hard Set 92 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [41, _] → [_, _, _] → [_, 8, _, 10] → [10, 5, _, 7, 3]

Show answer

Answer: Row3[3]=20, Row4[1]=15, Row4[3]=10, Row5[3]=3, Row2[2]=38, Row3[1]=23, Row3[2]=18, Row1[1]=79

SubType
number-pyramid
Difficulty
hard
Levels
  • [79]
  • [41,38]
  • [23,18,20]
  • [15,8,10,10]
  • [10,5,3,7,3]
Base
  • 10
  • 5
  • 3
  • 7
  • 3
TopValue
79
HiddenCells
  • {"r":2,"c":2,"v":20}
  • {"r":3,"c":0,"v":15}
  • {"r":3,"c":2,"v":10}
  • {"r":4,"c":2,"v":3}
  • {"r":1,"c":1,"v":38}
  • {"r":2,"c":0,"v":23}
  • {"r":2,"c":1,"v":18}
  • {"r":0,"c":0,"v":79}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [34, _] → [11, 23, 33] → [_, 8, _, 18] → [_, 1, _, _, _]

Show answer

Answer: Row4[3]=15, Row2[2]=56, Row5[5]=10, Row1[1]=90, Row5[1]=2, Row5[3]=7, Row4[1]=3, Row5[4]=8

SubType
number-pyramid
Difficulty
hard
Levels
  • [90]
  • [34,56]
  • [11,23,33]
  • [3,8,15,18]
  • [2,1,7,8,10]
Base
  • 2
  • 1
  • 7
  • 8
  • 10
TopValue
90
HiddenCells
  • {"r":3,"c":2,"v":15}
  • {"r":1,"c":1,"v":56}
  • {"r":4,"c":4,"v":10}
  • {"r":0,"c":0,"v":90}
  • {"r":4,"c":0,"v":2}
  • {"r":4,"c":2,"v":7}
  • {"r":3,"c":0,"v":3}
  • {"r":4,"c":3,"v":8}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [90] → [41, 49] → [20, 21, _] → [_, _, 11, _] → [_, _, _, 10, _]

Show answer

Answer: Row3[3]=28, Row5[5]=7, Row4[2]=10, Row5[3]=1, Row4[4]=17, Row4[1]=10, Row5[1]=1, Row5[2]=9

SubType
number-pyramid
Difficulty
hard
Levels
  • [90]
  • [41,49]
  • [20,21,28]
  • [10,10,11,17]
  • [1,9,1,10,7]
Base
  • 1
  • 9
  • 1
  • 10
  • 7
TopValue
90
HiddenCells
  • {"r":2,"c":2,"v":28}
  • {"r":4,"c":4,"v":7}
  • {"r":3,"c":1,"v":10}
  • {"r":4,"c":2,"v":1}
  • {"r":3,"c":3,"v":17}
  • {"r":3,"c":0,"v":10}
  • {"r":4,"c":0,"v":1}
  • {"r":4,"c":1,"v":9}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [85] → [40, 45] → [21, _, _] → [_, _, _, _] → [7, 5, _, _, 10]

Show answer

Answer: Row4[3]=10, Row4[1]=12, Row3[3]=26, Row4[4]=16, Row5[4]=6, Row3[2]=19, Row4[2]=9, Row5[3]=4

SubType
number-pyramid
Difficulty
hard
Levels
  • [85]
  • [40,45]
  • [21,19,26]
  • [12,9,10,16]
  • [7,5,4,6,10]
Base
  • 7
  • 5
  • 4
  • 6
  • 10
TopValue
85
HiddenCells
  • {"r":3,"c":2,"v":10}
  • {"r":3,"c":0,"v":12}
  • {"r":2,"c":2,"v":26}
  • {"r":3,"c":3,"v":16}
  • {"r":4,"c":3,"v":6}
  • {"r":2,"c":1,"v":19}
  • {"r":3,"c":1,"v":9}
  • {"r":4,"c":2,"v":4}