Row3[3]=18, Row5[3]=3, Row5[5]=3

SubType
number-pyramid
Difficulty
hard
Levels
  • [81]
  • [43,38]
  • [23,20,18]
  • [12,11,9,9]
  • [4,8,3,6,3]
Base
  • 4
  • 8
  • 3
  • 6
  • 3
TopValue
81
HiddenCells
  • {"r":3,"c":2,"v":9}
  • {"r":4,"c":3,"v":6}
  • {"r":4,"c":1,"v":8}
  • {"r":2,"c":1,"v":20}
  • {"r":3,"c":0,"v":12}
  • {"r":2,"c":2,"v":18}
  • {"r":4,"c":2,"v":3}
  • {"r":4,"c":4,"v":3}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [126] → [_, 57] → [_, 32, 25] → [_, _, 13, _] → [_, _, 9, 4, _]

Show answer

Answer: Row2[1]=69, Row5[1]=8, Row5[2]=10, Row4[1]=18, Row4[4]=12, Row3[1]=37, Row5[5]=8, Row4[2]=19

SubType
number-pyramid
Difficulty
hard
Levels
  • [126]
  • [69,57]
  • [37,32,25]
  • [18,19,13,12]
  • [8,10,9,4,8]
Base
  • 8
  • 10
  • 9
  • 4
  • 8
TopValue
126
HiddenCells
  • {"r":1,"c":0,"v":69}
  • {"r":4,"c":0,"v":8}
  • {"r":4,"c":1,"v":10}
  • {"r":3,"c":0,"v":18}
  • {"r":3,"c":3,"v":12}
  • {"r":2,"c":0,"v":37}
  • {"r":4,"c":4,"v":8}
  • {"r":3,"c":1,"v":19}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [94] → [_, 45] → [_, _, 24] → [_, 10, _, 13] → [_, _, 1, _, 3]

Show answer

Answer: Row3[1]=28, Row5[4]=10, Row5[1]=9, Row5[2]=9, Row2[1]=49, Row4[3]=11, Row4[1]=18, Row3[2]=21

SubType
number-pyramid
Difficulty
hard
Levels
  • [94]
  • [49,45]
  • [28,21,24]
  • [18,10,11,13]
  • [9,9,1,10,3]
Base
  • 9
  • 9
  • 1
  • 10
  • 3
TopValue
94
HiddenCells
  • {"r":2,"c":0,"v":28}
  • {"r":4,"c":3,"v":10}
  • {"r":4,"c":0,"v":9}
  • {"r":4,"c":1,"v":9}
  • {"r":1,"c":0,"v":49}
  • {"r":3,"c":2,"v":11}
  • {"r":3,"c":0,"v":18}
  • {"r":2,"c":1,"v":21}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [47] → [_, 22] → [15, 10, _] → [10, _, 5, _] → [6, _, _, _, _]

Show answer

Answer: Row4[4]=7, Row5[5]=3, Row4[2]=5, Row3[3]=12, Row5[3]=1, Row2[1]=25, Row5[4]=4, Row5[2]=4

SubType
number-pyramid
Difficulty
hard
Levels
  • [47]
  • [25,22]
  • [15,10,12]
  • [10,5,5,7]
  • [6,4,1,4,3]
Base
  • 6
  • 4
  • 1
  • 4
  • 3
TopValue
47
HiddenCells
  • {"r":3,"c":3,"v":7}
  • {"r":4,"c":4,"v":3}
  • {"r":3,"c":1,"v":5}
  • {"r":2,"c":2,"v":12}
  • {"r":4,"c":2,"v":1}
  • {"r":1,"c":0,"v":25}
  • {"r":4,"c":3,"v":4}
  • {"r":4,"c":1,"v":4}