hard Set 79 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [93] → [_, 41] → [26, 26, 15] → [10, _, _, _] → [_, _, _, 1, _]

Show answer

Answer: Row4[3]=10, Row5[3]=9, Row5[1]=3, Row4[4]=5, Row4[2]=16, Row2[1]=52, Row5[2]=7, Row5[5]=4

SubType
number-pyramid
Difficulty
hard
Levels
  • [93]
  • [52,41]
  • [26,26,15]
  • [10,16,10,5]
  • [3,7,9,1,4]
Base
  • 3
  • 7
  • 9
  • 1
  • 4
TopValue
93
HiddenCells
  • {"r":3,"c":2,"v":10}
  • {"r":4,"c":2,"v":9}
  • {"r":4,"c":0,"v":3}
  • {"r":3,"c":3,"v":5}
  • {"r":3,"c":1,"v":16}
  • {"r":1,"c":0,"v":52}
  • {"r":4,"c":1,"v":7}
  • {"r":4,"c":4,"v":4}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [28, _] → [_, _, 12] → [9, _, 7, _] → [6, _, 3, 4, _]

Show answer

Answer: Row1[1]=53, Row4[4]=5, Row5[2]=3, Row5[5]=1, Row2[2]=25, Row4[2]=6, Row3[1]=15, Row3[2]=13

SubType
number-pyramid
Difficulty
hard
Levels
  • [53]
  • [28,25]
  • [15,13,12]
  • [9,6,7,5]
  • [6,3,3,4,1]
Base
  • 6
  • 3
  • 3
  • 4
  • 1
TopValue
53
HiddenCells
  • {"r":0,"c":0,"v":53}
  • {"r":3,"c":3,"v":5}
  • {"r":4,"c":1,"v":3}
  • {"r":4,"c":4,"v":1}
  • {"r":1,"c":1,"v":25}
  • {"r":3,"c":1,"v":6}
  • {"r":2,"c":0,"v":15}
  • {"r":2,"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): [66] → [_, _] → [22, 15, _] → [11, _, _, 10] → [1, 10, _, _, _]

Show answer

Answer: Row4[3]=4, Row5[4]=3, Row2[2]=29, Row5[3]=1, Row2[1]=37, Row4[2]=11, Row3[3]=14, Row5[5]=7

SubType
number-pyramid
Difficulty
hard
Levels
  • [66]
  • [37,29]
  • [22,15,14]
  • [11,11,4,10]
  • [1,10,1,3,7]
Base
  • 1
  • 10
  • 1
  • 3
  • 7
TopValue
66
HiddenCells
  • {"r":3,"c":2,"v":4}
  • {"r":4,"c":3,"v":3}
  • {"r":1,"c":1,"v":29}
  • {"r":4,"c":2,"v":1}
  • {"r":1,"c":0,"v":37}
  • {"r":3,"c":1,"v":11}
  • {"r":2,"c":2,"v":14}
  • {"r":4,"c":4,"v":7}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [68, _] → [33, 35, _] → [_, _, 18, _] → [_, 9, 8, _, 7]

Show answer

Answer: Row1[1]=138, Row4[4]=17, Row4[1]=16, Row5[1]=7, Row5[4]=10, Row2[2]=70, Row4[2]=17, Row3[3]=35

SubType
number-pyramid
Difficulty
hard
Levels
  • [138]
  • [68,70]
  • [33,35,35]
  • [16,17,18,17]
  • [7,9,8,10,7]
Base
  • 7
  • 9
  • 8
  • 10
  • 7
TopValue
138
HiddenCells
  • {"r":0,"c":0,"v":138}
  • {"r":3,"c":3,"v":17}
  • {"r":3,"c":0,"v":16}
  • {"r":4,"c":0,"v":7}
  • {"r":4,"c":3,"v":10}
  • {"r":1,"c":1,"v":70}
  • {"r":3,"c":1,"v":17}
  • {"r":2,"c":2,"v":35}