hard Set 26 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [126] → [_, _] → [_, 34, _] → [_, _, 20, 18] → [2, 4, 10, _, _]

Show answer

Answer: Row3[3]=38, Row4[2]=14, Row5[5]=8, Row2[2]=72, Row4[1]=6, Row3[1]=20, Row2[1]=54, Row5[4]=10

SubType
number-pyramid
Difficulty
hard
Levels
  • [126]
  • [54,72]
  • [20,34,38]
  • [6,14,20,18]
  • [2,4,10,10,8]
Base
  • 2
  • 4
  • 10
  • 10
  • 8
TopValue
126
HiddenCells
  • {"r":2,"c":2,"v":38}
  • {"r":3,"c":1,"v":14}
  • {"r":4,"c":4,"v":8}
  • {"r":1,"c":1,"v":72}
  • {"r":3,"c":0,"v":6}
  • {"r":2,"c":0,"v":20}
  • {"r":1,"c":0,"v":54}
  • {"r":4,"c":3,"v":10}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [44] → [_, 22] → [11, _, 11] → [_, 5, _, _] → [_, 2, 3, _, _]

Show answer

Answer: Row5[1]=4, Row5[5]=2, Row4[3]=6, Row5[4]=3, Row3[2]=11, Row4[4]=5, Row2[1]=22, Row4[1]=6

SubType
number-pyramid
Difficulty
hard
Levels
  • [44]
  • [22,22]
  • [11,11,11]
  • [6,5,6,5]
  • [4,2,3,3,2]
Base
  • 4
  • 2
  • 3
  • 3
  • 2
TopValue
44
HiddenCells
  • {"r":4,"c":0,"v":4}
  • {"r":4,"c":4,"v":2}
  • {"r":3,"c":2,"v":6}
  • {"r":4,"c":3,"v":3}
  • {"r":2,"c":1,"v":11}
  • {"r":3,"c":3,"v":5}
  • {"r":1,"c":0,"v":22}
  • {"r":3,"c":0,"v":6}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [62, _] → [34, _, _] → [_, _, 12, _] → [10, 8, 8, 4, _]

Show answer

Answer: Row4[2]=16, Row4[1]=18, Row3[2]=28, Row5[5]=4, Row2[2]=48, Row1[1]=110, Row4[4]=8, Row3[3]=20

SubType
number-pyramid
Difficulty
hard
Levels
  • [110]
  • [62,48]
  • [34,28,20]
  • [18,16,12,8]
  • [10,8,8,4,4]
Base
  • 10
  • 8
  • 8
  • 4
  • 4
TopValue
110
HiddenCells
  • {"r":3,"c":1,"v":16}
  • {"r":3,"c":0,"v":18}
  • {"r":2,"c":1,"v":28}
  • {"r":4,"c":4,"v":4}
  • {"r":1,"c":1,"v":48}
  • {"r":0,"c":0,"v":110}
  • {"r":3,"c":3,"v":8}
  • {"r":2,"c":2,"v":20}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [50, 51] → [_, 28, _] → [8, _, _, 9] → [_, _, 7, _, 2]

Show answer

Answer: Row4[3]=14, Row5[1]=1, Row4[2]=14, Row5[4]=7, Row5[2]=7, Row3[3]=23, Row3[1]=22, Row1[1]=101

SubType
number-pyramid
Difficulty
hard
Levels
  • [101]
  • [50,51]
  • [22,28,23]
  • [8,14,14,9]
  • [1,7,7,7,2]
Base
  • 1
  • 7
  • 7
  • 7
  • 2
TopValue
101
HiddenCells
  • {"r":3,"c":2,"v":14}
  • {"r":4,"c":0,"v":1}
  • {"r":3,"c":1,"v":14}
  • {"r":4,"c":3,"v":7}
  • {"r":4,"c":1,"v":7}
  • {"r":2,"c":2,"v":23}
  • {"r":2,"c":0,"v":22}
  • {"r":0,"c":0,"v":101}