hard Set 76 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [47, 31] → [28, 19, _] → [16, _, _, _] → [_, _, _, 4, 1]

Show answer

Answer: Row5[1]=7, Row4[2]=12, Row3[3]=12, Row1[1]=78, Row4[4]=5, Row4[3]=7, Row5[2]=9, Row5[3]=3

SubType
number-pyramid
Difficulty
hard
Levels
  • [78]
  • [47,31]
  • [28,19,12]
  • [16,12,7,5]
  • [7,9,3,4,1]
Base
  • 7
  • 9
  • 3
  • 4
  • 1
TopValue
78
HiddenCells
  • {"r":4,"c":0,"v":7}
  • {"r":3,"c":1,"v":12}
  • {"r":2,"c":2,"v":12}
  • {"r":0,"c":0,"v":78}
  • {"r":3,"c":3,"v":5}
  • {"r":3,"c":2,"v":7}
  • {"r":4,"c":1,"v":9}
  • {"r":4,"c":2,"v":3}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [_, _] → [_, 14, 27] → [10, 5, _, 18] → [_, 4, _, 8, _]

Show answer

Answer: Row2[2]=41, Row5[1]=6, Row5[3]=1, Row5[5]=10, Row1[1]=70, Row4[3]=9, Row2[1]=29, Row3[1]=15

SubType
number-pyramid
Difficulty
hard
Levels
  • [70]
  • [29,41]
  • [15,14,27]
  • [10,5,9,18]
  • [6,4,1,8,10]
Base
  • 6
  • 4
  • 1
  • 8
  • 10
TopValue
70
HiddenCells
  • {"r":1,"c":1,"v":41}
  • {"r":4,"c":0,"v":6}
  • {"r":4,"c":2,"v":1}
  • {"r":4,"c":4,"v":10}
  • {"r":0,"c":0,"v":70}
  • {"r":3,"c":2,"v":9}
  • {"r":1,"c":0,"v":29}
  • {"r":2,"c":0,"v":15}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [102] → [_, _] → [25, _, _] → [_, 17, _, _] → [_, 7, 10, 3, 1]

Show answer

Answer: Row4[1]=8, Row5[1]=1, Row3[2]=30, Row4[3]=13, Row2[2]=47, Row3[3]=17, Row4[4]=4, Row2[1]=55

SubType
number-pyramid
Difficulty
hard
Levels
  • [102]
  • [55,47]
  • [25,30,17]
  • [8,17,13,4]
  • [1,7,10,3,1]
Base
  • 1
  • 7
  • 10
  • 3
  • 1
TopValue
102
HiddenCells
  • {"r":3,"c":0,"v":8}
  • {"r":4,"c":0,"v":1}
  • {"r":2,"c":1,"v":30}
  • {"r":3,"c":2,"v":13}
  • {"r":1,"c":1,"v":47}
  • {"r":2,"c":2,"v":17}
  • {"r":3,"c":3,"v":4}
  • {"r":1,"c":0,"v":55}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [116] → [57, _] → [_, _, 30] → [_, _, _, _] → [5, 9, 5, 10, _]

Show answer

Answer: Row3[2]=29, Row4[2]=14, Row4[3]=15, Row3[1]=28, Row4[1]=14, Row4[4]=15, Row5[5]=5, Row2[2]=59

SubType
number-pyramid
Difficulty
hard
Levels
  • [116]
  • [57,59]
  • [28,29,30]
  • [14,14,15,15]
  • [5,9,5,10,5]
Base
  • 5
  • 9
  • 5
  • 10
  • 5
TopValue
116
HiddenCells
  • {"r":2,"c":1,"v":29}
  • {"r":3,"c":1,"v":14}
  • {"r":3,"c":2,"v":15}
  • {"r":2,"c":0,"v":28}
  • {"r":3,"c":0,"v":14}
  • {"r":3,"c":3,"v":15}
  • {"r":4,"c":4,"v":5}
  • {"r":1,"c":1,"v":59}