hard Set 71 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [46, _] → [_, 19, 12] → [_, _, 6, _] → [_, 10, 3, 3, _]

Show answer

Answer: Row4[1]=14, Row5[5]=3, Row2[2]=31, Row5[1]=4, Row1[1]=77, Row4[4]=6, Row3[1]=27, Row4[2]=13

SubType
number-pyramid
Difficulty
hard
Levels
  • [77]
  • [46,31]
  • [27,19,12]
  • [14,13,6,6]
  • [4,10,3,3,3]
Base
  • 4
  • 10
  • 3
  • 3
  • 3
TopValue
77
HiddenCells
  • {"r":3,"c":0,"v":14}
  • {"r":4,"c":4,"v":3}
  • {"r":1,"c":1,"v":31}
  • {"r":4,"c":0,"v":4}
  • {"r":0,"c":0,"v":77}
  • {"r":3,"c":3,"v":6}
  • {"r":2,"c":0,"v":27}
  • {"r":3,"c":1,"v":13}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, 40] → [17, _, _] → [_, 8, 9, _] → [5, 4, 4, _, _]

Show answer

Answer: Row1[1]=74, Row2[1]=34, Row4[1]=9, Row4[4]=14, Row5[4]=5, Row3[3]=23, Row3[2]=17, Row5[5]=9

SubType
number-pyramid
Difficulty
hard
Levels
  • [74]
  • [34,40]
  • [17,17,23]
  • [9,8,9,14]
  • [5,4,4,5,9]
Base
  • 5
  • 4
  • 4
  • 5
  • 9
TopValue
74
HiddenCells
  • {"r":0,"c":0,"v":74}
  • {"r":1,"c":0,"v":34}
  • {"r":3,"c":0,"v":9}
  • {"r":3,"c":3,"v":14}
  • {"r":4,"c":3,"v":5}
  • {"r":2,"c":2,"v":23}
  • {"r":2,"c":1,"v":17}
  • {"r":4,"c":4,"v":9}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [102] → [_, _] → [_, 25, _] → [_, 11, 14, 13] → [_, _, 7, 7, _]

Show answer

Answer: Row2[1]=50, Row5[1]=10, Row4[1]=14, Row3[1]=25, Row5[5]=6, Row2[2]=52, Row5[2]=4, Row3[3]=27

SubType
number-pyramid
Difficulty
hard
Levels
  • [102]
  • [50,52]
  • [25,25,27]
  • [14,11,14,13]
  • [10,4,7,7,6]
Base
  • 10
  • 4
  • 7
  • 7
  • 6
TopValue
102
HiddenCells
  • {"r":1,"c":0,"v":50}
  • {"r":4,"c":0,"v":10}
  • {"r":3,"c":0,"v":14}
  • {"r":2,"c":0,"v":25}
  • {"r":4,"c":4,"v":6}
  • {"r":1,"c":1,"v":52}
  • {"r":4,"c":1,"v":4}
  • {"r":2,"c":2,"v":27}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [107] → [_, 52] → [30, _, 27] → [_, 12, _, _] → [9, _, _, _, 4]

Show answer

Answer: Row3[2]=25, Row4[3]=13, Row5[2]=9, Row4[1]=18, Row4[4]=14, Row5[4]=10, Row5[3]=3, Row2[1]=55

SubType
number-pyramid
Difficulty
hard
Levels
  • [107]
  • [55,52]
  • [30,25,27]
  • [18,12,13,14]
  • [9,9,3,10,4]
Base
  • 9
  • 9
  • 3
  • 10
  • 4
TopValue
107
HiddenCells
  • {"r":2,"c":1,"v":25}
  • {"r":3,"c":2,"v":13}
  • {"r":4,"c":1,"v":9}
  • {"r":3,"c":0,"v":18}
  • {"r":3,"c":3,"v":14}
  • {"r":4,"c":3,"v":10}
  • {"r":4,"c":2,"v":3}
  • {"r":1,"c":0,"v":55}